sepolicy: qti: Allow system server to detect oem charging

Signed-off-by: AnierinB <anierin@evolution-x.org>

.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]

Android.bp

@@ -1,5 +1,5 @@
 //
-// Copyright (C) 2022-2023 The LineageOS Project
+// SPDX-FileCopyrightText: 2022-2026 The LineageOS Project
 // SPDX-License-Identifier: Apache-2.0
 //
 
@@ -7,7 +7,6 @@ soong_namespace {
     imports: [
         "hardware/google/interfaces",
         "hardware/google/pixel",
-        "hardware/qcom-caf/bootctrl",
     ],
 }
 
@@ -17,3 +16,17 @@ prebuilt_hidl_interfaces {
         "vendor.oplus.hardware.cameraextension@1.0::ICameraExtensionService",
     ],
 }
+
+prebuilt_hidl_interfaces {
+    name: "hidl_pixelworks_feature_interface",
+    interfaces: [
+        "vendor.pixelworks.hardware.feature@1.0::IIrisFeature",
+    ],
+}
+
+prebuilt_hidl_interfaces {
+    name: "hidl_zeku_explorer_interface",
+    interfaces: [
+        "vendor.zeku.hardware.explorer@1.0::IMmsProvider",
+    ],
+}

Android.mk

@@ -1,5 +0,0 @@
-ifneq ($(filter $(call my-dir),$(PRODUCT_SOONG_NAMESPACES)),)
-
-include $(call all-subdir-makefiles)
-
-endif

DSPVolumeSynchronizer/Android.bp

@@ -0,0 +1,39 @@
+//
+// 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",
+    ],
+}
+
+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,
+}

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/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);
+    }
+}

Euicc/Android.bp

@@ -1,41 +1,17 @@
 //
-// Copyright (C) 2023 The LineageOS Project
-//
+// SPDX-FileCopyrightText: 2023-2025 The LineageOS Project
 // SPDX-License-Identifier: Apache-2.0
 //
 
-android_app {
+phony {
     name: "OplusEuicc",
-
-    srcs: ["src/**/*.kt"],
-    resource_dirs: ["res"],
-
-    sdk_version: "current",
-    product_specific: true,
-    certificate: "platform",
-    privileged: true,
-
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
     required: [
-        "org.lineageos.euicc.xml",
-        "hidden-api-whitelist-org.lineageos.euicc.xml",
+        "EuiccPolicy",
+        "EuiccPolicyOplus",
     ],
 }
 
-prebuilt_etc {
-    sub_dir: "permissions",
-    name: "org.lineageos.euicc.xml",
-    filename: "org.lineageos.euicc.xml",
-    src: "org.lineageos.euicc.xml",
-    product_specific: true,
-}
-
-prebuilt_etc {
-    sub_dir: "sysconfig",
-    name: "hidden-api-whitelist-org.lineageos.euicc.xml",
-    filename: "hidden-api-whitelist-org.lineageos.euicc.xml",
-    src: "hidden-api-whitelist-org.lineageos.euicc.xml",
+runtime_resource_overlay {
+    name: "EuiccPolicyOplus",
     product_specific: true,
 }

Euicc/AndroidManifest.xml

@@ -1,42 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    Copyright (C) 2023-2024 The LineageOS Project
+    SPDX-FileCopyrightText: 2023-2025 The LineageOS Project
     SPDX-License-Identifier: Apache-2.0
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="org.lineageos.euicc">
-
-    <queries>
-        <package android:name="com.google.android.gms" />
-        <package android:name="com.google.android.gsf" />
-        <package android:name="com.google.android.euicc" />
-        <package android:name="com.google.android.ims" />
-    </queries>
-
-    <uses-permission android:name="android.permission.CHANGE_COMPONENT_ENABLED_STATE" />
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-    <uses-permission android:name="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS" />
-
-    <application
-        android:persistent="true"
-        android:usesNonSdkApi="true">
-        <receiver
-            android:exported="true"
-            android:name=".BootCompletedReceiver">
-            <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-        </receiver>
-
-        <receiver
-            android:directBootAware="true"
-            android:exported="true"
-            android:name=".EuiccReceiver"
-            android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS">
-            <intent-filter>
-                <action android:name="com.google.android.euicc.action.PARTNER_CUSTOMIZATION"/>
-            </intent-filter>
-        </receiver>
-    </application>
+          package="org.lineageos.euicc.overlay.oplus">
+    <overlay android:targetPackage="org.lineageos.euicc"
+             android:isStatic="true" />
 </manifest>

Euicc/hidden-api-whitelist-org.lineageos.euicc.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<config>
-  <hidden-api-whitelisted-app package="org.lineageos.euicc" />
-</config>

Euicc/org.lineageos.euicc.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<permissions>
-    <privapp-permissions package="org.lineageos.euicc">
-        <permission name="android.permission.CHANGE_COMPONENT_ENABLED_STATE"/>
-        <permission name="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"/>
-    </privapp-permissions>
-</permissions>

