aidl/fingerprint: utilize MaxPerformance task_profile

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>

.clang-format

@@ -1 +0,0 @@
-../../build/soong/scripts/system-clang-format

.clang-format

@@ -0,0 +1,13 @@
+BasedOnStyle: Google
+Standard: Cpp11
+AccessModifierOffset: -2
+AllowShortFunctionsOnASingleLine: Inline
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+DerivePointerAlignment: false
+IncludeBlocks: Preserve
+IndentWidth: 4
+ContinuationIndentWidth: 8
+PointerAlignment: Left
+TabWidth: 4
+UseTab: Never

.github/workflows/build/action.yml

@@ -0,0 +1,13 @@
+name: build
+
+runs:
+    using: composite
+
+    steps:
+    - name: Install dependencies
+      shell: bash
+      run: pip install pre-commit
+
+    - name: Lint
+      shell: bash
+      run: pre-commit run --all

.github/workflows/gerrit.yml

@@ -0,0 +1,38 @@
+name: gerrit checks
+
+on:
+  workflow_dispatch:
+    inputs:
+      ref:
+        type: string
+      gerrit-ref:
+        type: string
+      change:
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: lineageos-infra/fetch-gerrit-change@main
+      with:
+        gerrit-ref: ${{ inputs.gerrit-ref }}
+        ref: ${{ inputs.ref }}
+
+    - name: Check if build/action.yml exists
+      id: check
+      run: |
+        if [ -f ./.github/workflows/build/action.yml ]; then
+          echo "run=1" >> "$GITHUB_OUTPUT"
+        fi
+
+    - name: Build
+      if: ${{ steps.check.outputs.run }}
+      uses: ./.github/workflows/build
+
+    - uses: lineageos-infra/gerrit-vote@main
+      if: ${{ steps.check.outputs.run && always() }}
+      with:
+        auth: ${{ secrets.GERRIT_VOTE_CREDS }}
+        change: ${{ inputs.change }}
+        ref: ${{ inputs.ref }}

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+  - repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: v21.1.8
+    hooks:
+      - id: clang-format
+        types_or: [c, c++]
+  - repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+    rev: v2.15.0
+    hooks:
+      - id: pretty-format-kotlin
+        args: [--autofix, --ktfmt, --ktfmt-style=kotlinlang]

DSPVolumeSynchronizer/Android.bp

@@ -0,0 +1,48 @@
+//
+// Copyright (C) 2024-2025 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+android_app {
+    name: "DSPVolumeSynchronizer",
+    certificate: "platform",
+    srcs: ["src/**/*.java"],
+    platform_apis: true,
+    privileged: true,
+    system_ext_specific: true,
+    static_libs: [
+        "androidx.core_core",
+        "SettingsLib",
+    ],
+
+    required: [
+        "privapp-permissions-dspvolume",
+        "config-dspvolume",
+        "preinstalled-packages-platform-dspvolume",
+    ],
+}
+
+prebuilt_etc {
+    name: "privapp-permissions-dspvolume",
+    relative_install_path: "permissions",
+    src: "privapp-permissions-dspvolume.xml",
+    system_ext_specific: true,
+    filename_from_src: true,
+}
+
+prebuilt_etc {
+    name: "config-dspvolume",
+    relative_install_path: "sysconfig",
+    src: "config-dspvolume.xml",
+    system_ext_specific: true,
+    filename_from_src: true,
+}
+
+prebuilt_etc {
+    name: "preinstalled-packages-platform-dspvolume",
+    relative_install_path: "sysconfig",
+    src: "preinstalled-packages-platform-dspvolume.xml",
+    system_ext_specific: true,
+    filename_from_src: true,
+}

DSPVolumeSynchronizer/AndroidManifest.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.lineageos.dspvolume.xiaomi"
+    android:versionCode="1"
+    android:versionName="1.0"
+    android:sharedUserId="android.uid.system">
+
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+
+    <application
+        android:label="@string/app_name"
+        android:persistent="true"
+        android:defaultToDeviceProtectedStorage="true"
+        android:directBootAware="true">
+
+        <receiver
+            android:name=".BootReceiver"
+            android:exported="true"
+            android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
+            <intent-filter android:priority="999">
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </receiver>
+
+        <service
+            android:name=".VolumeListenerService" />
+    </application>
+</manifest>
+

DSPVolumeSynchronizer/config-dspvolume.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<config>
+    <allow-in-power-save package="org.lineageos.dspvolume.xiaomi" />
+    <hidden-api-whitelisted-app package="org.lineageos.dspvolume.xiaomi" />
+</config>

DSPVolumeSynchronizer/preinstalled-packages-platform-dspvolume.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2025 crDroid Android Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<config>
+
+    <!-- Dolby -->
+    <install-in-user-type package="org.lineageos.dspvolume.xiaomi">
+        <install-in user-type="FULL" />
+        <install-in user-type="PROFILE" />
+        <do-not-install-in user-type="android.os.usertype.profile.CLONE" />
+        <do-not-install-in user-type="android.os.usertype.profile.PRIVATE" />
+    </install-in-user-type>
+</config>

DSPVolumeSynchronizer/privapp-permissions-dspvolume.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<permissions>
+    <privapp-permissions package="org.lineageos.dspvolume.xiaomi">
+        <permission name="android.permission.INTERACT_ACROSS_USERS" />
+        <permission name="android.permission.INTERACT_ACROSS_USERS_FULL" />
+        <permission name="android.permission.MODIFY_AUDIO_SETTINGS" />
+        <permission name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    </privapp-permissions>
+</permissions>

DSPVolumeSynchronizer/res/values/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- App Name -->
+    <string name="app_name">DSP Volume Synchronizer</string>
+</resources>

DSPVolumeSynchronizer/src/org/lineageos/dspvolume/xiaomi/BootReceiver.java

@@ -0,0 +1,16 @@
+package org.lineageos.dspvolume.xiaomi;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+
+public class BootReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(final Context context, Intent intent) {
+        if (context == null) {
+            return;
+        }
+        context.startService(new Intent(context, VolumeListenerService.class));
+    }
+}

DSPVolumeSynchronizer/src/org/lineageos/dspvolume/xiaomi/VolumeListenerReceiver.java

@@ -0,0 +1,28 @@
+package org.lineageos.dspvolume.xiaomi;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.media.AudioManager;
+import android.util.Log;
+
+import android.os.Bundle;
+
+public class VolumeListenerReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (context == null) {
+            return;
+        }
+
+        if(intent.getIntExtra("android.media.EXTRA_VOLUME_STREAM_TYPE", 0) == AudioManager.STREAM_MUSIC) {
+            AudioManager audioManager = context.getSystemService(AudioManager.class);
+            int current = intent.getIntExtra(
+                            "android.media.EXTRA_VOLUME_STREAM_VALUE",
+                            0
+                          );
+            audioManager.setParameters("volume_change=" + current + ";flags=8");
+        }
+    }
+}

DSPVolumeSynchronizer/src/org/lineageos/dspvolume/xiaomi/VolumeListenerService.java

@@ -0,0 +1,30 @@
+package org.lineageos.dspvolume.xiaomi;
+
+import android.app.Service;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.media.AudioManager;
+import android.os.IBinder;
+
+import androidx.annotation.Nullable;
+
+public class VolumeListenerService extends Service {
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction("android.media.VOLUME_CHANGED_ACTION");
+        registerReceiver(new VolumeListenerReceiver(), intentFilter);
+
+        AudioManager audioManager = getSystemService(AudioManager.class);
+        int current = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
+        audioManager.setParameters("volume_change=" + current + ";flags=8");
+
+        return super.onStartCommand(intent, flags, startId);
+    }
+}

IFAAService/src/org/ifaa/aidl/manager/IfaaService.kt

@@ -1,183 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022-2024 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package org.ifaa.aidl.manager
-
-import android.app.Service
-import android.content.Intent
-import android.os.Build
-import android.os.IHwBinder
-import android.os.SystemProperties
-import android.provider.Settings
-import android.util.Log
-import org.ifaa.aidl.manager.IfaaManagerService
-import org.json.JSONObject
-import vendor.xiaomi.hardware.mlipay.V1_1.IMlipayService
-
-class IfaaService : Service() {
-    private var _mlipayService: IMlipayService? = null
-
-    private val mlipayServiceDeathRecipient = IHwBinder.DeathRecipient {
-        Log.i(LOG_TAG, "mlipay service died")
-        _mlipayService = null
-    }
-
-    private val mBinder = object : IfaaManagerService.Stub() {
-        override fun getSupportBIOTypes(): Int {
-            val fpVendor = SystemProperties.get(FP_VENDOR_PROP, "")
-            val isUdfps = SystemProperties.getBoolean(IS_UDFPS_PROP, false)
-
-            val supportedBioMask = when (!invalidFpVendors.contains(fpVendor.lowercase())) {
-                true -> AUTH_TYPE_FINGERPRINT or AUTH_TYPE_IRIS
-                else -> AUTH_TYPE_IRIS
-            }
-
-            val ifaaProp = SystemProperties.getInt(
-                SUPPORTED_BIO_MASK_PROP, 0
-            ) and supportedBioMask or when (isUdfps) {
-                true -> AUTH_TYPE_OPTICAL_FINGERPRINT
-                else -> 0
-            }
-
-            return ifaaProp
-        }
-
-        override fun startBIOManager(authType: Int) = when (authType) {
-            AUTH_TYPE_FINGERPRINT -> {
-                val intent = Intent(Settings.ACTION_SECURITY_SETTINGS).apply {
-                    addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                }
-
-                applicationContext.startActivity(intent)
-
-                COMMAND_OK
-            }
-
-            else -> COMMAND_FAIL
-        }
-
-        override fun getDeviceModel() = "${Build.MANUFACTURER}-${Build.DEVICE}"
-
-        override fun processCmd(param: ByteArray) = getMlipayService()?.let { mlipayService ->
-            var receiveBuffer: ByteArray? = null
-
-            val paramByteArray = ArrayList<Byte>().apply {
-                for (byte in param) {
-                    add(byte)
-                }
-            }
-
-            try {
-                val receiveBufferByteArray = mlipayService.invoke_command(
-                    paramByteArray, paramByteArray.size
-                )
-
-                receiveBuffer = receiveBufferByteArray.toByteArray()
-            } catch (e: Exception) {
-                Log.e(LOG_TAG, "processCmdImpl: mlipay invoke_command failed", e)
-            }
-
-            receiveBuffer
-        }
-
-        override fun getVersion() = 4
-
-        override fun getExtInfo(authType: Int, keyExtInfo: String) = initExtString()
-
-        override fun setExtInfo(authType: Int, keyExtInfo: String, valExtInfo: String) {
-            // Do nothing
-        }
-
-        override fun getEnabled(bioType: Int) = when (bioType) {
-            AUTH_TYPE_FINGERPRINT -> BIOMETRICS_AVAILABLE
-            else -> SCREEN_LOCK_NONE
-        }
-
-        override fun getIDList(bioType: Int): IntArray {
-            var idList = IntArray(0)
-
-            getMlipayService()?.let { mlipayService ->
-                try {
-                    val idListAL = mlipayService.ifaa_get_idlist(bioType)
-
-                    idList = idListAL.toIntArray()
-                } catch (e: Exception) {
-                    Log.e(LOG_TAG, "getIDListImpl: mlipay ifaa_get_idlist failed", e)
-                }
-            }
-
-            return idList
-        }
-    }
-
-    override fun onBind(intent: Intent) = mBinder
-
-    private fun getMlipayService() = _mlipayService ?: runCatching {
-        IMlipayService.getService(true)
-    }.onSuccess {
-        _mlipayService = it
-        it.linkToDeath(mlipayServiceDeathRecipient, 0)
-    }.getOrNull()
-
-    private fun initExtString(): String {
-        val obj = JSONObject()
-        val keyInfo = JSONObject()
-
-        val xy = SystemProperties.get(UDFPS_LOCATION_X_Y_PROP, "")
-        val wh = SystemProperties.get(UDFPS_SIZE_W_H_PROP, "")
-
-        try {
-            if (!validateVal(xy) || !validateVal(wh)) {
-                Log.e(LOG_TAG, "initExtString: invalidate, xy: $xy, wh: $wh")
-                return ""
-            }
-
-            val split = xy.split(",")
-            val split2 = wh.split(",")
-
-            keyInfo.put("startX", split[0].toInt())
-            keyInfo.put("startY", split[1].toInt())
-            keyInfo.put("width", split2[0].toInt())
-            keyInfo.put("height", split2[1].toInt())
-            keyInfo.put("navConflict", true)
-
-            obj.put("type", 0)
-            obj.put("fullView", keyInfo)
-
-            return obj.toString()
-        } catch (e: Exception) {
-            Log.e(LOG_TAG, "initExtString: Exception, xy: $xy, wh: $wh", e)
-            return ""
-        }
-    }
-
-    private fun validateVal(str: String) = !"".equals(str, ignoreCase = true) && str.contains(",")
-
-    companion object {
-        private val LOG_TAG = IfaaService::class.simpleName!!
-
-        private const val AUTH_TYPE_NOT_SUPPORT = 0
-        private const val AUTH_TYPE_FINGERPRINT = 1
-        private const val AUTH_TYPE_IRIS = 1.shl(1)
-        private const val AUTH_TYPE_OPTICAL_FINGERPRINT = 1.shl(2)
-
-        private const val BIOMETRICS_AVAILABLE = 1000
-        private const val SCREEN_LOCK_NONE = 1003
-
-        private const val COMMAND_OK = 0
-        private const val COMMAND_FAIL = -1
-
-        private const val SUPPORTED_BIO_MASK_PROP = "persist.vendor.sys.pay.ifaa"
-        private const val FP_VENDOR_PROP = "persist.vendor.sys.fp.vendor"
-        private const val IS_UDFPS_PROP = "ro.hardware.fp.udfps"
-        private const val UDFPS_LOCATION_X_Y_PROP = "persist.vendor.sys.fp.udfps.location.X_Y"
-        private const val UDFPS_SIZE_W_H_PROP = "persist.vendor.sys.fp.udfps.size.width_height"
-
-        private val invalidFpVendors = arrayOf(
-            "",
-            "none",
-        )
-    }
-}

README.md

@@ -0,0 +1,10 @@
+# hardware/xiaomi
+
+## Soong options
+
+| Namespace | Variable | Description | Default |
+| --------- | -------- | ----------- | ------- |
+| XIAOMI_BIOMETRICS_FINGERPRINT | RUN_32BIT | Opt to run service in 32-bit mode only | false |
+| XIAOMI_TOUCH | HIGH_TOUCH_POLLING_PATH | HighTouchPollingRate feature control path | |
+| XIAOMI_TOUCH | KEY_DISABLER_CONTROL_PATH | KeyDisabler feature control path | |
+| XIAOMI_TOUCH | KEY_SWAPPER_CONTROL_PATH | KeySwapper feature control path | |

aidl/fingerprint/Android.bp

@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2024 The LineageOS Project
+// Copyright (C) 2024-2025 The LineageOS Project
 //               2024 Paranoid Android
 //
 // SPDX-License-Identifier: Apache-2.0
@@ -8,9 +8,9 @@
 soong_config_module_type {
     name: "xiaomi_hardware_biometrics_config_default",
     module_type: "cc_defaults",
-    config_namespace: "xiaomi_hardware_biometrics",
+    config_namespace: "XIAOMI_BIOMETRICS_FINGERPRINT",
     bool_variables: [
-        "run_32bit",
+        "RUN_32BIT",
     ],
     properties: ["compile_multilib"],
 }
@@ -19,7 +19,7 @@ xiaomi_hardware_biometrics_config_default {
     name: "xiaomi_hardware_biometrics_config_default",
 
     soong_config_variables: {
-        run_32bit: {
+        RUN_32BIT: {
             conditions_default: {
                 compile_multilib: "64",
             },

aidl/fingerprint/Fingerprint.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2024 The LineageOS Project
+ * Copyright (C) 2024-2025 The LineageOS Project
  *               2024 Paranoid Android
  *
  * SPDX-License-Identifier: Apache-2.0
@@ -12,8 +12,11 @@
 #include "util/Util.h"
 
 #include <android-base/logging.h>
+#include <android-base/properties.h>
 #include <android-base/strings.h>
 
+using ::android::base::SetProperty;
+
 namespace aidl::android::hardware::biometrics::fingerprint {
 
 namespace {
@@ -67,15 +70,19 @@ Fingerprint::Fingerprint(std::shared_ptr<FingerprintConfig> config) : mConfig(st
             }
             ALOGI("Opened fingerprint HAL, class: %s, module_id: %s", class_name.c_str(),
                   class_module_id.c_str());
+            SetProperty("persist.vendor.sys.fp.vendor", class_name);
             break;
         }
         if (!mDevice) {
             ALOGE("Can't open any fingerprint HAL module");
+            SetProperty("persist.vendor.sys.fp.vendor", "none");
         }
     }
 
     std::string sensorTypeProp = mConfig->get<std::string>("type");
     if (sensorTypeProp == "udfps" || sensorTypeProp == "udfps_optical") {
+        SetProperty("ro.hardware.fp.udfps", "true");
+
         if (sensorTypeProp == "udfps") {
             mSensorType = FingerprintSensorType::UNDER_DISPLAY_ULTRASONIC;
         } else {

aidl/fingerprint/Session.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2024 The LineageOS Project
+ * Copyright (C) 2024-2025 The LineageOS Project
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -364,9 +364,15 @@ void Session::notify(const fingerprint_msg_t* msg) {
                 HardwareAuthToken authToken;
                 translate(hat, authToken);
 
+                if (mUdfpsHandler) {
+                    mUdfpsHandler->onAuthenticationSucceeded();
+                }
                 mCb->onAuthenticationSucceeded(msg->data.authenticated.finger.fid, authToken);
                 mLockoutTracker.reset(true);
             } else {
+                if (mUdfpsHandler) {
+                    mUdfpsHandler->onAuthenticationFailed();
+                }
                 mCb->onAuthenticationFailed();
                 mLockoutTracker.addFailedAttempt();
                 checkSensorLockout();

aidl/fingerprint/android.hardware.biometrics.fingerprint-service.xiaomi.rc

@@ -5,4 +5,6 @@ service vendor.fingerprint-default /vendor/bin/hw/android.hardware.biometrics.fi
     class late_start
     user system
     group system input uhid
+    capabilities SYS_NICE
     shutdown critical
+    task_profiles ProcessCapacityHigh MaxPerformance

aidl/health/Android.bp

@@ -0,0 +1,48 @@
+cc_defaults {
+    name: "android.hardware.health-service.xiaomi-defaults",
+    relative_install_path: "hw",
+    vintf_fragments: ["android.hardware.health-service.xiaomi.xml"],
+    vendor: true,
+    recovery_available: true,
+
+    defaults: [
+        "libhealth_aidl_impl_user",
+    ],
+
+    include_dirs: [
+        "system/core/healthd",
+        "system/core/healthd/include",
+        "system/core/healthd/include_charger"
+    ],
+
+    static_libs: [
+        "libhealth_aidl_impl",
+    ],
+
+    srcs: [
+        "main.cpp",
+    ],
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+}
+
+cc_binary {
+    name: "android.hardware.health-service.xiaomi",
+    recovery: false,
+    vendor: true,
+    defaults: ["android.hardware.health-service.xiaomi-defaults"],
+    init_rc: ["android.hardware.health-service.xiaomi.rc"],
+    overrides: ["charger","android.hardware.health-service.qti"],
+}
+
+cc_binary {
+    name: "android.hardware.health-service.xiaomi_recovery",
+    vendor: false,
+    recovery: true,
+    defaults: ["android.hardware.health-service.xiaomi-defaults"],
+    init_rc: ["android.hardware.health-service.xiaomi_recovery.rc"],
+    overrides: ["charger.recovery", "android.hardware.health-service.qti_recovery"],
+}

aidl/health/android.hardware.health-service.xiaomi.rc

@@ -0,0 +1,14 @@
+service vendor.health-default /vendor/bin/hw/android.hardware.health-service.xiaomi
+    class hal
+    user system
+    group system
+    capabilities WAKE_ALARM BLOCK_SUSPEND
+    file /dev/kmsg w
+
+service vendor.charger /vendor/bin/hw/android.hardware.health-service.xiaomi --charger
+    class charger
+    seclabel u:r:charger_vendor:s0
+    user system
+    group system wakelock input graphics
+    capabilities SYS_BOOT WAKE_ALARM BLOCK_SUSPEND
+    file /dev/kmsg w

aidl/health/android.hardware.health-service.xiaomi.xml

@@ -0,0 +1,12 @@
+<!--
+  Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+  SPDX-License-Identifier: BSD-3-Clause-Clear
+-->
+
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.health</name>
+        <version>3</version>
+        <fqname>IHealth/default</fqname>
+    </hal>
+</manifest>

aidl/health/android.hardware.health-service.xiaomi_recovery.rc

@@ -0,0 +1,7 @@
+service vendor.health-recovery /system/bin/hw/android.hardware.health-service.xiaomi_recovery
+    class hal
+    seclabel u:r:hal_health_default:s0
+    user system
+    group system
+    capabilities WAKE_ALARM BLOCK_SUSPEND
+    file /dev/kmsg w

aidl/health/main.cpp

@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+ */
+
+#define LOG_TAG "android.hardware.health-service.xiaomi"
+
+#include <android-base/logging.h>
+#include <android/binder_interface_utils.h>
+#include <health/utils.h>
+#include <health-impl/ChargerUtils.h>
+#include <health-impl/Health.h>
+#include <cutils/klog.h>
+
+using aidl::android::hardware::health::HalHealthLoop;
+using aidl::android::hardware::health::Health;
+
+#if !CHARGER_FORCE_NO_UI
+using aidl::android::hardware::health::charger::ChargerCallback;
+using aidl::android::hardware::health::charger::ChargerModeMain;
+namespace aidl::android::hardware::health {
+class ChargerCallbackImpl : public ChargerCallback {
+  public:
+    ChargerCallbackImpl(const std::shared_ptr<Health>& service) : ChargerCallback(service) {}
+    bool ChargerEnableSuspend() override { return true; }
+};
+} //namespace aidl::android::hardware::health
+#endif
+
+namespace aidl::android::hardware::health {
+static constexpr int kChargeCounterMultiplier = 1000; // mAh to uAh
+static constexpr int kChargeTimeToFullMultiplier = 60; // mins to secs
+class HealthImpl : public Health {
+ public:
+  using Health::Health;
+  virtual ~HealthImpl() {}
+  ndk::ScopedAStatus getChargeCounterUah(int32_t* out) override;
+ protected:
+  void UpdateHealthInfo(HealthInfo* health_info) override;
+};
+void HealthImpl::UpdateHealthInfo(HealthInfo* health_info) {
+  if (health_info->batteryChargeTimeToFullNowSeconds == 65535) {
+    health_info->batteryChargeTimeToFullNowSeconds = -1;
+  } else {
+    health_info->batteryChargeTimeToFullNowSeconds *= kChargeTimeToFullMultiplier;
+  }
+  health_info->batteryChargeCounterUah *= kChargeCounterMultiplier;
+}
+ndk::ScopedAStatus HealthImpl::getChargeCounterUah(int32_t* out) {
+  *out *= kChargeCounterMultiplier;
+  return ndk::ScopedAStatus::ok();
+}
+}  // namespace aidl::android::hardware::health
+
+static constexpr const char* gInstanceName = "default";
+static constexpr std::string_view gChargerArg{"--charger"};
+
+constexpr char ucsiPSYName[]{"ucsi-source-psy-soc:qcom,pmic_glink:qcom,ucsi1"};
+
+#define RETRY_COUNT    100
+
+void qti_healthd_board_init(struct healthd_config *hc)
+{
+    int fd;
+    unsigned char retries = RETRY_COUNT;
+    int ret = 0;
+    unsigned char buf;
+
+    hc->ignorePowerSupplyNames.push_back(android::String8(ucsiPSYName));
+retry:
+    if (!retries) {
+        KLOG_ERROR(LOG_TAG, "Cannot open battery/capacity, fd=%d\n", fd);
+        return;
+    }
+
+    fd = open("/sys/class/power_supply/battery/capacity", 0440);
+    if (fd >= 0) {
+        KLOG_INFO(LOG_TAG, "opened battery/capacity after %d retries\n", RETRY_COUNT - retries);
+        while (retries) {
+            ret = read(fd, &buf, 1);
+            if(ret >= 0) {
+                KLOG_INFO(LOG_TAG, "Read Batt Capacity after %d retries ret : %d\n", RETRY_COUNT - retries, ret);
+                close(fd);
+                return;
+            }
+
+            retries--;
+            usleep(100000);
+        }
+
+        KLOG_ERROR(LOG_TAG, "Failed to read Battery Capacity ret=%d\n", ret);
+        close(fd);
+        return;
+    }
+
+    retries--;
+    usleep(100000);
+    goto retry;
+}
+
+int main(int argc, char** argv) {
+#ifdef __ANDROID_RECOVERY__
+    android::base::InitLogging(argv, android::base::KernelLogger);
+#endif
+    auto config = std::make_unique<healthd_config>();
+    qti_healthd_board_init(config.get());
+    ::android::hardware::health::InitHealthdConfig(config.get());
+    auto binder = ndk::SharedRefBase::make<aidl::android::hardware::health::HealthImpl>(gInstanceName, std::move(config));
+
+    if (argc >= 2 && argv[1] == gChargerArg) {
+#if !CHARGER_FORCE_NO_UI
+        KLOG_INFO(LOG_TAG, "Starting charger mode with UI.");
+        auto charger_callback = std::make_shared<aidl::android::hardware::health::ChargerCallbackImpl>(binder);
+        return ChargerModeMain(binder, charger_callback);
+#endif
+        KLOG_INFO(LOG_TAG, "Starting charger mode without UI.");
+    } else {
+        KLOG_INFO(LOG_TAG, "Starting health HAL.");
+    }
+
+    auto hal_health_loop = std::make_shared<HalHealthLoop>(binder, binder);
+    return hal_health_loop->StartLoop();
+}

aidl/ir/Android.bp

@@ -1,21 +0,0 @@
-//
-// SPDX-FileCopyrightText: 2024 The LineageOS Project
-// SPDX-License-Identifier: Apache-2.0
-//
-
-cc_binary {
-    name: "android.hardware.ir-service.xiaomi",
-    relative_install_path: "hw",
-    vendor: true,
-    init_rc: ["android.hardware.ir-service.xiaomi.rc"],
-    vintf_fragments: ["android.hardware.ir-service.xiaomi.xml"],
-    srcs: [
-        "ConsumerIr.cpp",
-        "service.cpp",
-    ],
-    shared_libs: [
-        "libbase",
-        "libbinder_ndk",
-        "android.hardware.ir-V1-ndk",
-    ],
-}

aidl/ir/ConsumerIr.cpp

@@ -1,80 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2017-2024 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#define LOG_TAG "ConsumerIr"
-
-#include "ConsumerIr.h"
-
-#include <android-base/logging.h>
-#include <fcntl.h>
-#include <linux/lirc.h>
-#include <string>
-
-using std::vector;
-
-namespace aidl {
-namespace android {
-namespace hardware {
-namespace ir {
-
-static const std::string kIrDevice = "/dev/lirc0";
-
-static vector<ConsumerIrFreqRange> kRangeVec{
-        {.minHz = 30000, .maxHz = 60000},
-};
-
-::ndk::ScopedAStatus ConsumerIr::getCarrierFreqs(vector<ConsumerIrFreqRange>* _aidl_return) {
-    *_aidl_return = kRangeVec;
-
-    return ::ndk::ScopedAStatus::ok();
-}
-
-::ndk::ScopedAStatus ConsumerIr::transmit(int32_t carrierFreqHz, const vector<int32_t>& pattern) {
-    size_t entries = pattern.size();
-
-    if (entries == 0) {
-        return ::ndk::ScopedAStatus::ok();
-    }
-
-    int fd = open(kIrDevice.c_str(), O_RDWR);
-    if (fd < 0) {
-        LOG(ERROR) << "Failed to open " << kIrDevice << ", error " << fd;
-
-        return ::ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
-    }
-
-    int rc = ioctl(fd, LIRC_SET_SEND_CARRIER, &carrierFreqHz);
-    if (rc < 0) {
-        LOG(ERROR) << "Failed to set carrier " << carrierFreqHz << ", error: " << errno;
-
-        close(fd);
-
-        return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
-    }
-
-    if ((entries & 1) != 0) {
-        rc = write(fd, pattern.data(), entries * sizeof(int32_t));
-    } else {
-        rc = write(fd, pattern.data(), (entries - 1) * sizeof(int32_t));
-        usleep(pattern[entries - 1]);
-    }
-
-    if (rc < 0) {
-        LOG(ERROR) << "Failed to write pattern, " << entries << " entries, error: " << errno;
-
-        close(fd);
-
-        return ::ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
-    }
-
-    close(fd);
-
-    return ::ndk::ScopedAStatus::ok();
-}
-
-}  // namespace ir
-}  // namespace hardware
-}  // namespace android
-}  // namespace aidl

aidl/ir/ConsumerIr.h

@@ -1,27 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2024 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#pragma once
-
-#include <aidl/android/hardware/ir/BnConsumerIr.h>
-
-namespace aidl {
-namespace android {
-namespace hardware {
-namespace ir {
-
-class ConsumerIr : public BnConsumerIr {
-  public:
-    ::ndk::ScopedAStatus getCarrierFreqs(
-            ::std::vector<::aidl::android::hardware::ir::ConsumerIrFreqRange>* _aidl_return)
-            override;
-    ::ndk::ScopedAStatus transmit(int32_t carrierFreqHz,
-                                  const ::std::vector<int32_t>& pattern) override;
-};
-
-}  // namespace ir
-}  // namespace hardware
-}  // namespace android
-}  // namespace aidl

aidl/ir/android.hardware.ir-service.xiaomi.rc

@@ -1,14 +0,0 @@
-#
-# SPDX-FileCopyrightText: 2024 The LineageOS Project
-# SPDX-License-Identifier: Apache-2.0
-#
-
-on early-boot
-    # IR device
-    chown system system /dev/lirc0
-
-service vendor.ir-default /vendor/bin/hw/android.hardware.ir-service.xiaomi
-    class hal
-    user system
-    group system
-    shutdown critical

aidl/ir/android.hardware.ir-service.xiaomi.xml

@@ -1,11 +0,0 @@
-<!--
-    SPDX-FileCopyrightText: 2024 The LineageOS Project
-    SPDX-License-Identifier: Apache-2.0
--->
-<manifest version="1.0" type="device">
-    <hal format="aidl">
-        <name>android.hardware.ir</name>
-        <version>1</version>
-        <fqname>IConsumerIr/default</fqname>
-    </hal>
-</manifest>

aidl/ir/service.cpp

@@ -1,24 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2024 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include "ConsumerIr.h"
-
-#include <android-base/logging.h>
-#include <android/binder_manager.h>
-#include <android/binder_process.h>
-
-using aidl::android::hardware::ir::ConsumerIr;
-
-int main() {
-    ABinderProcess_setThreadPoolMaxThreadCount(0);
-    std::shared_ptr<ConsumerIr> hal = ::ndk::SharedRefBase::make<ConsumerIr>();
-
-    const std::string instance = std::string(ConsumerIr::descriptor) + "/default";
-    binder_status_t status = AServiceManager_addService(hal->asBinder().get(), instance.c_str());
-    CHECK_EQ(status, STATUS_OK);
-
-    ABinderProcess_joinThreadPool();
-    return EXIT_FAILURE;  // should not reach
-}

aidl/sensors/Android.bp

@@ -19,6 +19,12 @@ package {
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+vintf_fragment {
+    name: "android.hardware.sensors.xiaomi-multihal.xml",
+    src: "android.hardware.sensors.xiaomi-multihal.xml",
+    vendor: true,
+}
+
 cc_binary {
     name: "android.hardware.sensors-service.xiaomi-multihal",
     vendor: true,
@@ -33,12 +39,12 @@ cc_binary {
         "android.hardware.sensors@2.X-shared-utils",
     ],
     init_rc: ["android.hardware.sensors-service.xiaomi-multihal.rc"],
-    vintf_fragments: ["android.hardware.sensors.xiaomi-multihal.xml"],
+    vintf_fragment_modules: ["android.hardware.sensors.xiaomi-multihal.xml"],
     shared_libs: [
         "android.hardware.sensors@2.0-ScopedWakelock",
         "android.hardware.sensors@2.0",
         "android.hardware.sensors@2.1",
-        "android.hardware.sensors-V2-ndk",
+        "android.hardware.sensors-V3-ndk",
         "libbase",
         "libcutils",
         "libfmq",

aidl/sensors/HalProxy.cpp

@@ -147,9 +147,9 @@ Return<void> HalProxy::getSensorsList_2_1(ISensorsV2_1::getSensorsList_2_1_cb _h
 Return<void> HalProxy::getSensorsList(ISensorsV2_0::getSensorsList_cb _hidl_cb) {
     std::vector<V1_0::SensorInfo> sensors;
     for (const auto& iter : mSensors) {
-      if (iter.second.type != SensorType::HINGE_ANGLE) {
-        sensors.push_back(convertToOldSensorInfo(iter.second));
-      }
+        if (iter.second.type != SensorType::HINGE_ANGLE) {
+            sensors.push_back(convertToOldSensorInfo(iter.second));
+        }
     }
     _hidl_cb(sensors);
     return Void();
@@ -612,7 +612,8 @@ void HalProxy::handlePendingWrites() {
                         static_cast<uint32_t>(EventQueueFlagBits::EVENTS_READ),
                         static_cast<uint32_t>(EventQueueFlagBits::READ_AND_PROCESS),
                         kPendingWriteTimeoutNs, mEventQueueFlag)) {
-                ALOGE("Dropping %zu events after blockingWrite failed.", numToWrite);
+                ALOGE("Dropping %zu events after blockingWrite failed (is system_server running?).",
+                      numToWrite);
                 if (numWakeupEvents > 0) {
                     if (pendingWriteEvents.size() > eventQueueSize) {
                         decrementRefCountAndMaybeReleaseWakelock(
@@ -735,8 +736,7 @@ void HalProxy::decrementRefCountAndMaybeReleaseWakelock(size_t delta,
     if (!mThreadsRun.load()) return;
     std::lock_guard<std::recursive_mutex> lockGuard(mWakelockMutex);
     if (delta > mWakelockRefCount) {
-        ALOGE("Decrementing wakelock ref count by %zu when count is %zu",
-              delta, mWakelockRefCount);
+        ALOGE("Decrementing wakelock ref count by %zu when count is %zu", delta, mWakelockRefCount);
     }
     if (timeoutStart == -1) timeoutStart = mWakelockTimeoutResetTime;
     if (mWakelockRefCount == 0 || timeoutStart < mWakelockTimeoutResetTime) return;

aidl/sensors/HalProxyCallback.cpp

@@ -74,8 +74,7 @@ std::vector<V2_1::Event> HalProxyCallbackBase::processEvents(const std::vector<V
         }
         const V2_1::SensorInfo& sensor = mCallback->getSensorInfo(event.sensorHandle);
 