Euicc/proguard.flags

@@ -1,3 +0,0 @@
--keep class org.lineageos.euicc.* {
-  *;
-}

Euicc/res/values/strings.xml

@@ -1,9 +1,63 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    Copyright (C) 2023 The LineageOS Project
+    SPDX-FileCopyrightText: 2023-2025 The LineageOS Project
     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
-    <string name="sim_illustration_lottie_mappings_json">{\"sim_illustration_lottie_mappings\":[{\"devices\":[\"OP594DL1\"],\"illustration_lottie\":\"sim_illustration_lottie_bottom\"}]}</string>
-    <string name="sim_slot_mappings_json">{\"sim-slot-mappings\":[{\"devices\":[\"OP594DL1\"],\"esim-slot-ids\":[1],\"psim-slot-ids\":[0]}]}</string>
+    <string name="sim_illustration_lottie_mappings_json" translatable="false">
+        {
+            \"sim_illustration_lottie_mappings\": [
+                {
+                    \"devices\": [
+                        \"OP591BL1\",
+                        \"OP5929L1\",
+                        \"OP594DL1\",
+                        \"OP595DL1\",
+                        \"OP5CF9L1\",
+                        \"OP5D0DL1\",
+                        \"OP5D2BL1\",
+                        \"OP5D35L1\",
+                        \"OP5D3BL1\",
+                        \"OP5D55L1\"
+                    ],
+                    \"illustration_lottie\": \"sim_illustration_lottie_bottom\"
+                }
+            ]
+        }
+    </string>
+    <string name="sim_slot_mappings_json" translatable="false">
+        {
+            \"sim-slot-mappings\": [
+                {
+                    \"devices\": [
+                        \"OP594DL1\",
+                        \"OP595DL1\",
+                        \"OP5D35L1\",
+                        \"OP5D3BL1\",
+                        \"OP5D55L1\"
+                    ],
+                    \"esim-slot-ids\": [
+                        1
+                    ],
+                    \"psim-slot-ids\": [
+                        0
+                    ]
+                },
+                {
+                    \"devices\": [
+                        \"OP591BL1\",
+                        \"OP5929L1\",
+                        \"OP5CF9L1\",
+                        \"OP5D0DL1\",
+                        \"OP5D2BL1\"
+                    ],
+                    \"esim-slot-ids\": [],
+                    \"psim-slot-ids\": [
+                        0,
+                        1
+                    ]
+                }
+            ]
+        }
+    </string>
 </resources>

Euicc/src/org/lineageos/euicc/EuiccDisabler.kt

@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2021-2024 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package org.lineageos.euicc
-
-import android.content.Context
-import android.content.pm.ApplicationInfo
-import android.content.pm.PackageManager
-import android.content.pm.PackageManager.ApplicationInfoFlags
-import android.util.Log
-
-object EuiccDisabler {
-    private const val TAG = "OplusEuiccDisabler"
-
-    private val EUICC_DEPENDENCIES = listOf(
-        "com.google.android.gms",
-        "com.google.android.gsf",
-    )
-
-    private val EUICC_PACKAGES = listOf(
-        "com.google.android.euicc",
-        "com.google.android.ims",
-    )
-
-    private fun isInstalled(pm: PackageManager, pkgName: String) = runCatching {
-        val info = pm.getApplicationInfo(pkgName, ApplicationInfoFlags.of(0))
-        info.flags and ApplicationInfo.FLAG_INSTALLED != 0
-    }.getOrDefault(false)
-
-    private fun isInstalledAndEnabled(pm: PackageManager, pkgName: String) = runCatching {
-        val info = pm.getApplicationInfo(pkgName, ApplicationInfoFlags.of(0))
-        Log.d(TAG, "package $pkgName installed, enabled = ${info.enabled}")
-        info.enabled
-    }.getOrDefault(false)
-
-    fun enableOrDisableEuicc(context: Context) {
-        val pm = context.packageManager
-        val disable = EUICC_DEPENDENCIES.any { !isInstalledAndEnabled(pm, it) }
-        val flag = if (disable) {
-            PackageManager.COMPONENT_ENABLED_STATE_DISABLED
-        } else {
-            PackageManager.COMPONENT_ENABLED_STATE_ENABLED
-        }
-
-        for (pkg in EUICC_PACKAGES) {
-            if (isInstalled(pm, pkg)) {
-                pm.setApplicationEnabledSetting(pkg, flag, 0)
-            }
-        }
-    }
-}

Euicc/src/org/lineageos/euicc/EuiccReceiver.kt

@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2023 The LineageOS Project
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package org.lineageos.euicc
-
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.util.Log
-
-class EuiccReceiver : BroadcastReceiver() {
-    override fun onReceive(context: Context, intent: Intent) {
-        Log.d(TAG, "Received PARTNER_CUSTOMIZATION intent")
-    }
-
-    companion object {
-        private const val TAG = "OplusEuiccReceiver"
-    }
-}