-        if (sensor.type == V2_1::SensorType::PICK_UP_GESTURE
-            && event.u.scalar != 1) {
+        if (sensor.type == V2_1::SensorType::PICK_UP_GESTURE && event.u.scalar != 1) {
             continue;
         }
 

aidl/sensors/android.hardware.sensors-service.xiaomi-multihal.rc

@@ -1,3 +1,6 @@
+on boot
+    setprop vendor.sensors.dynamic_sensor_op_timeout_ms 1600
+
 service vendor.sensors-hal-multihal /vendor/bin/hw/android.hardware.sensors-service.xiaomi-multihal
     class hal
     user system

aidl/sensors/android.hardware.sensors.xiaomi-multihal.xml

@@ -17,7 +17,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.sensors</name>
-        <version>2</version>
+        <version>3</version>
         <fqname>ISensors/default</fqname>
     </hal>
 </manifest>

aidl/touch/Android.bp

@@ -0,0 +1,48 @@
+//
+// SPDX-FileCopyrightText: 2025 The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+cc_binary {
+    name: "vendor.lineage.touch-service.xiaomi",
+    init_rc: ["vendor.lineage.touch-service.xiaomi.rc"],
+    vintf_fragments: select(soong_config_variable("XIAOMI_TOUCH", "HIGH_TOUCH_POLLING_PATH"), {
+        any: ["vendor.lineage.touch-service.xiaomi-htpr.xml"],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_DISABLER_CONTROL_PATH"), {
+        any: ["vendor.lineage.touch-service.xiaomi-kd.xml"],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_SWAPPER_CONTROL_PATH"), {
+        any: ["vendor.lineage.touch-service.xiaomi-ks.xml"],
+        default: [],
+    }),
+    relative_install_path: "hw",
+    proprietary: true,
+    cppflags: select(soong_config_variable("XIAOMI_TOUCH", "HIGH_TOUCH_POLLING_PATH"), {
+        any @ flag_val: ["-DHTPR_CONTROL_PATH=\"" + flag_val + "\""],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_DISABLER_CONTROL_PATH"), {
+        any @ flag_val: ["-DKD_CONTROL_PATH=\"" + flag_val + "\""],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_SWAPPER_CONTROL_PATH"), {
+        any @ flag_val: ["-DKS_CONTROL_PATH=\"" + flag_val + "\""],
+        default: [],
+    }),
+    srcs: select(soong_config_variable("XIAOMI_TOUCH", "HIGH_TOUCH_POLLING_PATH"), {
+        any: ["HighTouchPollingRate.cpp"],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_DISABLER_CONTROL_PATH"), {
+        any: ["KeyDisabler.cpp"],
+        default: [],
+    }) + select(soong_config_variable("XIAOMI_TOUCH", "KEY_SWAPPER_CONTROL_PATH"), {
+        any: ["KeySwapper.cpp"],
+        default: [],
+    }) + ["service.cpp"],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "libutils",
+        "vendor.lineage.touch-V1-ndk",
+    ],
+}

aidl/touch/HighTouchPollingRate.cpp

@@ -0,0 +1,46 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "vendor.lineage.touch-service.xiaomi"
+
+#include "HighTouchPollingRate.h"
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/strings.h>
+
+using ::android::base::ReadFileToString;
+using ::android::base::Trim;
+using ::android::base::WriteStringToFile;
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+ndk::ScopedAStatus HighTouchPollingRate::getEnabled(bool* _aidl_return) {
+    std::string buf;
+    if (!ReadFileToString(HTPR_CONTROL_PATH, &buf)) {
+        LOG(ERROR) << "Failed to read current HighTouchPollingRate state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    *_aidl_return = Trim(buf) == "1";
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus HighTouchPollingRate::setEnabled(bool enabled) {
+    if (!WriteStringToFile(enabled ? "1" : "0", HTPR_CONTROL_PATH)) {
+        LOG(ERROR) << "Failed to write HighTouchPollingRate state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/HighTouchPollingRate.h

@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <aidl/vendor/lineage/touch/BnHighTouchPollingRate.h>
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+class HighTouchPollingRate : public BnHighTouchPollingRate {
+  public:
+    ndk::ScopedAStatus getEnabled(bool* _aidl_return) override;
+    ndk::ScopedAStatus setEnabled(bool enabled) override;
+};
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/KeyDisabler.cpp

@@ -0,0 +1,46 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "vendor.lineage.touch-service.xiaomi"
+
+#include "KeyDisabler.h"
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/strings.h>
+
+using ::android::base::ReadFileToString;
+using ::android::base::Trim;
+using ::android::base::WriteStringToFile;
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+ndk::ScopedAStatus KeyDisabler::getEnabled(bool* _aidl_return) {
+    std::string buf;
+    if (!ReadFileToString(KD_CONTROL_PATH, &buf)) {
+        LOG(ERROR) << "Failed to read current KeyDisabler state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    *_aidl_return = Trim(buf) == "0";
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus KeyDisabler::setEnabled(bool enabled) {
+    if (!WriteStringToFile(enabled ? "0" : "1", KD_CONTROL_PATH, true)) {
+        LOG(ERROR) << "Failed to write KeyDisabler state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/KeyDisabler.h

@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <aidl/vendor/lineage/touch/BnKeyDisabler.h>
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+class KeyDisabler : public BnKeyDisabler {
+  public:
+    ndk::ScopedAStatus getEnabled(bool* _aidl_return) override;
+    ndk::ScopedAStatus setEnabled(bool enabled) override;
+};
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/KeySwapper.cpp

@@ -0,0 +1,46 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "vendor.lineage.touch-service.xiaomi"
+
+#include "KeySwapper.h"
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/strings.h>
+
+using ::android::base::ReadFileToString;
+using ::android::base::Trim;
+using ::android::base::WriteStringToFile;
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+ndk::ScopedAStatus KeySwapper::getEnabled(bool* _aidl_return) {
+    std::string buf;
+    if (!ReadFileToString(KS_CONTROL_PATH, &buf)) {
+        LOG(ERROR) << "Failed to read current KeySwapper state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    *_aidl_return = Trim(buf) == "1";
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus KeySwapper::setEnabled(bool enabled) {
+    if (!WriteStringToFile(enabled ? "1" : "0", KS_CONTROL_PATH, true)) {
+        LOG(ERROR) << "Failed to write KeySwapper state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/KeySwapper.h

@@ -0,0 +1,24 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <aidl/vendor/lineage/touch/BnKeySwapper.h>
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace touch {
+
+class KeySwapper : public BnKeySwapper {
+  public:
+    ndk::ScopedAStatus getEnabled(bool* _aidl_return) override;
+    ndk::ScopedAStatus setEnabled(bool enabled) override;
+};
+
+}  // namespace touch
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/touch/service.cpp

@@ -0,0 +1,48 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "vendor.lineage.touch-service.xiaomi"
+
+#include "HighTouchPollingRate.h"
+#include "KeyDisabler.h"
+#include "KeySwapper.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::vendor::lineage::touch::HighTouchPollingRate;
+using aidl::vendor::lineage::touch::KeyDisabler;
+using aidl::vendor::lineage::touch::KeySwapper;
+
+int main() {
+    binder_status_t status = STATUS_OK;
+
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+
+#ifdef HTPR_CONTROL_PATH
+    std::shared_ptr<HighTouchPollingRate> htpr = ndk::SharedRefBase::make<HighTouchPollingRate>();
+    const std::string htpr_instance = std::string(HighTouchPollingRate::descriptor) + "/default";
+    status = AServiceManager_addService(htpr->asBinder().get(), htpr_instance.c_str());
+    CHECK_EQ(status, STATUS_OK) << "Failed to add service " << htpr_instance << " " << status;
+#endif
+
+#ifdef KD_CONTROL_PATH
+    std::shared_ptr<KeyDisabler> kd = ndk::SharedRefBase::make<KeyDisabler>();
+    const std::string kd_instance = std::string(KeyDisabler::descriptor) + "/default";
+    status = AServiceManager_addService(kd->asBinder().get(), kd_instance.c_str());
+    CHECK_EQ(status, STATUS_OK) << "Failed to add service " << kd_instance << " " << status;
+#endif
+
+#ifdef KS_CONTROL_PATH
+    std::shared_ptr<KeySwapper> ks = ndk::SharedRefBase::make<KeySwapper>();
+    const std::string ks_instance = std::string(KeySwapper::descriptor) + "/default";
+    status = AServiceManager_addService(ks->asBinder().get(), ks_instance.c_str());
+    CHECK_EQ(status, STATUS_OK) << "Failed to add service " << ks_instance << " " << status;
+#endif
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

aidl/touch/vendor.lineage.touch-service.xiaomi-htpr.xml

@@ -1,8 +1,7 @@
 <manifest version="1.0" type="device">
-    <hal format="hidl">
+    <hal format="aidl">
         <name>vendor.lineage.touch</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
+        <version>1</version>
         <interface>
             <name>IHighTouchPollingRate</name>
             <instance>default</instance>

aidl/touch/vendor.lineage.touch-service.xiaomi-kd.xml

@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>vendor.lineage.touch</name>
+        <version>1</version>
+        <interface>
+            <name>IKeyDisabler</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>

aidl/touch/vendor.lineage.touch-service.xiaomi-ks.xml

@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>vendor.lineage.touch</name>
+        <version>1</version>
+        <interface>
+            <name>IKeySwapper</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>

aidl/touch/vendor.lineage.touch-service.xiaomi.rc

@@ -0,0 +1,4 @@
+service vendor.touch-hal /vendor/bin/hw/vendor.lineage.touch-service.xiaomi
+    class hal
+    user system
+    group system

dolby/Android.bp

@@ -0,0 +1,37 @@
+//
+// Copyright (C) 2017-2021 The LineageOS Project
+//           (C) 2023-24 Paranoid Android
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+android_app {
+    name: "XiaomiDolby",
+
+    srcs: ["src/**/*.kt"],
+    resource_dirs: ["res"],
+    certificate: "platform",
+    platform_apis: true,
+    system_ext_specific: true,
+    privileged: true,
+
+    overrides: ["MusicFX", "AudioFX"],
+    static_libs: [
+        "SettingsLib",
+        "SpaLib",
+        "androidx.activity_activity-compose",
+        "androidx.compose.material3_material3",
+        "androidx.compose.runtime_runtime",
+        "androidx.preference_preference",
+        "org.lineageos.settings.resources",
+    ],
+
+    required: ["preinstalled-packages-platform-dolby.xml"],
+}
+
+prebuilt_etc {
+    name: "preinstalled-packages-platform-dolby.xml",
+    src: "preinstalled-packages-platform-dolby.xml",
+    sub_dir: "sysconfig",
+    system_ext_specific: true,
+}

dolby/AndroidManifest.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2023-24 Paranoid Android
+     SPDX-License-Identifier: Apache-2.0
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="co.aospa.dolby.xiaomi"
+    android:sharedUserId="android.uid.system">
+
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+
+    <application
+        android:icon="@mipmap/ic_launcher"
+        android:allowBackup="false"
+        android:label="@string/dolby_title"
+        android:persistent="true">
+
+        <receiver
+            android:name=".BootCompletedReceiver"
+            android:exported="true">
+            <intent-filter android:priority="1000">
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+
+        <activity
+            android:name=".DolbyActivity"
+            android:label="@string/dolby_title"
+            android:theme="@style/Theme.SubSettingsBase.Expressive"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.android.settings.action.IA_SETTINGS" />
+                <action android:name="android.service.quicksettings.action.QS_TILE_PREFERENCES"/>
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.media.action.DISPLAY_AUDIO_EFFECT_CONTROL_PANEL" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.CATEGORY_CONTENT_MUSIC" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+            <meta-data android:name="com.android.settings.category"
+                       android:value="com.android.settings.category.ia.sound" />
+            <meta-data android:name="com.android.settings.summary_uri"
+                       android:value="content://co.aospa.dolby.xiaomi.summary/dolby" />
+        </activity>
+
+        <activity
+            android:name=".geq.EqualizerActivity"
+            android:label="@string/dolby_preset"
+            android:theme="@style/Theme.SubSettingsBase.Expressive"
+            android:exported="true" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".DolbyTileService"
+            android:icon="@drawable/ic_dolby_qs"
+            android:label="@string/dolby_title"
+            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.service.quicksettings.action.QS_TILE"/>
+            </intent-filter>
+        </service>
+
+        <provider
+            android:name=".SummaryProvider"
+            android:authorities="co.aospa.dolby.xiaomi.summary">
+        </provider>
+
+    </application>
+</manifest>
+

dolby/preinstalled-packages-platform-dolby.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2024 crDroid Android Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<config>
+
+    <!-- Dolby -->
+    <install-in-user-type package="co.aospa.dolby.xiaomi">
+        <install-in user-type="FULL" />
+        <install-in user-type="PROFILE" />
+        <do-not-install-in user-type="android.os.usertype.profile.CLONE" />
+        <do-not-install-in user-type="android.os.usertype.profile.PRIVATE" />
+    </install-in-user-type>
+</config>

dolby/res/drawable/ic_dolby.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24" android:tint="?android:attr/colorControlNormal">
+    <path android:fillColor="#000000" android:pathData="M1,4.0214C2.2767,4.0743 3.5798,3.9866 4.8252,4.2063C8.8352,4.9133 11.4129,8.3489 11.0507,12.3402C10.7124,16.0695 7.3661,18.9511 3.3484,18.9651C2.5657,18.9678 1.7827,18.9441 1,18.9324L1,4.0214Z" android:strokeColor="#00000000" android:strokeWidth="1" android:fillType="evenOdd"/>
+    <group>
+        <clip-path android:pathData="M12.9332,4l10.0668,0l0,15l-10.0668,0z"/>
+        <path android:fillColor="#000000" android:pathData="M23,4.0924L23,18.8825C19.4973,19.298 16.399,18.6968 14.3366,15.6947C12.5148,13.043 12.4594,10.2265 14.2129,7.5241C16.244,4.394 19.3953,3.7204 23,4.0924" android:strokeColor="#00000000" android:strokeWidth="1" android:fillType="evenOdd"/>
+    </group>
+</vector>

dolby/res/drawable/ic_dolby_qs.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:width="24dp" android:viewportWidth="24" android:viewportHeight="24">
+    <path android:fillColor="#191c1e" android:pathData="M1,4.0214C2.2767,4.0743 3.5798,3.9866 4.8252,4.2063C8.8352,4.9133 11.4129,8.3489 11.0507,12.3402C10.7124,16.0695 7.3661,18.9511 3.3484,18.9651C2.5657,18.9678 1.7827,18.9441 1,18.9324L1,4.0214Z" android:strokeColor="#00000000" android:strokeWidth="1" android:fillType="evenOdd"/>
+    <group>
+        <clip-path android:pathData="M12.9332,4l10.0668,0l0,15l-10.0668,0z"/>
+        <path android:fillColor="#191c1e" android:pathData="M23,4.0924L23,18.8825C19.4973,19.298 16.399,18.6968 14.3366,15.6947C12.5148,13.043 12.4594,10.2265 14.2129,7.5241C16.244,4.394 19.3953,3.7204 23,4.0924" android:strokeColor="#00000000" android:strokeWidth="1" android:fillType="evenOdd"/>
+    </group>
+</vector>

dolby/res/drawable/ic_ieq_balanced.xml

@@ -0,0 +1,24 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="192"
+    android:viewportHeight="192"
+    android:tint="?android:attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 69.584 66.547 L 63.792 70.797 L 38.646 71.697 L 13.5 72.597 L 13.5 89.723 C 13.5 99.143 13.865 111.999 14.313 118.292 L 15.124 129.734 L 178.5 129.734 L 178.5 102.234 L 121.248 102.234 L 99.203 82.234 C 87.078 71.234 76.756 62.248 76.266 62.266 C 75.776 62.282 72.769 64.209 69.584 66.547"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 69.125 67.065 L 62.875 71.921 L 38.188 71.99 L 13.5 72.06 L 13.504 81.122 C 13.506 86.106 13.876 99.044 14.325 109.872 L 15.141 129.56 L 178.5 129.56 L 178.5 103.31 L 122.126 103.31 L 99.675 82.997 C 87.326 71.826 76.808 62.577 76.299 62.446 C 75.791 62.315 72.563 64.394 69.125 67.065"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 69.854 67.249 L 63.237 72.187 L 13.311 72.187 L 14.119 84.374 C 14.562 91.077 14.929 104.016 14.932 113.124 L 14.939 129.687 L 178.689 129.687 L 178.689 103.437 L 150.251 103.428 L 121.814 103.418 L 99.143 82.865 L 76.471 62.313 L 69.854 67.249"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 69.141 67.266 L 63.221 71.609 L 45.888 71.609 C 36.354 71.609 25.238 71.956 21.184 72.378 L 13.813 73.147 L 14.115 93.316 C 14.281 104.408 14.748 117.001 15.151 121.297 L 15.886 129.109 L 178.188 129.109 L 178.188 102.859 L 120.703 102.859 L 98.696 82.859 C 86.594 71.859 76.324 62.873 75.876 62.891 C 75.429 62.907 72.399 64.876 69.141 67.266"
+        android:strokeWidth="1.25"/>
+</vector>

dolby/res/drawable/ic_ieq_detailed.xml

@@ -0,0 +1,24 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="192"
+    android:viewportHeight="192"
+    android:tint="?android:attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 126.625 63.749 C 120.886 65.812 115.12 69.774 103.5 79.643 C 85.566 94.873 77.207 98.716 62.179 98.637 C 51.344 98.582 42.841 96.091 34.946 90.659 C 29.282 86.763 22.25 77.097 22.25 73.209 C 22.25 71.466 21.259 70.954 17.875 70.954 L 13.5 70.954 L 13.5 129.704 L 178.5 129.704 L 178.5 86.329 L 174.915 81.381 C 169.567 73.999 161.404 67.534 153.865 64.714 C 146.447 61.939 132.988 61.463 126.625 63.749"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 128.493 63.479 C 122.229 65.384 117.026 68.819 104.59 79.26 C 89.19 92.189 83.945 95.359 73.54 98.024 C 60.438 101.381 44.281 98.268 33.966 90.4 C 28.19 85.994 22.25 77.679 22.25 73.999 C 22.25 71.475 21.634 71.061 17.875 71.061 L 13.5 71.061 L 13.5 129.811 L 178.5 129.811 L 178.494 108.249 L 178.488 86.686 L 173.807 80.541 C 163.119 66.51 143.193 59.008 128.493 63.479"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 129.75 63.348 C 122.865 65.451 115.829 70.014 103.442 80.413 C 96.136 86.547 86.969 92.947 82.48 95.048 C 60.304 105.426 32.044 97.046 23.267 77.492 C 21.242 72.979 20.328 72.179 17.191 72.179 L 13.5 72.179 L 13.5 129.679 L 178.5 129.679 L 178.456 108.742 C 178.41 86.981 178.329 86.587 172.313 78.669 C 163.463 67.022 142.469 59.466 129.75 63.348"
+        android:strokeWidth="1.25"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 131.184 63.546 C 123.825 64.992 117.559 68.919 103.5 80.894 C 96.969 86.458 87.98 92.824 83.526 95.043 C 75.941 98.821 74.591 99.077 62.25 99.077 C 49.875 99.077 48.564 98.827 40.714 94.962 C 31.655 90.503 24.469 83.298 22.19 76.396 C 21.04 72.909 20.19 72.202 17.152 72.202 L 13.5 72.202 L 13.5 129.702 L 178.5 129.702 L 178.5 87.577 L 174.965 82.702 C 170.49 76.532 163.525 70.403 157.488 67.323 C 153.545 65.312 139.684 61.884 137.333 62.339 C 136.944 62.414 134.176 62.957 131.184 63.546"
+        android:strokeWidth="1.25"/>
+</vector>