IFAAService/Android.bp

@@ -0,0 +1,24 @@
+//
+// Copyright (C) 2022-2025 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+android_app {
+    name: "IFAAService",
+    srcs: [
+        "src/**/*.kt",
+        "src/**/*.aidl",
+    ],
+    aidl: {
+        local_include_dirs: ["src"],
+    },
+
+    static_libs: [
+        "vendor.oplus.hardware.biometrics.fingerprintpay-V1-java",
+    ],
+
+    certificate: "platform",
+    platform_apis: true,
+    system_ext_specific: true,
+}

IFAAService/AndroidManifest.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: 2022-2025 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.ifaa.aidl.manager">
+
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
+
+    <application
+        android:label="@string/app_name"
+        android:persistent="true">
+
+        <service
+            android:name=".IfaaService"
+            android:exported="true">
+
+            <intent-filter>
+                <action android:name="org.ifaa.aidl.manager.IfaaManagerService" />
+            </intent-filter>
+
+        </service>
+
+    </application>
+
+</manifest>

IFAAService/res/values/strings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: 2022-2024 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="app_name">IFAAService</string>
+</resources>

IFAAService/src/org/ifaa/aidl/manager/IfaaManagerService.aidl

@@ -0,0 +1,19 @@
+//
+// Copyright (C) 2022 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+package org.ifaa.aidl.manager;
+
+interface IfaaManagerService {
+    int getSupportBIOTypes();
+    int startBIOManager(int authType);
+    String getDeviceModel();
+    byte[] processCmd(inout byte[] param);
+    int getVersion();
+    String getExtInfo(int authType, String keyExtInfo);
+    void setExtInfo(int authType, String keyExtInfo, String valExtInfo);
+    int getEnabled(int bioType);
+    int[] getIDList(int bioType);
+}

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

@@ -0,0 +1,219 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.ifaa.aidl.manager
+
+import android.app.KeyguardManager
+import android.app.Service
+import android.content.Intent
+import android.graphics.Point
+import android.hardware.fingerprint.FingerprintManager
+import android.os.IBinder
+import android.os.ServiceManager
+import android.os.SystemProperties
+import android.provider.Settings
+import android.util.Log
+import android.view.WindowManager
+import org.json.JSONObject
+import vendor.oplus.hardware.biometrics.fingerprintpay.IFingerprintPay
+
+class IfaaService : Service() {
+    private var _fpPayService: IFingerprintPay? = null
+
+    private val fpPayServiceDeathRecipient =
+        IBinder.DeathRecipient {
+            Log.i(LOG_TAG, "aidl FingerprintPay hal died, reset hal proxy!")
+            _fpPayService = null
+        }
+
+    private val fingerprintManager by lazy { getSystemService(FingerprintManager::class.java)!! }
+    private val keyguardManager by lazy { getSystemService(KeyguardManager::class.java)!! }
+    private val windowManager by lazy { getSystemService(WindowManager::class.java)!! }
+
+    override fun onBind(intent: Intent) =
+        object : IfaaManagerService.Stub() {
+            private val _supportBIOTypes by lazy {
+                when (SystemProperties.get(FP_TYPE_PROP, "")) {
+                    "back",
+                    "side",
+                    "front" -> AUTH_TYPE_FINGERPRINT
+                    "ultrasonic",
+                    "optical" -> AUTH_TYPE_OPTICAL_FINGERPRINT
+                    else -> AUTH_TYPE_NOT_SUPPORT
+                }
+            }
+
+            override fun getSupportBIOTypes() = _supportBIOTypes
+
+            override fun startBIOManager(authType: Int) =
+                when (authType) {
+                    AUTH_TYPE_FINGERPRINT -> {
+                        applicationContext.startActivity(
+                            Intent(Settings.ACTION_SECURITY_SETTINGS).apply {
+                                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                            }
+                        )
+
+                        COMMAND_OK
+                    }
+
+                    else -> COMMAND_FAIL
+                }
+
+            private val _deviceModel by lazy {
+                SystemProperties.get(IFAA_MODEL_PROP, "OPLUS-Default")
+            }
+
+            override fun getDeviceModel() = _deviceModel
+
+            override fun processCmd(param: ByteArray) =
+                try {
+                    getFpPayService()?.ifaa_invoke_command(param)
+                } catch (e: Exception) {
+                    Log.e(LOG_TAG, "processCmdImpl: ifaa_invoke_command aidl failed", e)
+                    null
+                }
+
+            override fun getVersion() = 4
+
+            override fun getExtInfo(authType: Int, keyExtInfo: String) =
+                when (keyExtInfo) {
+                    KEY_GET_SENSOR_LOCATION -> initExtString()
+                    else -> ""
+                }
+
+            override fun setExtInfo(authType: Int, keyExtInfo: String, valExtInfo: String) {
+                // Do nothing
+            }
+
+            override fun getEnabled(bioType: Int): Int {
+                if (!keyguardManager.isKeyguardSecure) {
+                    Log.e(LOG_TAG, "No secure keyguard set.")
+                    return BIOMETRIC_NOUSE_NOSET_KEYGUARD
+                }
+
+                return when (bioType) {
+                    AUTH_TYPE_FINGERPRINT ->
+                        when {
+                            !fingerprintManager.isHardwareDetected -> {
+                                Log.e(LOG_TAG, "Fingerprint hardware not available!")
+                                BIOMETRIC_NOUSE_SYSTEMLOCKED
+                            }
+
+                            fingerprintManager.enrolledFingerprints.isNullOrEmpty() -> {
+                                Log.e(LOG_TAG, "Fingerprint not enrolled!")
+                                BIOMETRIC_NOUSE_NOT_ENROLLED
+                            }
+
+                            else -> BIOMETRIC_USE_READY
+                        }
+
+                    else -> 0
+                }
+            }
+
+            override fun getIDList(bioType: Int): IntArray? =
+                when (bioType) {
+                    AUTH_TYPE_FINGERPRINT -> {
+                        val enrolledFingerprintIds =
+                            fingerprintManager.enrolledFingerprints
+                                ?.map { it.biometricId }
+                                ?.toIntArray()
+
+                        Log.w(LOG_TAG, "getIDList: ${enrolledFingerprintIds}!")
+                        enrolledFingerprintIds
+                    }
+
+                    else -> null
+                }
+        }
+
+    private fun getFpPayService() =
+        _fpPayService
+            ?: run {
+                val binder = ServiceManager.getService("${IFingerprintPay.DESCRIPTOR}/default")
+                IFingerprintPay.Stub.asInterface(binder)?.also {
+                    binder.linkToDeath(fpPayServiceDeathRecipient, 0)
+                    _fpPayService = it
+                }
+            }
+
+    private val defaultDisplayDimension by lazy {
+        val dim1 =
+            displayNoVerify
+                ?.supportedModes
+                ?.maxByOrNull { it.physicalHeight }
+                ?.run { Point(physicalWidth, physicalHeight) }
+        val dim2 = windowManager.maximumWindowMetrics.bounds.run { Point(width(), height()) }
+
+        dim1?.let { Point(maxOf(dim1.x, dim2.x), maxOf(dim1.y, dim2.y)) } ?: dim2
+    }
+
+    private val iconDiameter by lazy { SystemProperties.getInt(FP_ICON_SIZE_PROP, 190) }
+
+    // Coordinates of the upper left corner
+    private val iconLocation by lazy {
+        val iconLocationBottom = SystemProperties.getInt(FP_ICON_LOCATION_PROP, 278)
+        Point(
+            (defaultDisplayDimension.x - iconDiameter) / 2,
+            defaultDisplayDimension.y - iconLocationBottom - iconDiameter / 2,
+        )
+    }
+
+    private fun initExtString() = run {
+        val displayDimension =
+            windowManager.maximumWindowMetrics.bounds.run { Point(width(), height()) }
+        val scale = { pos: Point ->
+            Point(
+                pos.x * displayDimension.x / defaultDisplayDimension.x,
+                pos.y * displayDimension.y / defaultDisplayDimension.y,
+            )
+        }
+        val scaledLocation = scale(iconLocation)
+        val scaledDiameter = scale(Point(iconDiameter, iconDiameter))
+
+        JSONObject()
+            .apply {
+                put("type", 0)
+                put(
+                    "fullView",
+                    JSONObject().apply {
+                        put("startX", scaledLocation.x)
+                        put("startY", scaledLocation.y)
+                        put("width", scaledDiameter.x)
+                        put("height", scaledDiameter.y)
+                        put("navConflict", true)
+                    },
+                )
+            }
+            .toString()
+    }
+
+    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_OPTICAL_FINGERPRINT = 1.shl(4).or(AUTH_TYPE_FINGERPRINT)
+
+        private const val BIOMETRIC_USE_READY = 1000
+        private const val BIOMETRIC_NOUSE_SYSTEMLOCKED = 1001
+        private const val BIOMETRIC_NOUSE_NOT_ENROLLED = 1002
+        private const val BIOMETRIC_NOUSE_NOSET_KEYGUARD = 1003
+
+        private const val COMMAND_OK = 0
+        private const val COMMAND_FAIL = -1
+
+        // Populated by fingerprint HAL
+        private const val FP_TYPE_PROP = "persist.vendor.fingerprint.sensor_type"
+        private const val FP_ICON_SIZE_PROP = "persist.vendor.fingerprint.optical.iconsize"
+        private const val FP_ICON_LOCATION_PROP = "persist.vendor.fingerprint.optical.iconlocation"
+
+        // NOTE: Populate ifaaModel from /my_stock/etc/sys_alipay_model_list.json
+        private const val IFAA_MODEL_PROP = "sys.oplus.ifaa.model"
+
+        private const val KEY_GET_SENSOR_LOCATION = "org.ifaa.ext.key.GET_SENSOR_LOCATION"
+    }
+}

KeyHandler/Android.bp

@@ -2,7 +2,6 @@ android_app {
     name: "KeyHandler",
 
     srcs: ["src/**/*.kt"],
-    resource_dirs: ["res"],
 
     certificate: "platform",
     platform_apis: true,
@@ -13,7 +12,9 @@ android_app {
     ],
 
     optimize: {
+        optimize: true,
         proguard_flags_files: ["proguard.flags"],
+        shrink_resources: true,
     },
 }
 