dolby/res/drawable/ic_ieq_off.xml

@@ -0,0 +1,13 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="192"
+    android:viewportHeight="192"
+    android:tint="?android:attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 13.5 96 L 13.5 103.5 L 178.5 103.5 L 178.5 88.5 L 13.5 88.5 L 13.5 96"
+        android:strokeWidth="1.25"
+        android:fillType="evenOdd"/>
+</vector>

dolby/res/drawable/ic_ieq_warm.xml

@@ -0,0 +1,28 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="192"
+    android:viewportHeight="192"
+    android:tint="?android:attr/colorControlNormal">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 48.789 64.919 C 45.865 66.366 40.885 70.429 37.721 73.948 C 28.465 84.243 13.479 116.446 13.479 126.041 L 13.479 129.786 L 95.979 129.786 C 141.354 129.786 178.479 129.486 178.479 129.12 C 178.479 128.753 177.131 125.8 175.483 122.558 C 170.413 112.579 162.723 104.006 155.705 100.509 C 149.673 97.503 148.053 97.286 131.582 97.286 C 105.944 97.286 102.89 95.881 86.335 76.454 C 74.977 63.124 61.056 58.848 48.789 64.919"
+        android:strokeWidth="1.25"
+        android:fillType="evenOdd"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 49.712 64.871 C 40.942 68.842 33.167 78.157 25.45 93.941 C 18.063 109.047 13.462 121.585 13.462 126.604 L 13.462 129.769 L 178.496 129.769 L 176.673 125.407 C 171.895 113.971 159.81 101.317 151.203 98.739 C 148.476 97.921 138.591 97.264 128.942 97.256 C 107.671 97.241 102.106 95.265 93.347 84.617 C 76.128 63.684 64.227 58.297 49.712 64.871"
+        android:strokeWidth="1.25"
+        android:fillType="evenOdd"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 52.781 63.452 C 47.321 65.482 40.256 70.907 35.792 76.496 C 27.971 86.29 13.406 119.09 13.406 126.91 L 13.406 129.502 L 178.552 129.502 L 174.586 122.06 C 169.31 112.162 163.213 105.23 156.113 101.056 C 150.453 97.729 149.705 97.625 130.807 97.53 C 107.81 97.414 103.646 96.04 94.012 85.387 C 80.912 70.9 77.898 68.045 73.171 65.632 C 67.157 62.565 57.846 61.569 52.781 63.452"
+        android:strokeWidth="1.25"
+        android:fillType="evenOdd"/>
+    <path
+        android:fillColor="#000000"
+        android:pathData="M 56.078 63.069 C 44.607 65.852 35.711 75.314 26.246 94.802 C 19.707 108.263 16.537 116.731 14.817 125.334 L 14.005 129.397 L 95.98 129.397 C 165.857 129.397 177.953 129.136 177.953 127.627 C 177.953 124.146 165.22 106.857 160.048 103.314 C 152.515 98.156 150.572 97.791 129.828 97.641 C 111.478 97.507 110.935 97.424 104.33 93.776 C 99.905 91.331 95.316 87.208 91 81.798 C 80.578 68.737 74.351 64.324 64.203 62.812 C 61.797 62.453 58.141 62.568 56.078 63.069"
+        android:strokeWidth="1.25"
+        android:fillType="evenOdd"/>
+</vector>

dolby/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector android:height="108.0dip" android:width="108.0dip" android:viewportWidth="108.0" android:viewportHeight="108.0"
+  xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <group android:scaleX="1.3544992" android:scaleY="1.3544992" android:translateX="-23.22" android:translateY="-23.22">
+        <group>
+            <clip-path android:pathData="M57.01,57.01m-54,0a54,54 0,1 1,108 0a54,54 0,1 1,-108 0" />
+            <path android:fillColor="#ffeaedef" android:pathData="M-1.9,-1.9h117.82v117.82h-117.82z" />
+            <path android:fillColor="@drawable/ic_launcher_background__0" android:pathData="M-1.9,115.92l0,-117.82l117.82,0l-117.82,117.82z" />
+            <path android:fillColor="@drawable/ic_launcher_background__1" android:pathData="M-1.9,-1.9h117.82v117.82h-117.82z" android:strokeAlpha="0.2" android:fillAlpha="0.2" />
+        </group>
+    </group>
+</vector>

dolby/res/drawable/ic_launcher_background__0.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<gradient android:angle="0.0" android:type="linear" android:startX="57.01" android:startY="56.4" android:endX="57.01" android:endY="-1.58"
+  xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <item android:color="#ffffffff" android:offset="0.0" />
+    <item android:color="#fff3f5f6" android:offset="1.0" />
+</gradient>

dolby/res/drawable/ic_launcher_background__1.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<gradient android:angle="0.0" android:type="linear" android:startX="-1.9" android:startY="115.92" android:endX="115.92" android:endY="-1.9"
+  xmlns:android="http://schemas.android.com/apk/res/android" xmlns:aapt="http://schemas.android.com/aapt">
+    <item android:color="#ff80d0ce" android:offset="0.0" />
+    <item android:color="#ff9fa8da" android:offset="1.0" />
+</gradient>

dolby/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector android:height="108.0dip" android:width="108.0dip" android:viewportWidth="108.0" android:viewportHeight="108.0"
+  xmlns:android="http://schemas.android.com/apk/res/android">
+    <group android:scaleX="0.84" android:scaleY="0.84" android:translateX="23.76" android:translateY="23.76">
+        <path android:fillColor="#ff465461" android:pathData="M12,19.13h5a16.87,16.87 0,0 1,0 33.74H12Z" />
+        <path android:fillColor="#ff465461" android:pathData="M60,52.87H55a16.87,16.87 0,0 1,0 -33.74h5Z" />
+    </group>
+</vector>

dolby/res/drawable/ic_launcher_mono.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="108dp" android:width="108dp" android:viewportWidth="108" android:viewportHeight="108">
+    <path android:fillColor="#000000" android:pathData="M36.6305484,38 C45.6078241,38.1592687 52.837468,45.7082857 52.837468,54.9974325 C52.837468,64.2865794 45.6078241,71.8355964 36.6307694,71.9948651 L32,72 L32,38 L36.6305484,38 Z M36.999,43.017 L36.999,66.977 L37.1225728,66.9701894 C42.9872179,66.559014 47.6837958,61.5395304 47.8337726,55.3050128 L47.837468,54.9974325 C47.837468,48.6211219 43.0833381,43.4425908 37.1223719,43.0246757 L36.999,43.017 Z M71.3694516,38 C62.3921759,38.1592687 55.162532,45.7082857 55.162532,54.9974325 C55.162532,64.2865794 62.3921759,71.8355964 71.3692306,71.9948651 L76,72 L76,38 L71.3694516,38 Z M71.000532,43.017 L71.000532,66.977 L70.8774272,66.9701894 C65.0127821,66.559014 60.3162042,61.5395304 60.1662274,55.3050128 L60.162532,54.9974325 C60.162532,48.6211219 64.9166619,43.4425908 70.8776281,43.0246757 L71.000532,43.017 Z" android:strokeWidth="1"/>
+</vector>

dolby/res/drawable/ic_profile_custom.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:tint="?android:attr/colorControlNormal"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="72.0"
+    android:viewportHeight="72.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M45,9L45,27L51,27L51,21L63,21L63,15L51,15L51,9L45,9M9,15L9,21L39,21L39,15L9,15M21,27L21,33L9,33L9,39L21,39L21,45L27,45L27,27L21,27M33,33L33,39L63,39L63,33L33,33M33,45L33,63L39,63L39,57L63,57L63,51L39,51L39,45L33,45M9,51L9,57L27,57L27,51L9,51z"/>
+</vector>

dolby/res/drawable/ic_profile_dynamic.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:tint="?android:attr/colorControlNormal"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="72.0"
+    android:viewportHeight="72.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M21,6L21,39L30,39L30,66C34.0185,62.1036 36.3516,56.7839 39.2006,52C43.3436,45.0435 48.7076,37.7933 51,30L40,30C43.3656,21.916 48.5711,14.4315 51,6L21,6z"/>
+</vector>

dolby/res/drawable/ic_profile_movie.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:tint="?android:attr/colorControlNormal"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="72.0"
+    android:viewportHeight="72.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M7.84,13.82C9.62,11.74 12.52,12.02 14.98,11.95C16.97,15.97 19,19.98 21,24C24,24 27,24 30,24C28,20 26,16 24,12C26,12 28,12 30,12C32,16 34,20 36,24C39,24 42,24 45,24C43,20 41,16 39,12C41,12 43,12 45,12C47,16 49,20 51,24C54,24 57,24 60,24C58,20 56,16 54,12C58,12 62,12 66,12C65.99,25.69 66.01,39.38 66,53.07C66.42,56.49 63.62,59.98 60.12,59.96C44.39,60.06 28.66,59.97 12.93,60C9.52,60.43 6.02,57.62 6.04,54.12C5.93,42.75 6.06,31.37 6,19.99C5.95,17.82 6.08,15.36 7.84,13.82Z"/>
+</vector>

dolby/res/drawable/ic_profile_music.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:tint="?android:attr/colorControlNormal"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="72.0"
+    android:viewportHeight="72.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M36,9L36,40C32.245,38.8901 27.6726,38.2912 24.0154,40.179C17.5734,43.5044 15.8784,53.3215 20.4336,58.8912C25.822,65.4796 38.0937,64.1632 41.2577,55.9961C42.655,52.3894 42,47.7931 42,44L42,21L54,21L54,9L36,9z"/>
+</vector>

dolby/res/drawable/reset_settings_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="?android:attr/colorControlNormal"
+        android:pathData="M520,630L520,570L680,570L680,630L520,630ZM580,840L580,790L520,790L520,730L580,730L580,680L640,680L640,840L580,840ZM680,790L680,730L840,730L840,790L680,790ZM720,680L720,520L780,520L780,570L840,570L840,630L780,630L780,680L720,680ZM831,400L748,400Q722,312 649,256Q576,200 480,200Q363,200 281.5,281.5Q200,363 200,480Q200,552 232.5,612Q265,672 320,710L320,600L400,600L400,840L160,840L160,760L254,760Q192,710 156,637.5Q120,565 120,480Q120,405 148.5,339.5Q177,274 225.5,225.5Q274,177 339.5,148.5Q405,120 480,120Q609,120 706.5,199.5Q804,279 831,400Z" />
+</vector>

dolby/res/drawable/save_as_24px.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:fillColor="?android:attr/colorControlNormal"
+      android:pathData="M200,840Q167,840 143.5,816.5Q120,793 120,760L120,200Q120,167 143.5,143.5Q167,120 200,120L680,120L840,280L840,492Q821,484 800.5,481.5Q780,479 760,482L760,313L647,200L200,200Q200,200 200,200Q200,200 200,200L200,760Q200,760 200,760Q200,760 200,760L440,760L440,764L440,840L200,840ZM200,200L200,313L200,482Q200,485 200,494.5Q200,504 200,519L200,760L200,760L200,760Q200,760 200,760Q200,760 200,760L200,200Q200,200 200,200Q200,200 200,200ZM520,920L520,797L741,577Q750,568 761,564Q772,560 783,560Q795,560 806,564.5Q817,569 826,578L863,615Q871,624 875.5,635Q880,646 880,657Q880,668 876,679.5Q872,691 863,700L643,920L520,920ZM820,657L820,657L783,620L783,620L820,657ZM580,860L618,860L739,738L721,719L702,701L580,822L580,860ZM721,719L702,701L702,701L739,738L739,738L721,719ZM240,400L600,400L600,240L240,240L240,400ZM480,720Q481,720 482,720Q483,720 484,720L600,605Q600,603 600,602.5Q600,602 600,600Q600,550 565,515Q530,480 480,480Q430,480 395,515Q360,550 360,600Q360,650 395,685Q430,720 480,720Z"/>
+</vector>

dolby/res/layout/ieq_icon_layout.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The Android Open Source Project
+              (C) 2024 Paranoid Android
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+  -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@android:id/widget_frame"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:minWidth="56dp"
+    android:gravity="end|center_vertical"
+    android:orientation="horizontal"
+    android:paddingLeft="8dp"
+    android:paddingStart="8dp"
+    android:paddingRight="0dp"
+    android:paddingEnd="0dp"
+    android:paddingTop="4dp"
+    android:paddingBottom="4dp">
+
+    <androidx.preference.internal.PreferenceImageView
+        android:id="@+id/ieq_icon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:maxWidth="56dp"
+        app:maxHeight="56dp"/>
+
+</LinearLayout>

dolby/res/mipmap-anydpi/ic_launcher.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon
+  xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_mono" />
+</adaptive-icon>

dolby/res/values-ru/strings.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2023-24 Paranoid Android
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+
+    <!-- Dolby Atmos -->
+    <string name="dolby_title">Dolby Atmos</string>
+    <string name="dolby_enable">Использовать Dolby Atmos</string>
+    <string name="dolby_profile_title">Выберите профиль</string>
+    <string name="dolby_preset">Графический эквалайзер</string>
+    <string name="dolby_off">Выключено</string>
+    <string name="dolby_on">Включено</string>
+    <string name="dolby_low">Низкий</string>
+    <string name="dolby_medium">Средний</string>
+    <string name="dolby_high">Высокий</string>
+    <string name="dolby_max">Максимальный</string>
+    <string name="dolby_unknown">Неизвестно</string>
+    <string name="dolby_on_with_profile">Включено (%1$s)</string>
+    <string name="dolby_category_settings">Настройки</string>
+    <string name="dolby_bass_enhancer">Усилитель басов</string>
+    <string name="dolby_dialogue_enhancer">Усиление диалогов</string>
+    <string name="dolby_spk_virtualizer">Виртуализация динамиков</string>
+    <string name="dolby_hp_virtualizer">Виртуализация наушников</string>
+    <string name="dolby_stereo_widening">Расширение стерео</string>
+    <string name="dolby_volume_leveler">Выравниватель громкости</string>
+    <string name="dolby_connect_headphones">Подключите наушники</string>
+    <string name="dolby_reset_profile">Сбросить до настроек по умолчанию</string>
+    <string name="dolby_reset_profile_toast">Настройки для профиля %1$s успешно сброшены</string>
+
+    <!-- Dolby profiles -->
+    <string name="dolby_profile_dynamic">Динамический</string>
+    <string name="dolby_profile_video">Кино/Видео</string>
+    <string name="dolby_profile_music">Музыка</string>
+    <string name="dolby_profile_voice">Голос</string>
+
+    <!-- Dolby equalizer presets -->
+    <string name="dolby_preset_default">Плоский (выключено)</string>
+    <string name="dolby_preset_rock">Рок</string>
+    <string name="dolby_preset_jazz">Джаз</string>
+    <string name="dolby_preset_pop">Поп</string>
+    <string name="dolby_preset_classical">Классика</string>
+    <string name="dolby_preset_hiphop">Хип-хоп</string>
+    <string name="dolby_preset_blues">Блюз</string>
+    <string name="dolby_preset_electronic">Электронная музыка</string>
+    <string name="dolby_preset_country">Кантри</string>
+    <string name="dolby_preset_dance">Танцевальная музыка</string>
+    <string name="dolby_preset_metal">Метал</string>
+
+    <!-- Dolby equalizer UI -->
+    <string name="dolby_geq_slider_label_gain">Усиление</string>
+    <string name="dolby_geq_preset">Предустановка</string>
+    <string name="dolby_geq_preset_name">Название предустановки</string>
+    <string name="dolby_geq_new_preset">Новая предустановка</string>
+    <string name="dolby_geq_rename_preset">Переименовать предустановку</string>
+    <string name="dolby_geq_delete_preset">Удалить предустановку</string>
+    <string name="dolby_geq_delete_preset_prompt">Вы хотите удалить эту предустановку?</string>
+    <string name="dolby_geq_reset_gains">Сбросить усиление</string>
+    <string name="dolby_geq_reset_gains_prompt">Вы хотите сбросить эту предустановку до настроек по умолчанию?</string>
+    <string name="dolby_geq_preset_name_exists">Имя предустановки уже существует!</string>
+    <string name="dolby_geq_preset_name_too_long">Имя предустановки слишком длинное!</string>
+
+    <!-- Dolby intelligent EQ -->
+    <string name="dolby_ieq">Интеллектуальный эквалайзер</string>
+    <string name="dolby_balanced">Сбалансированный</string>
+    <string name="dolby_warm">Тёплый</string>
+    <string name="dolby_detailed">Детализированный</string>
+
+</resources>