KeyHandler/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-     Copyright (C) 2018, 2021-2022 The LineageOS Project
+     Copyright (C) 2018, 2021-2025 The LineageOS Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           android:sharedUserId="android.uid.system"
           package="org.lineageos.settings.device">
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
@@ -41,17 +42,19 @@
         <!-- Additional button settings (Button settings) -->
         <activity
             android:name=".ButtonSettingsActivity"
-            android:label="@string/button_panel_title"
-            android:exported="false">
+            android:label="@string/alert_slider_category_title"
+            android:exported="true">
             <intent-filter>
-                <action android:name="org.lineageos.settings.device.ADDITIONAL_BUTTONS_SETTINGS" />
-                <category android:name="android.intent.category.DEFAULT" />
+                <action android:name="com.android.settings.action.IA_SETTINGS" />
             </intent-filter>
+            <meta-data
+                android:name="com.android.settings.category"
+                android:value="com.android.settings.category.ia.sound" />
         </activity>
 
         <service
             android:name=".KeyHandler"
             android:permission="KeyHandlerService"
-            android:exported="false" />
+            android:exported="true" />
     </application>
 </manifest>

KeyHandler/res/values-bg/strings.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_category_title">Плъзгач за предупреждение</string>
+    <string name="alert_slider_selection_dialog_title">Действие</string>
+    <string name="alert_slider_top_position">Горна позиция </string>
+    <string name="alert_slider_middle_position">Средна позиция</string>
+    <string name="alert_slider_bottom_position">Долна позиция</string>
+    <string name="alert_slider_mode_none">Нищо</string>
+    <string name="alert_slider_mode_silent">Без звук</string>
+    <string name="alert_slider_mode_normal">Нормален</string>
+    <string name="alert_slider_mode_vibration">Вибрация</string>
+    <string name="alert_slider_mode_dnd_priority_only">Само важни</string>
+    <string name="alert_slider_mode_dnd_total_silence">Тотална тишина</string>
+    <string name="alert_slider_mode_dnd_alarms_only">Само будилници</string>
+    <string name="alert_slider_mute_media_title">Заглуши</string>
+    <string name="alert_slider_mute_media_summary">Заглуши само когато се превключва в тих режим</string>
+</resources>

KeyHandler/res/values-fa/strings.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_category_title">نوار لغزنده هشدار</string>
+    <string name="alert_slider_selection_dialog_title">عمل</string>
+    <string name="alert_slider_top_position">موقعیت بالا</string>
+    <string name="alert_slider_middle_position">موقعیت وسط</string>
+    <string name="alert_slider_bottom_position">موقعیت پایین</string>
+    <string name="alert_slider_mode_none">هیچ</string>
+    <string name="alert_slider_mode_silent">بی‌صدا</string>
+    <string name="alert_slider_mode_normal">عادی</string>
+    <string name="alert_slider_mode_vibration">لرزش</string>
+    <string name="alert_slider_mode_dnd_priority_only">فقط اولویت ها</string>
+    <string name="alert_slider_mode_dnd_total_silence">سکوت کامل</string>
+    <string name="alert_slider_mode_dnd_alarms_only">فقط هشدار ها</string>
+    <string name="alert_slider_mute_media_title">رسانه بی صدا</string>
+    <string name="alert_slider_mute_media_summary">هنگام جابجایی به بی‌صدا، رسانه را بی‌صدا کنید</string>
+</resources>

KeyHandler/res/values-ga-rIE/strings.xml

@@ -4,5 +4,18 @@
     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
+    <string name="alert_slider_category_title">Sleamhnán foláirimh</string>
+    <string name="alert_slider_selection_dialog_title">Gníomh</string>
+    <string name="alert_slider_top_position">Seasamh barr</string>
+    <string name="alert_slider_middle_position">Seasamh meánach</string>
+    <string name="alert_slider_bottom_position">Seasamh bun</string>
     <string name="alert_slider_mode_none">Dada</string>
+    <string name="alert_slider_mode_silent">Ciúin</string>
+    <string name="alert_slider_mode_normal">Gnáth</string>
+    <string name="alert_slider_mode_vibration">Creathadh</string>
+    <string name="alert_slider_mode_dnd_priority_only">Tosaíocht amháin</string>
+    <string name="alert_slider_mode_dnd_total_silence">Ciúnas iomlán</string>
+    <string name="alert_slider_mode_dnd_alarms_only">Aláraim amháin</string>
+    <string name="alert_slider_mute_media_title">Balbhaigh meáin</string>
+    <string name="alert_slider_mute_media_summary">Balbhaigh na meáin nuair a bhíonn tú ag aistriú chuig an gciúin</string>
 </resources>

KeyHandler/res/values-iw/strings.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_category_title">מתג התראות</string>
+    <string name="alert_slider_selection_dialog_title">פעולה</string>
+    <string name="alert_slider_top_position">ממוקם למעלה</string>
+    <string name="alert_slider_middle_position">ממוקם באמצע</string>
+    <string name="alert_slider_bottom_position">ממוקם למטה</string>
+    <string name="alert_slider_mode_none">ללא</string>
+    <string name="alert_slider_mode_silent">שקט</string>
+    <string name="alert_slider_mode_normal">רגיל</string>
+    <string name="alert_slider_mode_vibration">רטט</string>
+    <string name="alert_slider_mode_dnd_priority_only">עדיפות בלבד</string>
+    <string name="alert_slider_mode_dnd_total_silence">מושתק לחלוטין</string>
+    <string name="alert_slider_mode_dnd_alarms_only">שעון מעורר בלבד</string>
+    <string name="alert_slider_mute_media_title">השתקת מדיה</string>
+    <string name="alert_slider_mute_media_summary">השתקת מדיה במעבר להשתקה</string>
+</resources>

KeyHandler/res/values-pt-rBR/strings.xml

@@ -17,5 +17,5 @@
     <string name="alert_slider_mode_dnd_total_silence">Silêncio total</string>
     <string name="alert_slider_mode_dnd_alarms_only">Somente alarmes</string>
     <string name="alert_slider_mute_media_title">Silenciar mídia</string>
-    <string name="alert_slider_mute_media_summary">Silenciar mídia ao mudar para modo silencioso</string>
+    <string name="alert_slider_mute_media_summary">Silenciar mídia ao mudar para o modo silencioso</string>
 </resources>

KeyHandler/res/values-sc-rIT/strings.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_selection_dialog_title">Atzione</string>
+    <string name="alert_slider_top_position">Positzione superiore</string>
+    <string name="alert_slider_middle_position">Positzione tzentrale</string>
+    <string name="alert_slider_bottom_position">Positzione inferiore</string>
+    <string name="alert_slider_mode_silent">A sa muda</string>
+    <string name="alert_slider_mode_normal">Normale</string>
+    <string name="alert_slider_mode_vibration">Vibratzione</string>
+    <string name="alert_slider_mode_dnd_priority_only">Prioridade isceti</string>
+    <string name="alert_slider_mode_dnd_total_silence">Silèntziu totale</string>
+    <string name="alert_slider_mode_dnd_alarms_only">Isvèllias isceti</string>
+    <string name="alert_slider_mute_media_title">Pone is cuntenutos multimediales a sa muda</string>
+    <string name="alert_slider_mute_media_summary">Pone is cuntenutos multimediales a sa muda cando passas a silèntziu</string>
+</resources>

KeyHandler/res/values-sv/strings.xml

@@ -4,5 +4,10 @@
     SPDX-License-Identifier: Apache-2.0
 -->
 <resources>
+    <string name="alert_slider_selection_dialog_title">Åtgärd</string>
     <string name="alert_slider_mode_none">Inget</string>
+    <string name="alert_slider_mode_normal">Normal</string>
+    <string name="alert_slider_mode_vibration">Vibration</string>
+    <string name="alert_slider_mode_dnd_priority_only">Endast prioritet</string>
+    <string name="alert_slider_mode_dnd_alarms_only">Endast alarm</string>
 </resources>

KeyHandler/res/values-ta/strings.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_top_position">முதற் நிலை</string>
+    <string name="alert_slider_middle_position">நடு நிலை</string>
+    <string name="alert_slider_bottom_position">கீழ் நிலை</string>
+    <string name="alert_slider_mode_none">இல்லை</string>
+    <string name="alert_slider_mode_silent">ஒலியின்மை</string>
+</resources>

KeyHandler/res/values-ug/strings.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2021 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="alert_slider_category_title">ئاگاھلاندۇرۇش سىيرىغۇچ</string>
+    <string name="alert_slider_selection_dialog_title">مەشغۇلات</string>
+    <string name="alert_slider_top_position">چوققا نۇقتا</string>
+    <string name="alert_slider_middle_position">ئوتتۇرا نۇقتا</string>
+    <string name="alert_slider_bottom_position">ئاستى نۇقتا</string>
+    <string name="alert_slider_mode_none">يوق</string>
+    <string name="alert_slider_mode_silent">ئۈنسىز</string>
+    <string name="alert_slider_mode_normal">ئادەتتىكى</string>
+    <string name="alert_slider_mode_vibration">تىترەت</string>
+    <string name="alert_slider_mode_dnd_priority_only">ئالدىنلىقلا</string>
+    <string name="alert_slider_mode_dnd_total_silence">تامامەن ئۈنسىز</string>
+    <string name="alert_slider_mode_dnd_alarms_only">قوڭغۇراقلا</string>
+    <string name="alert_slider_mute_media_title">ۋاسىتە ئۈنسىز</string>
+    <string name="alert_slider_mute_media_summary">ئۈنسىز ھالەتكە ئالماشتۇرغاندا ۋاسىتىنى ئۈنسىزلەيدۇ</string>
+</resources>