dolby/res/values/arrays.xml

@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2023-24 Paranoid Android
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+
+    <!-- Dolby Atmos -->
+    <string-array name="dolby_profile_entries">
+        <item>@string/dolby_profile_dynamic</item>
+        <item>@string/dolby_profile_movie</item>
+        <item>@string/dolby_profile_music</item>
+        <item>@string/dolby_profile_custom</item>
+    </string-array>
+
+    <string-array name="dolby_profile_values">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
+
+    <string-array name="dolby_preset_entries" translatable="false">
+        <item>@string/dolby_preset_default</item>
+        <item>@string/dolby_preset_rock</item>
+        <item>@string/dolby_preset_jazz</item>
+        <item>@string/dolby_preset_pop</item>
+        <item>@string/dolby_preset_classical</item>
+        <item>@string/dolby_preset_hiphop</item>
+        <item>@string/dolby_preset_blues</item>
+        <item>@string/dolby_preset_electronic</item>
+        <item>@string/dolby_preset_metal</item>
+    </string-array>
+
+     <string-array name="dolby_preset_values">
+        <!--
+        <item>0,0,0,0,0,0,0,0,0,0</item>
+        <item>4,1,-2,-0.25,0,-2,0,-2,0.5,4</item>
+        <item>0,0,0,-1,-1,-3,-0.5,0,0,0</item>
+        <item>-2,-0.5,-5,-1,0,0,-0.5,-3,-0.5,0</item>
+        <item>0,0,0,0,0.5,3,1,6,2,6</item>
+        <item>3,0,-3,-0.5,-0.5,-3,-0.5,0,0,2</item>
+        <item>2,2,-6,-2,3,1,0,1,0,2</item>
+        <item>3,1,-1,0,-0.5,-3,-0.5,0,0,0</item>
+        <item>2,0,0,-1.25,-1,-4,0,0,0,0</item>
+        -->
+        <item>0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0</item>
+        <item>60,36,12,-12,-36,-24,-12,-8,-4,-20,-36,-20,-4,-20,-36,-16,4,32,60,60</item>
+        <item>8,8,8,8,8,0,-8,-8,-8,-24,-40,-20,0,4,8,8,8,8,8,8</item>
+        <item>-13,-1,11,-25,-61,-29,3,11,19,19,19,15,11,-9,-29,-9,11,15,19,19</item>
+        <item>-32,-32,-32,-32,-32,-32,-32,-28,-24,-4,16,0,-16,24,64,32,0,32,64,64</item>
+        <item>52,28,4,-20,-44,-24,-4,-4,-4,-24,-44,-24,-4,0,4,4,4,20,36,36</item>
+        <item>28,28,28,-36,-100,-68,-36,4,44,28,12,4,-4,4,12,4,-4,12,28,28</item>
+        <item>50,34,18,2,-14,-6,2,-2,-6,-26,-46,-26,-6,-2,2,2,2,2,2,2</item>
+        <item>40,24,8,8,8,-4,-16,-12,-8,-32,-56,-24,8,8,8,8,8,8,8,8</item>
+    </string-array>
+
+    <string-array name="dolby_dialogue_entries">
+        <item>@string/dolby_off</item>
+        <item>@string/dolby_low</item>
+        <item>@string/dolby_medium</item>
+        <item>@string/dolby_high</item>
+        <item>@string/dolby_max</item>
+    </string-array>
+
+    <string-array name="dolby_dialogue_values">
+        <item>0</item>
+        <item>2</item>
+        <item>6</item>
+        <item>9</item>
+        <item>12</item>
+    </string-array>
+
+    <string-array name="dolby_stereo_entries">
+        <item>@string/dolby_low</item>
+        <item>@string/dolby_medium</item>
+        <item>@string/dolby_high</item>
+        <item>@string/dolby_max</item>
+    </string-array>
+
+    <string-array name="dolby_stereo_values">
+        <item>4</item>
+        <item>24</item>
+        <item>44</item>
+        <item>64</item>
+    </string-array>
+
+    <string-array name="dolby_ieq_entries">
+        <item>@string/dolby_off</item>
+        <item>@string/dolby_balanced</item>
+        <item>@string/dolby_warm</item>
+        <item>@string/dolby_detailed</item>
+    </string-array>
+
+    <string-array name="dolby_ieq_values">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
+
+</resources>

dolby/res/values/strings.xml

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2023-24 Paranoid Android
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+
+    <!-- Dolby Atmos -->
+    <string name="dolby_title">Dolby Atmos</string>
+    <string name="dolby_enable">Use Dolby Atmos</string>
+    <string name="dolby_profile_title">Choose a profile</string>
+    <string name="dolby_preset">Graphic equalizer</string>
+    <string name="dolby_off">Off</string>
+    <string name="dolby_on">On</string>
+    <string name="dolby_low">Low</string>
+    <string name="dolby_medium">Medium</string>
+    <string name="dolby_high">High</string>
+    <string name="dolby_max">Max</string>
+    <string name="dolby_unknown">Unknown</string>
+    <string name="dolby_on_with_profile">On (%1$s)</string>
+    <string name="dolby_category_settings">Settings</string>
+    <string name="dolby_bass_enhancer">Bass enhancer</string>
+    <string name="dolby_dialogue_enhancer">Dialogue enhancer</string>
+    <string name="dolby_spk_virtualizer">Speaker virtualization</string>
+    <string name="dolby_hp_virtualizer">Headphone virtualization</string>
+    <string name="dolby_stereo_widening">Stereo widening</string>
+    <string name="dolby_volume_leveler">Volume leveler</string>
+    <string name="dolby_connect_headphones">Connect headphones</string>
+    <string name="dolby_reset_profile">Reset to defaults</string>
+    <string name="dolby_reset_profile_toast">Successfully reset settings for %1$s profile</string>
+
+    <!-- Dolby profiles -->
+    <string name="dolby_profile_dynamic">Dynamic</string>
+    <string name="dolby_profile_movie">Movie</string>
+    <string name="dolby_profile_music">Music</string>
+    <string name="dolby_profile_custom">Custom</string>
+
+    <!-- Dolby equalizer presets -->
+    <string name="dolby_preset_default">Flat (off)</string>
+    <string name="dolby_preset_rock">Rock</string>
+    <string name="dolby_preset_jazz">Jazz</string>
+    <string name="dolby_preset_pop">Pop</string>
+    <string name="dolby_preset_classical">Classical</string>
+    <string name="dolby_preset_hiphop">Hip Hop</string>
+    <string name="dolby_preset_blues">Blues</string>
+    <string name="dolby_preset_electronic">Electronic</string>
+    <string name="dolby_preset_country">Country</string>
+    <string name="dolby_preset_dance">Dance</string>
+    <string name="dolby_preset_metal">Metal</string>
+
+    <!-- Dolby equalizer UI -->
+    <string name="dolby_geq_slider_label_gain">Gain</string>
+    <string name="dolby_geq_preset">Preset</string>
+    <string name="dolby_geq_preset_name">Preset name</string>
+    <string name="dolby_geq_new_preset">New preset</string>
+    <string name="dolby_geq_rename_preset">Rename preset</string>
+    <string name="dolby_geq_delete_preset">Delete preset</string>
+    <string name="dolby_geq_delete_preset_prompt">Do you want to delete this preset?</string>
+    <string name="dolby_geq_reset_gains">Reset gains</string>
+    <string name="dolby_geq_reset_gains_prompt">Do you want to reset this preset to defaults?</string>
+    <string name="dolby_geq_preset_name_exists">Preset name already exists!</string>
+    <string name="dolby_geq_preset_name_too_long">Preset name is too long!</string>
+
+    <!-- Dolby intelligent EQ -->
+    <string name="dolby_ieq">Intelligent equalizer</string>
+    <string name="dolby_balanced">Balanced</string>
+    <string name="dolby_warm">Warm</string>
+    <string name="dolby_detailed">Detailed</string>
+
+</resources>

dolby/res/xml/dolby_settings.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2023-24 Paranoid Android
+     SPDX-License-Identifier: Apache-2.0
+-->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:title="@string/dolby_title">
+
+    <com.android.settingslib.widget.MainSwitchPreference
+        android:defaultValue="true"
+        android:key="dolby_enable"
+        android:title="@string/dolby_enable" />
+
+    <ListPreference
+        android:key="dolby_profile"
+        android:entries="@array/dolby_profile_entries"
+        android:entryValues="@array/dolby_profile_values"
+        android:defaultValue="0"
+        android:title="@string/dolby_profile_title"
+        android:summary="%s" />
+
+    <PreferenceCategory
+        android:title="@string/dolby_category_settings">
+
+        <Preference
+            android:key="dolby_preset"
+            android:title="@string/dolby_preset">
+            <intent
+                android:action="android.intent.action.MAIN"
+                android:targetPackage="co.aospa.dolby.xiaomi"
+                android:targetClass="co.aospa.dolby.xiaomi.geq.EqualizerActivity" />
+        </Preference>
+
+        <co.aospa.dolby.xiaomi.preference.DolbyIeqPreference
+            android:key="dolby_ieq"
+            android:entries="@array/dolby_ieq_entries"
+            android:entryValues="@array/dolby_ieq_values"
+            android:title="@string/dolby_ieq" />
+
+        <SwitchPreferenceCompat
+            android:key="dolby_spk_virtualizer"
+            android:title="@string/dolby_spk_virtualizer" />
+
+        <SwitchPreferenceCompat
+            android:key="dolby_virtualizer"
+            android:title="@string/dolby_hp_virtualizer" />
+
+        <ListPreference
+            android:key="dolby_stereo"
+            android:entries="@array/dolby_stereo_entries"
+            android:entryValues="@array/dolby_stereo_values"
+            android:title="@string/dolby_stereo_widening"
+            android:dependency="dolby_virtualizer" />
+
+        <ListPreference
+            android:key="dolby_dialogue"
+            android:entries="@array/dolby_dialogue_entries"
+            android:entryValues="@array/dolby_dialogue_values"
+            android:title="@string/dolby_dialogue_enhancer" />
+
+        <SwitchPreferenceCompat
+            android:key="dolby_bass"
+            android:title="@string/dolby_bass_enhancer" />
+
+        <SwitchPreferenceCompat
+            android:key="dolby_volume"
+            android:title="@string/dolby_volume_leveler" />
+
+        <Preference
+            android:key="dolby_reset"
+            android:title="@string/dolby_reset_profile" />
+
+    </PreferenceCategory>
+
+</PreferenceScreen>

dolby/src/co/aospa/dolby/xiaomi/BootCompletedReceiver.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.util.Log
+
+private const val TAG = "XiaomiDolby-Boot"
+
+class BootCompletedReceiver : BroadcastReceiver() {
+
+    override fun onReceive(context: Context, intent: Intent) {
+        Log.d(TAG, "Received intent: ${intent.action}")
+        if (intent.action != Intent.ACTION_BOOT_COMPLETED) {
+            return
+        }
+
+        Log.i(TAG, "Boot completed, starting dolby")
+        DolbyController.getInstance(context).onBootCompleted()
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/DolbyActivity.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.os.Bundle
+import co.aospa.dolby.xiaomi.preference.DolbySettingsFragment
+import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity
+
+class DolbyActivity : CollapsingToolbarBaseActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        supportFragmentManager
+            .beginTransaction()
+            .replace(
+                com.android.settingslib.collapsingtoolbar.R.id.content_frame,
+                DolbySettingsFragment(),
+            )
+            .commit()
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/DolbyAudioEffect.kt

@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.media.audiofx.AudioEffect
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.dlog
+import co.aospa.dolby.xiaomi.DolbyConstants.DsParam
+import java.util.UUID
+
+class DolbyAudioEffect(priority: Int, audioSession: Int) : AudioEffect(
+    EFFECT_TYPE_NULL, EFFECT_TYPE_DAP, priority, audioSession
+) {
+
+    var dsOn: Boolean
+        get() = getIntParam(EFFECT_PARAM_ENABLE) == 1
+        set(value) {
+            setIntParam(EFFECT_PARAM_ENABLE, if (value) 1 else 0)
+            enabled = value
+        }
+
+    var profile: Int
+        get() = getIntParam(EFFECT_PARAM_PROFILE)
+        set(value) {
+            setIntParam(EFFECT_PARAM_PROFILE, value)
+        }
+
+    private fun setIntParam(param: Int, value: Int) {
+        dlog(TAG, "setIntParam($param, $value)")
+        val buf = ByteArray(12)
+        int32ToByteArray(param, buf, 0)
+        int32ToByteArray(1, buf, 4)
+        int32ToByteArray(value, buf, 8)
+        checkStatus(setParameter(EFFECT_PARAM_CPDP_VALUES, buf))
+    }
+
+    private fun getIntParam(param: Int): Int {
+        val buf = ByteArray(12)
+        int32ToByteArray(param, buf, 0)
+        checkStatus(getParameter(EFFECT_PARAM_CPDP_VALUES + param, buf))
+        return byteArrayToInt32(buf).also {
+            dlog(TAG, "getIntParam($param): $it")
+        }
+    }
+
+    fun resetProfileSpecificSettings(profile: Int = this.profile) {
+        dlog(TAG, "resetProfileSpecificSettings: profile=$profile")
+        setIntParam(EFFECT_PARAM_RESET_PROFILE_SETTINGS, profile)
+    }
+
+    fun setDapParameter(param: DsParam, values: IntArray, profile: Int = this.profile) {
+        dlog(TAG, "setDapParameter: profile=$profile param=$param")
+        val length = values.size
+        val buf = ByteArray((length + 4) * 4)
+        int32ToByteArray(EFFECT_PARAM_SET_PROFILE_PARAMETER, buf, 0)
+        int32ToByteArray(length + 1, buf, 4)
+        int32ToByteArray(profile, buf, 8)
+        int32ToByteArray(param.id, buf, 12)
+        int32ArrayToByteArray(values, buf, 16)
+        checkStatus(setParameter(EFFECT_PARAM_CPDP_VALUES, buf))
+    }
+
+    fun setDapParameter(param: DsParam, enable: Boolean, profile: Int = this.profile) =
+        setDapParameter(param, intArrayOf(if (enable) 1 else 0), profile)
+
+    fun setDapParameter(param: DsParam, value: Int, profile: Int = this.profile) =
+        setDapParameter(param, intArrayOf(value), profile)
+
+    fun getDapParameter(param: DsParam, profile: Int = this.profile): IntArray {
+        dlog(TAG, "getDapParameter: profile=$profile param=$param")
+        val length = param.length
+        val buf = ByteArray((length + 2) * 4)
+        val p = (param.id shl 16) + (profile shl 8) + EFFECT_PARAM_GET_PROFILE_PARAMETER
+        checkStatus(getParameter(p, buf))
+        return byteArrayToInt32Array(buf, length)
+    }
+
+    fun getDapParameterBool(param: DsParam, profile: Int = this.profile): Boolean =
+        getDapParameter(param, profile)[0] == 1
+
+    fun getDapParameterInt(param: DsParam, profile: Int = this.profile): Int =
+        getDapParameter(param, profile)[0]
+
+    companion object {
+        private const val TAG = "DolbyAudioEffect"
+        private val EFFECT_TYPE_DAP =
+            UUID.fromString("9d4921da-8225-4f29-aefa-39537a04bcaa")
+
+        private const val EFFECT_PARAM_ENABLE = 0
+        private const val EFFECT_PARAM_CPDP_VALUES = 5
+        private const val EFFECT_PARAM_PROFILE = 0xA000000
+        private const val EFFECT_PARAM_SET_PROFILE_PARAMETER = 0x1000000
+        private const val EFFECT_PARAM_GET_PROFILE_PARAMETER = 0x1000005
+        private const val EFFECT_PARAM_RESET_PROFILE_SETTINGS = 0xC000000
+
+        private fun int32ToByteArray(value: Int, dst: ByteArray, index: Int) {
+            var idx = index
+            dst[idx++] = (value and 0xff).toByte()
+            dst[idx++] = ((value ushr 8) and 0xff).toByte()
+            dst[idx++] = ((value ushr 16) and 0xff).toByte()
+            dst[idx] = ((value ushr 24) and 0xff).toByte()
+        }
+
+        private fun byteArrayToInt32(ba: ByteArray): Int {
+            return ((ba[3].toInt() and 0xff) shl 24) or
+                    ((ba[2].toInt() and 0xff) shl 16) or
+                    ((ba[1].toInt() and 0xff) shl 8) or
+                    (ba[0].toInt() and 0xff)
+        }
+
+        private fun int32ArrayToByteArray(src: IntArray, dst: ByteArray, index: Int) {
+            var idx = index
+            for (x in src) {
+                dst[idx++] = (x and 0xff).toByte()
+                dst[idx++] = ((x ushr 8) and 0xff).toByte()
+                dst[idx++] = ((x ushr 16) and 0xff).toByte()
+                dst[idx++] = ((x ushr 24) and 0xff).toByte()
+            }
+        }
+
+        private fun byteArrayToInt32Array(ba: ByteArray, dstLength: Int): IntArray {
+            val srcLength = ba.size shr 2
+            val dst = IntArray(dstLength.coerceAtMost(srcLength))
+            for (i in dst.indices) {
+                dst[i] = ((ba[i * 4 + 3].toInt() and 0xff) shl 24) or
+                        ((ba[i * 4 + 2].toInt() and 0xff) shl 16) or
+                        ((ba[i * 4 + 1].toInt() and 0xff) shl 8) or
+                        (ba[i * 4].toInt() and 0xff)
+            }
+            return dst
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/DolbyConstants.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.util.Log
+
+class DolbyConstants {
+
+    enum class DsParam(val id: Int, val length: Int = 1) {
+        HEADPHONE_VIRTUALIZER(101),
+        SPEAKER_VIRTUALIZER(102),
+        VOLUME_LEVELER_ENABLE(103),
+        IEQ_PRESET(104),
+        DIALOGUE_ENHANCER_ENABLE(105),
+        DIALOGUE_ENHANCER_AMOUNT(108),
+        GEQ_BAND_GAINS(110, 20),
+        BASS_ENHANCER_ENABLE(111),
+        STEREO_WIDENING_AMOUNT(113);
+
+        override fun toString(): String {
+            return "${name}(${id})"
+        }
+    }
+
+    companion object {
+        const val TAG = "XiaomiDolby"
+        const val PREF_ENABLE = "dolby_enable"
+        const val PREF_PROFILE = "dolby_profile"
+        const val PREF_PRESET = "dolby_preset"
+        const val PREF_IEQ = "dolby_ieq"
+        const val PREF_HP_VIRTUALIZER = "dolby_virtualizer"
+        const val PREF_SPK_VIRTUALIZER = "dolby_spk_virtualizer"
+        const val PREF_STEREO = "dolby_stereo"
+        const val PREF_DIALOGUE = "dolby_dialogue"
+        const val PREF_BASS = "dolby_bass"
+        const val PREF_VOLUME = "dolby_volume"
+        const val PREF_RESET = "dolby_reset"
+
+        val PROFILE_SPECIFIC_PREFS = setOf(
+            PREF_PRESET,
+            PREF_IEQ,
+            PREF_HP_VIRTUALIZER,
+            PREF_SPK_VIRTUALIZER,
+            PREF_STEREO,
+            PREF_DIALOGUE,
+            PREF_BASS,
+            PREF_VOLUME
+        )
+
+        fun dlog(tag: String, msg: String) {
+            if (Log.isLoggable(TAG, Log.DEBUG)) {
+                Log.d(tag, msg)
+            }
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/DolbyController.kt

@@ -0,0 +1,323 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.content.Context
+import android.media.AudioDeviceCallback
+import android.media.AudioDeviceInfo
+import android.media.AudioManager
+import android.media.AudioManager.AudioPlaybackCallback
+import android.media.AudioPlaybackConfiguration
+import android.os.Handler
+import android.util.Log
+import androidx.preference.PreferenceManager
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.dlog
+import co.aospa.dolby.xiaomi.DolbyConstants.DsParam
+import co.aospa.dolby.xiaomi.R
+
+internal class DolbyController private constructor(
+    private val context: Context
+) {
+    private var dolbyEffect = DolbyAudioEffect(EFFECT_PRIORITY, audioSession = 0)
+    private val audioManager = context.getSystemService(AudioManager::class.java)!!
+    private val handler = Handler(context.mainLooper)
+
+    // Restore current profile on every media session
+    private val playbackCallback = object : AudioPlaybackCallback() {
+        override fun onPlaybackConfigChanged(configs: List<AudioPlaybackConfiguration>) {
+            val isPlaying = configs.any {
+                it.playerState == AudioPlaybackConfiguration.PLAYER_STATE_STARTED
+            }
+            dlog(TAG, "onPlaybackConfigChanged: isPlaying=$isPlaying")
+            if (isPlaying)
+                setCurrentProfile()
+        }
+    }
+
+    // Restore current profile on audio device change
+    private val audioDeviceCallback = object : AudioDeviceCallback() {
+        override fun onAudioDevicesAdded(addedDevices: Array<AudioDeviceInfo>) {
+            dlog(TAG, "onAudioDevicesAdded")
+            setCurrentProfile()
+        }
+
+        override fun onAudioDevicesRemoved(removedDevices: Array<AudioDeviceInfo>) {
+            dlog(TAG, "onAudioDevicesRemoved")
+            setCurrentProfile()
+        }
+    }
+
+    private var registerCallbacks = false
+        set(value) {
+            if (field == value) return
+            field = value
+            dlog(TAG, "setRegisterCallbacks($value)")
+            if (value) {
+                audioManager.registerAudioPlaybackCallback(playbackCallback, handler)
+                audioManager.registerAudioDeviceCallback(audioDeviceCallback, handler)
+            } else {
+                audioManager.unregisterAudioPlaybackCallback(playbackCallback)
+                audioManager.unregisterAudioDeviceCallback(audioDeviceCallback)
+            }
+        }
+
+    var dsOn: Boolean
+        get() =
+            dolbyEffect.dsOn.also {
+                dlog(TAG, "getDsOn: $it")
+            }
+        set(value) {
+            dlog(TAG, "setDsOn: $value")
+            checkEffect()
+            dolbyEffect.dsOn = value
+            registerCallbacks = value
+            if (value)
+                setCurrentProfile()
+        }
+
+    var profile: Int
+        get() =
+            dolbyEffect.profile.also {
+                dlog(TAG, "getProfile: $it")
+            }
+        set(value) {
+            dlog(TAG, "setProfile: $value")
+            checkEffect()
+            dolbyEffect.profile = value
+        }
+
+    init {
+        dlog(TAG, "initialized")
+    }
+
+    fun onBootCompleted() {
+        dlog(TAG, "onBootCompleted")
+
+        // Restore our main settings
+        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
+        dsOn = prefs.getBoolean(DolbyConstants.PREF_ENABLE, true)
+
+        context.resources.getStringArray(R.array.dolby_profile_values)
+                .map { it.toInt() }
+                .forEach { profile ->
+                    // Reset dolby first to prevent it from loading bad settings
+                    dolbyEffect.resetProfileSpecificSettings(profile)
+                    // Now restore our profile-specific settings
+                    restoreSettings(profile)
+                }
+
+        // Finally restore the current profile.
+        setCurrentProfile()
+    }
+
+    private fun restoreSettings(profile: Int) {
+        dlog(TAG, "restoreSettings(profile=$profile)")
+        val prefs = context.getSharedPreferences("profile_$profile", Context.MODE_PRIVATE)
+        setPreset(
+            prefs.getString(DolbyConstants.PREF_PRESET, getPreset(profile))!!,
+            profile
+        )
+        setIeqPreset(
+            prefs.getString(
+                DolbyConstants.PREF_IEQ,
+                getIeqPreset(profile).toString()
+            )!!.toInt(),
+            profile
+        )
+        setHeadphoneVirtEnabled(
+            prefs.getBoolean(DolbyConstants.PREF_HP_VIRTUALIZER, getHeadphoneVirtEnabled(profile)),
+            profile
+        )
+        setSpeakerVirtEnabled(
+            prefs.getBoolean(DolbyConstants.PREF_SPK_VIRTUALIZER, getSpeakerVirtEnabled(profile)),
+            profile
+        )
+        setStereoWideningAmount(
+            prefs.getString(
+                DolbyConstants.PREF_STEREO,
+                getStereoWideningAmount(profile).toString()
+            )!!.toInt(),
+            profile
+        )
+        setDialogueEnhancerAmount(
+            prefs.getString(
+                DolbyConstants.PREF_DIALOGUE,
+                getDialogueEnhancerAmount(profile).toString()
+            )!!.toInt(),
+            profile
+        )
+        setBassEnhancerEnabled(
+            prefs.getBoolean(DolbyConstants.PREF_BASS, getBassEnhancerEnabled(profile)),
+            profile
+        )
+        setVolumeLevelerEnabled(
+            prefs.getBoolean(DolbyConstants.PREF_VOLUME, getVolumeLevelerEnabled(profile)),
+            profile
+        )
+    }
+
+    private fun checkEffect() {
+        if (!dolbyEffect.hasControl()) {
+            Log.w(TAG, "lost control, recreating effect")
+            dolbyEffect.release()
+            dolbyEffect = DolbyAudioEffect(EFFECT_PRIORITY, audioSession = 0)
+        }
+    }
+
+    private fun setCurrentProfile() {
+        dlog(TAG, "setCurrentProfile")
+        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
+        profile = prefs.getString(DolbyConstants.PREF_PROFILE, "0" /*dynamic*/)!!.toInt()
+    }
+
+    fun setDsOnAndPersist(dsOn: Boolean) {
+        this.dsOn = dsOn
+        PreferenceManager.getDefaultSharedPreferences(context).edit()
+            .putBoolean(DolbyConstants.PREF_ENABLE, dsOn)
+            .apply()
+    }
+
+    fun getProfileName(): String? {
+        val profile = dolbyEffect.profile.toString()
+        val profiles = context.resources.getStringArray(R.array.dolby_profile_values)
+        val profileIndex = profiles.indexOf(profile)
+        dlog(TAG, "getProfileName: profile=$profile index=$profileIndex")
+        return if (profileIndex == -1) null else context.resources.getStringArray(
+            R.array.dolby_profile_entries
+        )[profileIndex]
+    }
+
+    fun resetProfileSpecificSettings() {
+        dlog(TAG, "resetProfileSpecificSettings")
+        checkEffect()
+        dolbyEffect.resetProfileSpecificSettings()
+        context.deleteSharedPreferences("profile_$profile")
+    }
+
+    fun getPreset(profile: Int = this.profile): String {
+        val gains = dolbyEffect.getDapParameter(DsParam.GEQ_BAND_GAINS, profile)
+        return gains.joinToString(separator = ",").also {
+            dlog(TAG, "getPreset: $it")
+        }
+    }
+
+    fun setPreset(value: String, profile: Int = this.profile) {
+        dlog(TAG, "setPreset: $value")
+        checkEffect()
+        val gains = value.split(",")
+                .map { it.toInt() }
+                .toIntArray()
+        dolbyEffect.setDapParameter(DsParam.GEQ_BAND_GAINS, gains, profile)
+    }
+
+    fun getPresetName(): String {
+        val presets = context.resources.getStringArray(R.array.dolby_preset_values)
+        val presetIndex = presets.indexOf(getPreset())
+        return if (presetIndex == -1) {
+            "Custom"
+        } else {
+            context.resources.getStringArray(
+                R.array.dolby_preset_entries
+            )[presetIndex]
+        }
+    }
+
+    fun getHeadphoneVirtEnabled(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterBool(DsParam.HEADPHONE_VIRTUALIZER, profile).also {
+            dlog(TAG, "getHeadphoneVirtEnabled: $it")
+        }
+
+    fun setHeadphoneVirtEnabled(value: Boolean, profile: Int = this.profile) {
+        dlog(TAG, "setHeadphoneVirtEnabled: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.HEADPHONE_VIRTUALIZER, value, profile)
+    }
+
+    fun getSpeakerVirtEnabled(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterBool(DsParam.SPEAKER_VIRTUALIZER, profile).also {
+            dlog(TAG, "getSpeakerVirtEnabled: $it")
+        }
+
+    fun setSpeakerVirtEnabled(value: Boolean, profile: Int = this.profile) {
+        dlog(TAG, "setSpeakerVirtEnabled: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.SPEAKER_VIRTUALIZER, value, profile)
+    }
+
+    fun getBassEnhancerEnabled(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterBool(DsParam.BASS_ENHANCER_ENABLE, profile).also {
+            dlog(TAG, "getBassEnhancerEnabled: $it")
+        }
+
+    fun setBassEnhancerEnabled(value: Boolean, profile: Int = this.profile) {
+        dlog(TAG, "setBassEnhancerEnabled: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.BASS_ENHANCER_ENABLE, value, profile)
+    }
+
+    fun getVolumeLevelerEnabled(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterBool(DsParam.VOLUME_LEVELER_ENABLE, profile).also {
+            dlog(TAG, "getVolumeLevelerEnabled: $it")
+        }
+
+    fun setVolumeLevelerEnabled(value: Boolean, profile: Int = this.profile) {
+        dlog(TAG, "setVolumeLevelerEnabled: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.VOLUME_LEVELER_ENABLE, value, profile)
+    }
+
+    fun getStereoWideningAmount(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterInt(DsParam.STEREO_WIDENING_AMOUNT, profile).also {
+            dlog(TAG, "getStereoWideningAmount: $it")
+        }
+
+    fun setStereoWideningAmount(value: Int, profile: Int = this.profile) {
+        dlog(TAG, "setStereoWideningAmount: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.STEREO_WIDENING_AMOUNT, value, profile)
+    }
+
+    fun getDialogueEnhancerAmount(profile: Int = this.profile): Int {
+        val enabled = dolbyEffect.getDapParameterBool(DsParam.DIALOGUE_ENHANCER_ENABLE, profile)
+        val amount = if (enabled) {
+            dolbyEffect.getDapParameterInt(DsParam.DIALOGUE_ENHANCER_AMOUNT, profile)
+        } else 0
+        dlog(TAG, "getDialogueEnhancerAmount: enabled=$enabled amount=$amount")
+        return amount
+    }
+
+    fun setDialogueEnhancerAmount(value: Int, profile: Int = this.profile) {
+        dlog(TAG, "setDialogueEnhancerAmount: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.DIALOGUE_ENHANCER_ENABLE, (value > 0), profile)
+        dolbyEffect.setDapParameter(DsParam.DIALOGUE_ENHANCER_AMOUNT, value, profile)
+    }
+
+    fun getIeqPreset(profile: Int = this.profile) =
+        dolbyEffect.getDapParameterInt(DsParam.IEQ_PRESET, profile).also {
+            dlog(TAG, "getIeqPreset: $it")
+        }
+
+    fun setIeqPreset(value: Int, profile: Int = this.profile) {
+        dlog(TAG, "setIeqPreset: $value")
+        checkEffect()
+        dolbyEffect.setDapParameter(DsParam.IEQ_PRESET, value, profile)
+    }
+
+    companion object {
+        private const val TAG = "DolbyController"
+        private const val EFFECT_PRIORITY = 100
+
+        @Volatile
+        private var instance: DolbyController? = null
+
+        fun getInstance(context: Context) =
+            instance ?: synchronized(this) {
+                instance ?: DolbyController(context).also { instance = it }
+            }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/DolbyTileService.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.service.quicksettings.Tile
+import android.service.quicksettings.TileService
+
+private const val TAG = "DolbyTileService"
+
+class DolbyTileService : TileService() {
+
+    private val dolbyController by lazy { DolbyController.getInstance(applicationContext) }
+
+    override fun onStartListening() {
+        qsTile.apply {
+            state = if (dolbyController.dsOn) Tile.STATE_ACTIVE else Tile.STATE_INACTIVE
+            subtitle = dolbyController.getProfileName() ?: getString(R.string.dolby_unknown)
+            updateTile()
+        }
+        super.onStartListening()
+    }
+
+    override fun onClick() {
+        val isDsOn = dolbyController.dsOn
+        dolbyController.setDsOnAndPersist(!isDsOn) // toggle
+        qsTile.apply {
+            state = if (isDsOn) Tile.STATE_INACTIVE else Tile.STATE_ACTIVE
+            updateTile()
+        }
+        super.onClick()
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/SummaryProvider.kt

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *           (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.net.Uri
+import android.os.Bundle
+import co.aospa.dolby.xiaomi.R
+import com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_SUMMARY
+
+private const val KEY_DOLBY = "dolby"
+
+/** Provide preference summary for injected items. */
+class SummaryProvider : ContentProvider() {
+
+    override fun call(
+        method: String,
+        arg: String?,
+        extras: Bundle?
+    ): Bundle? {
+        val summary = when (method) {
+            KEY_DOLBY -> getDolbySummary()
+            else -> return null
+        }
+        return Bundle().apply {
+            putString(META_DATA_PREFERENCE_SUMMARY, summary)
+        }
+    }
+
+    override fun onCreate(): Boolean = true
+
+    override fun query(
+        uri: Uri,
+        projection: Array<String>?,
+        selection: String?,
+        selectionArgs: Array<String>?,
+        sortOrder: String?
+    ): Cursor? = null
+
+    override fun getType(uri: Uri): String? = null
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri? = null
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int = 0
+
+    override fun update(
+        uri: Uri,
+        values: ContentValues?,
+        selection: String?,
+        selectionArgs: Array<String>?
+    ): Int = 0
+
+    private fun getDolbySummary(): String {
+        val context = context!!
+        val dolbyController = DolbyController.getInstance(context)
+        if (!dolbyController.dsOn) {
+            return context.getString(R.string.dolby_off)
+        }
+        return dolbyController.getProfileName()?.let {
+            context.getString(R.string.dolby_on_with_profile, it)
+        } ?: context.getString(R.string.dolby_on)
+    }
+
+}

dolby/src/co/aospa/dolby/xiaomi/geq/EqualizerActivity.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.viewModels
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.navigation.compose.rememberNavController
+import co.aospa.dolby.xiaomi.R
+import co.aospa.dolby.xiaomi.geq.ui.EqualizerScreen
+import co.aospa.dolby.xiaomi.geq.ui.EqualizerViewModel
+import com.android.settingslib.spa.framework.compose.localNavController
+import com.android.settingslib.spa.framework.theme.SettingsTheme
+import com.android.settingslib.spa.widget.scaffold.SettingsScaffold
+
+class EqualizerActivity : ComponentActivity() {
+
+    private val viewModel: EqualizerViewModel by viewModels { EqualizerViewModel.Factory }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            SettingsTheme {
+                MainContent()
+            }
+        }
+    }
+
+    @Composable
+    private fun MainContent() {
+        val navController = rememberNavController()
+        CompositionLocalProvider(navController.localNavController()) {
+            SettingsScaffold(
+                title = stringResource(id = R.string.dolby_preset)
+            ) { paddingValues ->
+                EqualizerScreen(
+                    viewModel = viewModel,
+                    modifier = Modifier.padding(paddingValues)
+                )
+            }
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/data/BandGain.kt

@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.data
+
+data class BandGain(
+    val band: Int,
+    var gain: Int = 0
+)

dolby/src/co/aospa/dolby/xiaomi/geq/data/EqualizerRepository.kt

@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.data
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.util.Log
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_PRESET
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.dlog
+import co.aospa.dolby.xiaomi.DolbyController
+import co.aospa.dolby.xiaomi.R
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.withContext
+
+class EqualizerRepository(
+    private val context: Context
+) {
+
+    private val dolbyController by lazy { DolbyController.getInstance(context) }
+
+    // Preset is saved as a string of comma separated gains in SharedPreferences
+    // and is unique to each profile ID
+    private val profile = dolbyController.profile
+    private val profileSharedPrefs by lazy {
+        context.getSharedPreferences(
+            "profile_$profile",
+            Context.MODE_PRIVATE
+        )
+    }
+
+    private val presetsSharedPrefs by lazy {
+        context.getSharedPreferences(
+            "presets",
+            Context.MODE_PRIVATE
+        )
+    }
+
+    val builtInPresets: List<Preset> by lazy {
+        val names = context.resources.getStringArray(
+            R.array.dolby_preset_entries
+        )
+        val presets = context.resources.getStringArray(
+            R.array.dolby_preset_values
+        )
+        List(names.size) { index ->
+            Preset(
+                name = names[index],
+                bandGains = deserializeGains(presets[index]),
+            )
+        }
+    }
+
+    val defaultPreset by lazy { builtInPresets[0] } // Flat
+
+    // User defined presets are stored in a SharedPreferences as
+    // key - preset name
+    // value - comma separated string of gains
+    val userPresets: Flow<List<Preset>> = callbackFlow {
+        val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, _ ->
+            dlog(TAG, "presetsSharedPrefs changed")
+            trySend(
+                presetsSharedPrefs.all.map { (key, value) ->
+                    Preset(
+                        name = key,
+                        bandGains = deserializeGains(value.toString()),
+                        isUserDefined = true
+                    )
+                }
+            )
+        }
+
+        presetsSharedPrefs.registerOnSharedPreferenceChangeListener(listener)
+        dlog(TAG, "presetsSharedPrefs registered listener")
+        // trigger an initial emission
+        listener.onSharedPreferenceChanged(presetsSharedPrefs, null)
+
+        awaitClose {
+            presetsSharedPrefs.unregisterOnSharedPreferenceChangeListener(listener)
+            dlog(TAG, "presetsSharedPrefs unregistered listener")
+        }
+    }
+
+    suspend fun getBandGains(): List<BandGain> = withContext(Dispatchers.IO) {
+        val gains = profileSharedPrefs.getString(PREF_PRESET, dolbyController.getPreset())
+        return@withContext if (gains.isNullOrEmpty()) {
+            defaultPreset.bandGains
+        } else {
+            deserializeGains(gains)
+        }.also {
+            dlog(TAG, "getBandGains: $it")
+        }
+    }
+
+    suspend fun setBandGains(bandGains: List<BandGain>) = withContext(Dispatchers.IO) {
+        dlog(TAG, "setBandGains($bandGains)")
+        val gains = serializeGains(bandGains)
+        dolbyController.setPreset(gains)
+        profileSharedPrefs.edit()
+            .putString(PREF_PRESET, gains)
+            .apply()
+    }
+
+    suspend fun addPreset(preset: Preset) = withContext(Dispatchers.IO) {
+        dlog(TAG, "addPreset($preset)")
+        presetsSharedPrefs.edit()
+            .putString(preset.name, serializeGains(preset.bandGains))
+            .apply()
+    }
+
+    suspend fun removePreset(preset: Preset) = withContext(Dispatchers.IO) {
+        dlog(TAG, "removePreset($preset)")
+        presetsSharedPrefs.edit()
+            .remove(preset.name)
+            .apply()
+    }
+
+    private companion object {
+        const val TAG = "EqRepository"
+
+        val tenBandFreqs = intArrayOf(
+            32,
+            64,
+            125,
+            250,
+            500,
+            1000,
+            2000,
+            4000,
+            8000,
+            16000
+        )
+
+        fun deserializeGains(bandGains: String): List<BandGain> {
+            val gains: List<Int> =
+                bandGains.split(",").runCatching {
+                    require(size == 20) {
+                        "Preset must have 20 elements, has only $size!"
+                    }
+                    map { it.toInt() }
+                        .twentyToTenBandGains()
+                }.onFailure { exception ->
+                    Log.e(TAG, "Failed to parse preset", exception)
+                }.getOrDefault(
+                    // fallback to flat
+                    List<Int>(10) { 0 }
+                )
+            return List(10) { index ->
+                BandGain(
+                    band = tenBandFreqs[index],
+                    gain = gains[index]
+                )
+            }
+        }
+
+        fun serializeGains(bandGains: List<BandGain>): String {
+            return bandGains.map { it.gain }
+                .tenToTwentyBandGains()
+                .joinToString(",")
+        }
+
+        // we show only 10 bands in UI however backend requires 20 bands
+        fun List<Int>.tenToTwentyBandGains() =
+            List<Int>(20) { index ->
+                if (index % 2 == 1 && index < 19) {
+                    // every odd element is the average of its surrounding elements
+                    (this[(index - 1) / 2] + this[(index + 1) / 2]) / 2
+                } else {
+                    this[index / 2]
+                }
+            }
+
+        fun List<Int>.twentyToTenBandGains() =
+            // skip every odd element
+            filterIndexed { index, _ -> index % 2 == 0 }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/data/Preset.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.data
+
+data class Preset(
+    var name: String,
+    val bandGains: List<BandGain>,
+    var isUserDefined: Boolean = false,
+    var isMutated: Boolean = false
+)