KeyHandler/res/values/strings.xml

@@ -5,7 +5,7 @@
 -->
 <resources>
     <!-- Alert slider -->
-    <string name="alert_slider_category_title">Alert slider</string>
+    <string name="alert_slider_category_title">Alert slider settings</string>
     <string name="alert_slider_selection_dialog_title">Action</string>
     <string name="alert_slider_top_position">Top position</string>
     <string name="alert_slider_middle_position">Middle position</string>

KeyHandler/res/xml/button_panel.xml

@@ -1,13 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    Copyright (C) 2021 The LineageOS Project
+    SPDX-FileCopyrightText: 2021-2025 The LineageOS Project
     SPDX-License-Identifier: Apache-2.0
 -->
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
     <PreferenceCategory
         android:title="@string/alert_slider_category_title">
 
-        <SwitchPreference
+        <SwitchPreferenceCompat
             android:key="config_mute_media"
             android:title="@string/alert_slider_mute_media_title"
             android:summary="@string/alert_slider_mute_media_summary"
@@ -16,29 +19,29 @@
         <ListPreference
             android:key="config_top_position"
             android:dialogTitle="@string/alert_slider_selection_dialog_title"
-            android:title="@string/alert_slider_top_position"
-            android:summary="%s"
             android:entries="@array/alert_slider_action_entries"
             android:entryValues="@array/alert_slider_action_entry_values"
-            android:defaultValue="0" />
+            android:defaultValue="0"
+            android:title="@string/alert_slider_top_position"
+            app:useSimpleSummaryProvider="true" />
 
         <ListPreference
             android:key="config_middle_position"
             android:dialogTitle="@string/alert_slider_selection_dialog_title"
-            android:title="@string/alert_slider_middle_position"
-            android:summary="%s"
             android:entries="@array/alert_slider_action_entries"
             android:entryValues="@array/alert_slider_action_entry_values"
-            android:defaultValue="1" />
+            android:defaultValue="1"
+            android:title="@string/alert_slider_middle_position"
+            app:useSimpleSummaryProvider="true" />
 
         <ListPreference
             android:key="config_bottom_position"
             android:dialogTitle="@string/alert_slider_selection_dialog_title"
-            android:title="@string/alert_slider_bottom_position"
-            android:summary="%s"
             android:entries="@array/alert_slider_action_entries"
             android:entryValues="@array/alert_slider_action_entry_values"
-            android:defaultValue="2" />
+            android:defaultValue="2"
+            android:title="@string/alert_slider_bottom_position"
+            app:useSimpleSummaryProvider="true" />
 
     </PreferenceCategory>
 </PreferenceScreen>

KeyHandler/src/org/lineageos/settings/device/ButtonSettingsActivity.kt

@@ -1,20 +1,27 @@
 /*
- * Copyright (C) 2021-2024 The LineageOS Project
+ * SPDX-FileCopyrightText: 2021-2025 The LineageOS Project
  * SPDX-License-Identifier: Apache-2.0
  */
 
 package org.lineageos.settings.device
 
 import android.os.Bundle
-
 import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity
 
 class ButtonSettingsActivity : CollapsingToolbarBaseActivity() {
     public override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        fragmentManager.beginTransaction().replace(
-            com.android.settingslib.collapsingtoolbar.R.id.content_frame,
-            ButtonSettingsFragment()
-        ).commit()
+        supportFragmentManager
+            .beginTransaction()
+            .replace(
+                com.android.settingslib.collapsingtoolbar.R.id.content_frame,
+                ButtonSettingsFragment(),
+                TAG,
+            )
+            .commit()
+    }
+
+    companion object {
+        private const val TAG = "ButtonSettingsActivity"
     }
 }

KeyHandler/src/org/lineageos/settings/device/ButtonSettingsFragment.kt

@@ -1,31 +1,15 @@
 /*
- * Copyright (C) 2021 The LineageOS Project
+ * SPDX-FileCopyrightText: 2021-2025 The LineageOS Project
  * SPDX-License-Identifier: Apache-2.0
  */
 
 package org.lineageos.settings.device
 
 import android.os.Bundle
-import android.view.MenuItem
-import androidx.preference.PreferenceFragment
+import androidx.preference.PreferenceFragmentCompat
 
-class ButtonSettingsFragment : PreferenceFragment() {
+class ButtonSettingsFragment : PreferenceFragmentCompat() {
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
-        addPreferencesFromResource(R.xml.button_panel)
-        activity.actionBar!!.setDisplayHomeAsUpEnabled(true)
-    }
-
-    override fun addPreferencesFromResource(preferencesResId: Int) {
-        super.addPreferencesFromResource(preferencesResId)
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.home -> {
-                activity.finish()
-                return true
-            }
-        }
-        return super.onOptionsItemSelected(item)
+        setPreferencesFromResource(R.xml.button_panel, rootKey)
     }
 }

KeyHandler/src/org/lineageos/settings/device/ConfigPanelSearchIndexablesProvider.kt