dolby/src/co/aospa/dolby/xiaomi/geq/ui/BandGainSlider.kt

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.material3.Slider
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.TransformOrigin
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.layout.layout
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import co.aospa.dolby.xiaomi.geq.data.BandGain
+
+@Composable
+fun BandGainSlider(
+    bandGain: BandGain,
+    onValueChangeFinished: (Int) -> Unit
+) {
+    // Gain range is of -1->1 in UI, -100->100 in backend, but actually is -10->10 dB.
+
+    // Ensure we update the slider when gain is changed,
+    // for eg. when changing the preset
+    var sliderPosition by remember(bandGain.gain) {
+        mutableFloatStateOf(bandGain.gain / 100f)
+    }
+
+    Column(
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        SliderText(
+            "%.1f".format(sliderPosition * 10f)
+        )
+        Slider(
+            value = sliderPosition,
+            onValueChange = { sliderPosition = it },
+            onValueChangeFinished = {
+                onValueChangeFinished((sliderPosition * 100f).toInt())
+            },
+            valueRange = -1f..1f,
+            modifier = Modifier
+                .graphicsLayer {
+                    rotationZ = 270f
+                    transformOrigin = TransformOrigin(0f, 0f)
+                }
+                .layout { measurable, constraints ->
+                    val placeable = measurable.measure(
+                        Constraints(
+                            minWidth = constraints.minHeight,
+                            maxWidth = constraints.maxHeight,
+                            minHeight = constraints.minWidth,
+                            maxHeight = constraints.maxHeight,
+                        )
+                    )
+                    layout(placeable.height, placeable.width) {
+                        placeable.place(-placeable.width, 0)
+                    }
+                }
+                // horizontal and vertical dimensions are inverted due to rotation
+                .width(200.dp)
+                .height(40.dp)
+                .padding(8.dp)
+        )
+        SliderText(
+            with(bandGain.band) {
+                if (this >= 1000) {
+                    "${this / 1000}k"
+                } else {
+                    "$this"
+                }
+            }
+        )
+    }
+}
+
+@Composable
+fun SliderText(
+    text: String,
+    modifier: Modifier = Modifier
+) {
+    Text(
+        text = text,
+        modifier = modifier,
+        fontSize = 12.sp
+    )
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/BandGainSliderLabels.kt

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import co.aospa.dolby.xiaomi.R
+
+@Composable
+fun BandGainSliderLabels() {
+    Column(
+        horizontalAlignment = Alignment.End,
+        modifier = Modifier.padding(end = 8.dp)
+    ) {
+        LabelText(
+            stringResource(id = R.string.dolby_geq_slider_label_gain)
+        )
+        Column(
+            modifier = Modifier.height(200.dp),
+            horizontalAlignment = Alignment.End
+        ) {
+            LabelText(
+                "+10 dB",
+                modifier = Modifier.padding(
+                    top = 10.dp
+                )
+            )
+            Spacer(
+                modifier = Modifier.weight(1f)
+            )
+            LabelText("0 dB")
+            Spacer(
+                modifier = Modifier.weight(1f)
+            )
+            LabelText(
+                "-10 dB",
+                modifier = Modifier.padding(
+                    bottom = 10.dp
+                )
+            )
+        }
+        LabelText("Hz")
+    }
+}
+
+@Composable
+fun LabelText(
+    text: String,
+    modifier: Modifier = Modifier
+) {
+    Text(
+        text = text,
+        modifier = modifier,
+        color = MaterialTheme.colorScheme.secondary,
+        fontSize = 12.sp
+    )
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/ConfirmationDialog.kt

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.res.stringResource
+
+@Composable
+fun ConfirmationDialog(
+    text: String,
+    onConfirm: () -> Unit,
+    onDismiss: () -> Unit
+) {
+    var showDialog by remember { mutableStateOf(true) }
+    if (!showDialog) {
+        onDismiss()
+        return
+    }
+
+    AlertDialog(
+        onDismissRequest = { showDialog = false },
+        confirmButton = {
+            TextButton(
+                onClick = {
+                    showDialog = false
+                    onConfirm()
+                }
+            ) {
+                Text(
+                    stringResource(id = android.R.string.ok)
+                )
+            }
+        },
+        dismissButton = {
+            TextButton(
+                onClick = { showDialog = false }
+            ) {
+                Text(
+                    stringResource(id = android.R.string.cancel)
+                )
+            }
+        },
+        text = {
+            Text(text)
+        }
+    )
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/EqualizerBands.kt

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+
+@Composable
+fun EqualizerBands(viewModel: EqualizerViewModel) {
+    val preset by viewModel.preset.collectAsState()
+    val bandGains = preset.bandGains
+
+    LazyRow(
+        verticalAlignment = Alignment.CenterVertically,
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        item {
+            BandGainSliderLabels()
+        }
+        items(bandGains.size) { index ->
+            BandGainSlider(
+                bandGains[index],
+                onValueChangeFinished = {
+                    viewModel.setGain(index, it)
+                }
+            )
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/EqualizerScreen.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.android.settingslib.spa.framework.theme.settingsBackground
+import com.android.settingslib.spa.framework.theme.SettingsDimension
+
+@Composable
+fun EqualizerScreen(
+    viewModel: EqualizerViewModel,
+    modifier: Modifier = Modifier
+) {
+    Surface(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(SettingsDimension.itemPadding)
+            .then(modifier),
+        color = MaterialTheme.colorScheme.settingsBackground
+    ) {
+        Column(
+            verticalArrangement = Arrangement.Top,
+            modifier = Modifier.fillMaxHeight()
+        ) {
+            PresetSelector(viewModel = viewModel)
+            EqualizerBands(viewModel = viewModel)
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/EqualizerViewModel.kt

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import androidx.lifecycle.viewmodel.initializer
+import androidx.lifecycle.viewmodel.viewModelFactory
+import co.aospa.dolby.xiaomi.geq.data.EqualizerRepository
+import co.aospa.dolby.xiaomi.geq.data.Preset
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.dlog
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.drop
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.launch
+
+const val TAG = "EqViewModel"
+
+class EqualizerViewModel(
+    private val repository: EqualizerRepository
+) : ViewModel() {
+
+    private val _presets = MutableStateFlow(repository.builtInPresets)
+    val presets = _presets.asStateFlow()
+
+    private val _preset = MutableStateFlow(repository.defaultPreset)
+    val preset = _preset.asStateFlow()
+
+    private var presetRestored = false
+
+    init {
+        // Update the list of presets: combined list of user defined presets if any,
+        // and then the built in presets.
+        repository.userPresets
+            .onEach { presets ->
+                dlog(TAG, "updated userPresets: $presets")
+                _presets.value = mutableListOf<Preset>().apply {
+                    addAll(presets)
+                    addAll(repository.builtInPresets)
+                }.toList()
+
+                // We can restore the active preset only after the presets list is populated,
+                // since we do not save the preset name but only its gains.
+                if (!presetRestored) {
+                    val bandGains = repository.getBandGains()
+                    _preset.value = _presets.value.find {
+                        bandGains == it.bandGains
+                    } ?: Preset(
+                        name = "Custom",
+                        bandGains = bandGains
+                    )
+                    dlog(TAG, "restored preset: ${_preset.value}")
+                    presetRestored = true
+                }
+            }
+            .launchIn(viewModelScope)
+
+        // Update the preset in repository everytime we set it here
+        _preset
+            .drop(1) // skip the initial value
+            .onEach {
+                // wait till the active preset is restored
+                if (!presetRestored) {
+                    return@onEach
+                }
+                dlog(TAG, "updated preset: $it")
+                repository.setBandGains(it.bandGains)
+                if (it.isUserDefined) {
+                    repository.addPreset(it)
+                }
+            }
+            .launchIn(viewModelScope)
+    }
+
+    fun reset() {
+        dlog(TAG, "reset()")
+        if (_preset.value.isUserDefined) {
+            // Reset gains to 0
+            _preset.value = _preset.value.copy(
+                bandGains = repository.defaultPreset.bandGains
+            )
+        } else {
+            // Switch to flat preset
+            _preset.value = repository.defaultPreset
+        }
+    }
+
+    fun setPreset(preset: Preset) {
+        dlog(TAG, "setPreset($preset)")
+        _preset.value = preset
+    }
+
+    fun setGain(index: Int, gain: Int) {
+        dlog(TAG, "setGain($index, $gain)")
+        _preset.value = _preset.value.run {
+            copy(
+                name = if (!isUserDefined) "Custom" else name,
+                bandGains = bandGains
+                    .toMutableList()
+                    // create a new object to ensure the flow emits an update.
+                    .apply { this[index] = this[index].copy(gain = gain) }
+                    .toList(),
+                isMutated = true
+            )
+        }
+    }
+
+    // Returns string containing the error message if it failed, otherwise null
+    private fun validatePresetName(name: String): PresetNameValidationError? {
+        // Ensure we don't have another preset with the same name
+        return if (
+            _presets.value
+            .any { it.name.equals(name.trim(), ignoreCase = true) }
+        ) {
+            PresetNameValidationError.NAME_EXISTS
+        } else if (name.length > 50) {
+            PresetNameValidationError.NAME_TOO_LONG
+        } else null
+    }
+
+    fun createNewPreset(name: String): PresetNameValidationError? {
+        dlog(TAG, "createNewPreset($name)")
+        validatePresetName(name)?.let {
+            dlog(TAG, "createNewPreset failed: $it")
+            return it
+        }
+        _preset.value = _preset.value.copy(
+            name = name.trim(),
+            isUserDefined = true,
+            isMutated = false
+        )
+        return null
+    }
+
+    fun renamePreset(preset: Preset, name: String): PresetNameValidationError? {
+        dlog(TAG, "renamePreset($preset, $name)")
+        // create a preset with the new name and same gains
+        createNewPreset(name = name)?.let {
+            dlog(TAG, "renamePreset failed")
+            return it
+        }
+        // and delete the old one.
+        deletePreset(preset, shouldReset = false)
+        return null
+    }
+
+    fun deletePreset(preset: Preset, shouldReset: Boolean = true) {
+        dlog(TAG, "deletePreset($preset)")
+        viewModelScope.launch {
+            repository.removePreset(preset)
+        }
+        if (shouldReset) {
+            _preset.value = repository.defaultPreset
+        }
+    }
+
+    companion object {
+        val Factory = viewModelFactory {
+            initializer {
+                EqualizerViewModel(
+                    repository = EqualizerRepository(
+                        this[ViewModelProvider.AndroidViewModelFactory.APPLICATION_KEY]!!
+                    )
+                )
+            }
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/PresetNameDialog.kt

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import co.aospa.dolby.xiaomi.R
+
+@Composable
+fun PresetNameDialog(
+    title: String,
+    presetName: String = "",
+    onPresetNameSet: (String) -> PresetNameValidationError?,
+    onDismissDialog: () -> Unit
+) {
+    var showDialog by remember { mutableStateOf(true) }
+    if (!showDialog) {
+        onDismissDialog()
+        return
+    }
+    var text by remember { mutableStateOf(presetName) }
+    var error by remember { mutableStateOf<PresetNameValidationError?>(null) }
+
+    AlertDialog(
+        onDismissRequest = { showDialog = false },
+        confirmButton = {
+            TextButton(
+                onClick = {
+                    onPresetNameSet(text)?.let {
+                        // validation failed
+                        error = it
+                        return@TextButton
+                    }
+                    // succeeded
+                    showDialog = false
+                    error = null
+                }
+            ) {
+                Text(
+                    stringResource(id = android.R.string.ok)
+                )
+            }
+        },
+        dismissButton = {
+            TextButton(
+                onClick = { showDialog = false }
+            ) {
+                Text(
+                    stringResource(id = android.R.string.cancel)
+                )
+            }
+        },
+        title = { Text(title) },
+        text = {
+            Column {
+                OutlinedTextField(
+                    value = text,
+                    onValueChange = { text = it },
+                    label = {
+                        Text(
+                            stringResource(id = R.string.dolby_geq_preset_name)
+                        )
+                    },
+                    isError = error != null,
+                    singleLine = true
+                )
+                error?.let {
+                    Text(
+                        text = it.toErrorMessage(),
+                        color = MaterialTheme.colorScheme.error,
+                        modifier = Modifier.padding(top = 8.dp)
+                    )
+                }
+            }
+        }
+    )
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/PresetNameValidationError.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import co.aospa.dolby.xiaomi.R
+
+enum class PresetNameValidationError {
+    NAME_EXISTS,
+    NAME_TOO_LONG;
+
+    @Composable
+    fun toErrorMessage() =
+        stringResource(
+            id = when (this) {
+                NAME_EXISTS -> R.string.dolby_geq_preset_name_exists
+                NAME_TOO_LONG -> R.string.dolby_geq_preset_name_too_long
+            }
+        )
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/PresetSelector.kt

@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Edit
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.focusProperties
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.unit.dp
+import co.aospa.dolby.xiaomi.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun PresetSelector(viewModel: EqualizerViewModel) {
+    val presets by viewModel.presets.collectAsState()
+    val currentPreset by viewModel.preset.collectAsState()
+    var expanded by remember { mutableStateOf(false) }
+    var showNewPresetDialog by remember { mutableStateOf(false) }
+    var showRenamePresetDialog by remember { mutableStateOf(false) }
+    var showDeleteConfirmDialog by remember { mutableStateOf(false) }
+    var showResetConfirmDialog by remember { mutableStateOf(false) }
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(bottom = 24.dp),
+        horizontalArrangement = Arrangement.Start,
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        ExposedDropdownMenuBox(
+            expanded = expanded,
+            onExpandedChange = { expanded = !expanded },
+            modifier = Modifier
+                .padding(end = 8.dp)
+                .weight(1f)
+        ) {
+            TextField(
+                value = currentPreset.name,
+                onValueChange = { },
+                readOnly = true,
+                label = {
+                    Text(
+                        stringResource(id = R.string.dolby_geq_preset)
+                    )
+                },
+                singleLine = true,
+                trailingIcon = {
+                    ExposedDropdownMenuDefaults.TrailingIcon(
+                        expanded = expanded
+                    )
+                },
+                colors = ExposedDropdownMenuDefaults.textFieldColors(),
+                modifier = Modifier.menuAnchor()
+                    // prevent keyboard from popping up
+                    .focusProperties { canFocus = false }
+            )
+            ExposedDropdownMenu(
+                expanded = expanded,
+                onDismissRequest = { expanded = false }
+            ) {
+                presets.forEach { preset ->
+                    DropdownMenuItem(
+                        text = { Text(text = preset.name) },
+                        onClick = {
+                            viewModel.setPreset(preset)
+                            expanded = false
+                        }
+                    )
+                }
+            }
+        }
+
+        TooltipIconButton(
+            icon = ImageVector.vectorResource(
+                id = R.drawable.save_as_24px
+            ),
+            text = stringResource(id = R.string.dolby_geq_new_preset),
+            onClick = { showNewPresetDialog = true }
+        )
+
+        if (currentPreset.isUserDefined) {
+            TooltipIconButton(
+                icon = Icons.Default.Edit,
+                text = stringResource(id = R.string.dolby_geq_rename_preset),
+                onClick = { showRenamePresetDialog = true }
+            )
+            TooltipIconButton(
+                icon = Icons.Default.Delete,
+                text = stringResource(id = R.string.dolby_geq_delete_preset),
+                onClick = { showDeleteConfirmDialog = true }
+            )
+        }
+
+        TooltipIconButton(
+            icon = ImageVector.vectorResource(
+                id = R.drawable.reset_settings_24px
+            ),
+            text = stringResource(id = R.string.dolby_geq_reset_gains),
+            onClick = {
+                if (currentPreset.isUserDefined) {
+                    showResetConfirmDialog = true
+                } else {
+                    viewModel.reset()
+                }
+            }
+        )
+    }
+
+    // Dialogs
+
+    if (showNewPresetDialog) {
+        PresetNameDialog(
+            title = stringResource(id = R.string.dolby_geq_new_preset),
+            onPresetNameSet = {
+                return@PresetNameDialog viewModel.createNewPreset(name = it)
+            },
+            onDismissDialog = { showNewPresetDialog = false }
+        )
+    }
+
+    if (showRenamePresetDialog) {
+        PresetNameDialog(
+            title = stringResource(id = R.string.dolby_geq_rename_preset),
+            presetName = currentPreset.name,
+            onPresetNameSet = {
+                return@PresetNameDialog viewModel.renamePreset(
+                    preset = currentPreset,
+                    name = it
+                )
+            },
+            onDismissDialog = { showRenamePresetDialog = false }
+        )
+    }
+
+    if (showDeleteConfirmDialog) {
+        ConfirmationDialog(
+            text = stringResource(id = R.string.dolby_geq_delete_preset_prompt),
+            onConfirm = { viewModel.deletePreset(currentPreset) },
+            onDismiss = { showDeleteConfirmDialog = false }
+        )
+    }
+
+    if (showResetConfirmDialog) {
+        ConfirmationDialog(
+            text = stringResource(id = R.string.dolby_geq_reset_gains_prompt),
+            onConfirm = { viewModel.reset() },
+            onDismiss = { showResetConfirmDialog = false }
+        )
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/geq/ui/TooltipIconButton.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.geq.ui
+
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TooltipBox
+import androidx.compose.material3.TooltipDefaults
+import androidx.compose.material3.rememberTooltipState
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.unit.dp
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TooltipIconButton(
+    icon: ImageVector,
+    text: String,
+    onClick: () -> Unit
+) {
+    TooltipBox(
+        positionProvider = TooltipDefaults.rememberTooltipPositionProvider(),
+        tooltip = {
+            Text(text)
+        },
+        state = rememberTooltipState()
+    ) {
+        IconButton(
+            onClick = onClick
+        ) {
+            Icon(
+                imageVector = icon,
+                contentDescription = text,
+                modifier = Modifier.size(24.dp)
+            )
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/preference/DolbyIeqPreference.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.preference
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import android.widget.ImageView
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.preference.ListPreference
+import androidx.preference.PreferenceViewHolder
+import co.aospa.dolby.xiaomi.R
+
+// Preference with icon on the right side
+class DolbyIeqPreference(
+    context: Context,
+    attrs: AttributeSet?,
+) : ListPreference(context, attrs) {
+
+    init {
+        widgetLayoutResource = R.layout.ieq_icon_layout
+    }
+
+    override fun onBindViewHolder(holder: PreferenceViewHolder) {
+        super.onBindViewHolder(holder)
+        val iconView = holder.findViewById(R.id.ieq_icon)!! as ImageView
+        val icon = AppCompatResources.getDrawable(context, getIeqIconResId())
+        iconView.setImageDrawable(icon)
+    }
+
+    private fun getIeqIconResId(): Int {
+        val ieqValue = value?.toIntOrNull() ?: 0
+        return when (ieqValue) {
+            0 -> R.drawable.ic_ieq_off
+            1 -> R.drawable.ic_ieq_balanced
+            2 -> R.drawable.ic_ieq_warm
+            3 -> R.drawable.ic_ieq_detailed
+            else -> 0 // should never hit this!
+        }
+    }
+}

dolby/src/co/aospa/dolby/xiaomi/preference/DolbyPreferenceStore.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.preference
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.preference.PreferenceDataStore
+import androidx.preference.PreferenceManager
+import co.aospa.dolby.xiaomi.DolbyConstants
+
+class DolbyPreferenceStore(
+    private val context: Context
+) : PreferenceDataStore() {
+
+    private val defaultSharedPrefs by lazy {
+        PreferenceManager.getDefaultSharedPreferences(context)
+    }
+
+    private lateinit var profileSharedPrefs: SharedPreferences
+
+    var profile = 0
+        set(value) {
+            field = value
+            profileSharedPrefs = context.getSharedPreferences(
+                "profile_$value",
+                Context.MODE_PRIVATE
+            )
+        }
+
+    private fun getSharedPreferences(key: String) =
+        if (DolbyConstants.PROFILE_SPECIFIC_PREFS.contains(key)) {
+            profileSharedPrefs
+        } else {
+            defaultSharedPrefs
+        }
+
+    override fun putBoolean(key: String, value: Boolean) =
+        getSharedPreferences(key).edit()
+                .putBoolean(key, value)
+                .apply()
+
+    override fun getBoolean(key: String, defValue: Boolean) =
+        getSharedPreferences(key).getBoolean(key, defValue)
+
+    override fun putInt(key: String, value: Int) =
+        getSharedPreferences(key).edit()
+                .putInt(key, value)
+                .apply()
+
+    override fun getInt(key: String, defValue: Int) =
+        getSharedPreferences(key).getInt(key, defValue)
+
+    override fun putString(key: String, value: String?) =
+        getSharedPreferences(key).edit()
+                .putString(key, value)
+                .apply()
+
+    override fun getString(key: String, defValue: String?) =
+        getSharedPreferences(key).getString(key, defValue)
+}

dolby/src/co/aospa/dolby/xiaomi/preference/DolbySettingsFragment.kt

@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2023-24 Paranoid Android
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package co.aospa.dolby.xiaomi.preference
+
+import android.content.Context
+import android.media.AudioAttributes
+import android.media.AudioDeviceCallback
+import android.media.AudioDeviceInfo
+import android.media.AudioManager
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.view.View
+import android.widget.CompoundButton
+import android.widget.Toast
+import androidx.preference.ListPreference
+import androidx.preference.Preference
+import androidx.preference.SwitchPreferenceCompat
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_BASS
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_DIALOGUE
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_ENABLE
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_HP_VIRTUALIZER
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_IEQ
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_PRESET
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_PROFILE
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_RESET
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_SPK_VIRTUALIZER
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_STEREO
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.PREF_VOLUME
+import co.aospa.dolby.xiaomi.DolbyConstants.Companion.dlog
+import co.aospa.dolby.xiaomi.DolbyController
+import co.aospa.dolby.xiaomi.R
+import com.android.settingslib.widget.MainSwitchPreference
+import com.android.settingslib.widget.SettingsBasePreferenceFragment
+
+class DolbySettingsFragment : SettingsBasePreferenceFragment(),
+    Preference.OnPreferenceChangeListener, CompoundButton.OnCheckedChangeListener {
+
+    private val appContext: Context
+        get() = requireContext().applicationContext
+
+    private val switchBar by lazy { findPreference<MainSwitchPreference>(PREF_ENABLE)!! }
+    private val profilePref by lazy { findPreference<ListPreference>(PREF_PROFILE)!! }
+    private val presetPref by lazy { findPreference<Preference>(PREF_PRESET)!! }
+    private val ieqPref by lazy { findPreference<DolbyIeqPreference>(PREF_IEQ)!! }
+    private val stereoPref by lazy { findPreference<ListPreference>(PREF_STEREO)!! }
+    private val dialoguePref by lazy { findPreference<ListPreference>(PREF_DIALOGUE)!! }
+    private val bassPref by lazy { findPreference<SwitchPreferenceCompat>(PREF_BASS)!! }
+    private val hpVirtPref by lazy { findPreference<SwitchPreferenceCompat>(PREF_HP_VIRTUALIZER)!! }
+    private val spkVirtPref by lazy { findPreference<SwitchPreferenceCompat>(PREF_SPK_VIRTUALIZER)!! }
+    private val volumePref by lazy { findPreference<SwitchPreferenceCompat>(PREF_VOLUME)!! }
+    private val resetPref by lazy { findPreference<Preference>(PREF_RESET)!! }
+
+    private val dolbyController by lazy(LazyThreadSafetyMode.NONE) {
+        DolbyController.getInstance(appContext)
+    }
+    private val audioManager by lazy(LazyThreadSafetyMode.NONE) {
+        appContext.getSystemService(AudioManager::class.java)
+    }
+    private val handler = Handler(Looper.getMainLooper())
+
+    private var isOnSpeaker = true
+        set(value) {
+            if (field == value) return
+            field = value
+            dlog(TAG, "setIsOnSpeaker($value)")
+            updateProfileSpecificPrefs()
+        }
+
+    private val audioDeviceCallback = object : AudioDeviceCallback() {
+        override fun onAudioDevicesAdded(addedDevices: Array<AudioDeviceInfo>) {
+            dlog(TAG, "onAudioDevicesAdded")
+            updateSpeakerState()
+        }
+
+        override fun onAudioDevicesRemoved(removedDevices: Array<AudioDeviceInfo>) {
+            dlog(TAG, "onAudioDevicesRemoved")
+            updateSpeakerState()
+        }
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        dlog(TAG, "onCreatePreferences")
+        setPreferencesFromResource(R.xml.dolby_settings, rootKey)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        val profile = dolbyController.profile
+        preferenceManager.preferenceDataStore = DolbyPreferenceStore(appContext).also {
+            it.profile = profile
+        }
+
+        val dsOn = dolbyController.dsOn
+        switchBar.addOnSwitchChangeListener(this)
+        switchBar.isChecked = dsOn
+
+        profilePref.onPreferenceChangeListener = this
+        updateProfileIcon(profile)
+        profilePref.isEnabled = dsOn
+        profilePref.apply {
+            if (entryValues.contains(profile.toString())) {
+                summary = "%s"
+                value = profile.toString()
+            } else {
+                summary = getString(R.string.dolby_unknown)
+            }
+        }
+
+        hpVirtPref.onPreferenceChangeListener = this
+        spkVirtPref.onPreferenceChangeListener = this
+        stereoPref.onPreferenceChangeListener = this
+        dialoguePref.onPreferenceChangeListener = this
+        bassPref.onPreferenceChangeListener = this
+        volumePref.onPreferenceChangeListener = this
+        ieqPref.onPreferenceChangeListener = this
+
+        resetPref.setOnPreferenceClickListener {
+            dolbyController.resetProfileSpecificSettings()
+            updateProfileSpecificPrefs()
+            Toast.makeText(
+                appContext,
+                getString(R.string.dolby_reset_profile_toast, profilePref.summary),
+                Toast.LENGTH_SHORT
+            ).show()
+            true
+        }
+
+        audioManager?.registerAudioDeviceCallback(audioDeviceCallback, handler)
+        updateSpeakerState()
+        updateProfileSpecificPrefs()
+    }
+
+    override fun onDestroyView() {
+        dlog(TAG, "onDestroyView")
+        audioManager?.unregisterAudioDeviceCallback(audioDeviceCallback)
+        super.onDestroyView()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateProfileSpecificPrefs()
+    }
+
+    override fun onPreferenceChange(preference: Preference, newValue: Any): Boolean {
+        dlog(TAG, "onPreferenceChange: key=${preference.key} value=$newValue")
+        when (preference.key) {
+            PREF_PROFILE -> {
+                val profile = newValue.toString().toInt()
+                dolbyController.profile = profile
+                (preferenceManager.preferenceDataStore as DolbyPreferenceStore).profile = profile
+                updateProfileIcon(profile)
+                updateProfileSpecificPrefs()
+            }
+            PREF_SPK_VIRTUALIZER -> dolbyController.setSpeakerVirtEnabled(newValue as Boolean)
+            PREF_HP_VIRTUALIZER -> dolbyController.setHeadphoneVirtEnabled(newValue as Boolean)
+            PREF_STEREO -> dolbyController.setStereoWideningAmount(newValue.toString().toInt())
+            PREF_DIALOGUE -> dolbyController.setDialogueEnhancerAmount(newValue.toString().toInt())
+            PREF_BASS -> dolbyController.setBassEnhancerEnabled(newValue as Boolean)
+            PREF_VOLUME -> dolbyController.setVolumeLevelerEnabled(newValue as Boolean)
+            PREF_IEQ -> dolbyController.setIeqPreset(newValue.toString().toInt())
+            else -> return false
+        }
+        return true
+    }
+
+    override fun onCheckedChanged(buttonView: CompoundButton, isChecked: Boolean) {
+        dlog(TAG, "onCheckedChanged($isChecked)")
+        dolbyController.dsOn = isChecked
+        profilePref.isEnabled = isChecked
+        updateProfileSpecificPrefs()
+    }
+
+    private fun updateSpeakerState() {
+        val devices = audioManager
+            ?.getDevicesForAttributes(ATTRIBUTES_MEDIA)
+            .orEmpty()
+        val firstType = devices.firstOrNull()?.type
+        isOnSpeaker = (firstType == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER)
+    }
+
+    private fun updateProfileSpecificPrefs() {
+        val unknownRes = getString(R.string.dolby_unknown)
+        val headphoneRes = getString(R.string.dolby_connect_headphones)
+        val dsOn = dolbyController.dsOn
+        val currentProfile = dolbyController.profile
+
+        dlog(
+            TAG, "updateProfileSpecificPrefs: dsOn=$dsOn currentProfile=$currentProfile"
+                    + " isOnSpeaker=$isOnSpeaker"
+        )
+
+        val enable = dsOn && (currentProfile != -1)
+        presetPref.isEnabled = enable
+        spkVirtPref.isEnabled = enable
+        ieqPref.isEnabled = enable
+        dialoguePref.isEnabled = enable
+        volumePref.isEnabled = enable
+        bassPref.isEnabled = enable
+        resetPref.isEnabled = enable
+        hpVirtPref.isEnabled = enable && !isOnSpeaker
+        stereoPref.isEnabled = enable && !isOnSpeaker
+
+        if (!enable) return
+
+        presetPref.summary = dolbyController.getPresetName()
+
+        val ieqValue = dolbyController.getIeqPreset(currentProfile)
+        ieqPref.apply {
+            if (entryValues.contains(ieqValue.toString())) {
+                summary = "%s"
+                value = ieqValue.toString()
+            } else {
+                summary = unknownRes
+            }
+        }
+
+        val deValue = dolbyController.getDialogueEnhancerAmount(currentProfile).toString()
+        dialoguePref.apply {
+            if (entryValues.contains(deValue)) {
+                summary = "%s"
+                value = deValue
+            } else {
+                summary = unknownRes
+            }
+        }
+
+        spkVirtPref.isChecked = dolbyController.getSpeakerVirtEnabled(currentProfile)
+        volumePref.isChecked = dolbyController.getVolumeLevelerEnabled(currentProfile)
+        bassPref.isChecked = dolbyController.getBassEnhancerEnabled(currentProfile)
+
+        // below prefs are not enabled on loudspeaker
+        if (isOnSpeaker) {
+            stereoPref.summary = headphoneRes
+            hpVirtPref.summary = headphoneRes
+            return
+        }
+
+        val swValue = dolbyController.getStereoWideningAmount(currentProfile).toString()
+        stereoPref.apply {
+            if (entryValues.contains(swValue)) {
+                summary = "%s"
+                value = swValue
+            } else {
+                summary = unknownRes
+            }
+        }
+
+        hpVirtPref.apply {
+            isChecked = dolbyController.getHeadphoneVirtEnabled(currentProfile)
+            summary = null
+        }
+    }
+
+    private fun updateProfileIcon(profile: Int) {
+        when (profile) {
+            0 -> profilePref.setIcon(R.drawable.ic_profile_dynamic)
+            1 -> profilePref.setIcon(R.drawable.ic_profile_movie)
+            2 -> profilePref.setIcon(R.drawable.ic_profile_music)
+            3 -> profilePref.setIcon(R.drawable.ic_profile_custom)
+            else -> profilePref.setIcon(R.drawable.ic_dolby)
+        }
+    }
+
+    companion object {
+        private const val TAG = "DolbySettingsFragment"
+        private val ATTRIBUTES_MEDIA = AudioAttributes.Builder()
+                .setUsage(AudioAttributes.USAGE_MEDIA)
+                .build()
+    }
+}

fingerprint/include/UdfpsHandler.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The LineageOS Project
+ * Copyright (C) 2022,2025 The LineageOS Project
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -13,12 +13,14 @@ class UdfpsHandler {
   public:
     virtual ~UdfpsHandler() = default;
 
-    virtual void init(fingerprint_device_t* device) = 0;
-    virtual void onFingerDown(uint32_t x, uint32_t y, float minor, float major) = 0;
-    virtual void onFingerUp() = 0;
+    virtual void init(fingerprint_device_t* device) {};
+    virtual void onFingerDown(uint32_t x, uint32_t y, float minor, float major) {};
+    virtual void onFingerUp() {};
 
-    virtual void onAcquired(int32_t result, int32_t vendorCode) = 0;
-    virtual void cancel() = 0;
+    virtual void onAcquired(int32_t result, int32_t vendorCode) {};
+    virtual void onAuthenticationSucceeded() {};
+    virtual void onAuthenticationFailed() {};
+    virtual void cancel() {};
 };
 
 struct UdfpsHandlerFactory {

hidl/touch/Android.bp

@@ -1,45 +0,0 @@
-//
-// Copyright (C) 2022 The LineageOS Project
-//
-// SPDX-License-Identifier: Apache-2.0
-//
-
-soong_config_module_type {
-    name: "xiaomi_touch_hal_cc_defaults",
-    module_type: "cc_defaults",
-    config_namespace: "XIAOMI_TOUCH",
-    value_variables: ["HIGH_TOUCH_POLLING_PATH"],
-    properties: ["cppflags"],
-}
-
-xiaomi_touch_hal_cc_defaults {
-    name: "xiaomi_touch_hal_defaults",
-    soong_config_variables: {
-        HIGH_TOUCH_POLLING_PATH: {
-            cppflags: ["-DHIGH_TOUCH_POLLING_PATH=\"%s\""],
-        },
-    },
-}
-
-cc_binary {
-    name: "vendor.lineage.touch@1.0-service.xiaomi",
-    defaults: [
-        "hidl_defaults",
-        "xiaomi_touch_hal_defaults",
-    ],
-    vintf_fragments: ["vendor.lineage.touch@1.0-service.xiaomi.xml"],
-    init_rc: ["vendor.lineage.touch@1.0-service.xiaomi.rc"],
-    relative_install_path: "hw",
-    proprietary: true,
-    srcs: [
-        "HighTouchPollingRate.cpp",
-        "service.cpp",
-    ],
-    shared_libs: [
-        "libbase",
-        "libbinder",
-        "libhidlbase",
-        "libutils",
-        "vendor.lineage.touch@1.0",
-    ],
-}