@@ -8,7 +8,6 @@ package org.lineageos.settings.device
 import android.database.Cursor
 import android.database.MatrixCursor
 import android.provider.SearchIndexableResource
-import android.provider.SearchIndexablesProvider
 import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_CLASS_NAME
 import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_ICON_RESID
 import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_ACTION
@@ -19,15 +18,14 @@ import android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_RESID
 import android.provider.SearchIndexablesContract.INDEXABLES_RAW_COLUMNS
 import android.provider.SearchIndexablesContract.INDEXABLES_XML_RES_COLUMNS
 import android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS
+import android.provider.SearchIndexablesProvider
 
 class ConfigPanelSearchIndexablesProvider : SearchIndexablesProvider() {
     override fun onCreate(): Boolean = true
 
     override fun queryXmlResources(projection: Array<String?>?): Cursor {
         val cursor = MatrixCursor(INDEXABLES_XML_RES_COLUMNS)
-        INDEXABLE_RES.forEach {
-            cursor.addRow(generateResourceRef(it))
-        }
+        INDEXABLE_RES.forEach { cursor.addRow(generateResourceRef(it)) }
         return cursor
     }
 
@@ -54,10 +52,14 @@ class ConfigPanelSearchIndexablesProvider : SearchIndexablesProvider() {
     companion object {
         private const val TAG = "ConfigPanelSearchIndexablesProvider"
 
-        private val INDEXABLE_RES = arrayOf<SearchIndexableResource>(
-            SearchIndexableResource(
-                1, R.xml.button_panel, ButtonSettingsActivity::class.java.name, 0
+        private val INDEXABLE_RES =
+            arrayOf<SearchIndexableResource>(
+                SearchIndexableResource(
+                    1,
+                    R.xml.button_panel,
+                    ButtonSettingsActivity::class.java.name,
+                    0,
+                )
             )
-        )
     }
 }

KeyHandler/src/org/lineageos/settings/device/KeyHandler.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2023 The LineageOS Project
+ * Copyright (C) 2021-2025 The LineageOS Project
  * SPDX-License-Identifier: Apache-2.0
  */
 
@@ -18,7 +18,6 @@ import android.os.Vibrator
 import android.provider.Settings
 import android.view.KeyEvent
 import com.android.internal.os.DeviceKeyHandler
-
 import java.io.File
 import java.util.concurrent.Executors
 
@@ -27,32 +26,43 @@ class KeyHandler(context: Context) : DeviceKeyHandler {
     private val notificationManager = context.getSystemService(NotificationManager::class.java)!!
     private val vibrator = context.getSystemService(Vibrator::class.java)!!
 
-    private val packageContext = context.createPackageContext(
-        KeyHandler::class.java.getPackage()!!.name, 0
-    )
+    private val packageContext =
+        context.createPackageContext(KeyHandler::class.java.getPackage()!!.name, 0)
     private val sharedPreferences
-        get() = packageContext.getSharedPreferences(
-            packageContext.packageName + "_preferences",
-            Context.MODE_PRIVATE or Context.MODE_MULTI_PROCESS
-        )
+        get() =
+            packageContext.getSharedPreferences(
+                packageContext.packageName + "_preferences",
+                Context.MODE_PRIVATE or Context.MODE_MULTI_PROCESS,
+            )
 
     private val executorService = Executors.newSingleThreadExecutor()
 
     private var wasMuted = false
-    private val broadcastReceiver = object : BroadcastReceiver() {
-        override fun onReceive(context: Context, intent: Intent) {
-            val stream = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1)
-            val state = intent.getBooleanExtra(AudioManager.EXTRA_STREAM_VOLUME_MUTED, false)
-            if (stream == AudioSystem.STREAM_MUSIC && !state) {
-                wasMuted = false
+    private val broadcastReceiver =
+        object : BroadcastReceiver() {
+            override fun onReceive(context: Context, intent: Intent) {
+                when (intent.action) {
+                    AudioManager.STREAM_MUTE_CHANGED_ACTION -> {
+                        val stream = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1)
+                        val state =
+                            intent.getBooleanExtra(AudioManager.EXTRA_STREAM_VOLUME_MUTED, false)
+                        if (stream == AudioSystem.STREAM_MUSIC && !state) {
+                            wasMuted = false
+                        }
+                    }
+
+                    Intent.ACTION_BOOT_COMPLETED -> populateKeyState(false)
+                }
             }
         }
-    }
 
     init {
         context.registerReceiver(
             broadcastReceiver,
-            IntentFilter(AudioManager.STREAM_MUTE_CHANGED_ACTION)
+            IntentFilter().apply {
+                addAction(AudioManager.STREAM_MUTE_CHANGED_ACTION)
+                addAction(Intent.ACTION_BOOT_COMPLETED)
+            },
         )
     }
 
@@ -67,37 +77,40 @@ class KeyHandler(context: Context) : DeviceKeyHandler {
             return event
         }
 
-        when (File("/proc/tristatekey/tri_state").readText().trim()) {
-            "1" -> handleMode(POSITION_TOP)
-            "2" -> handleMode(POSITION_MIDDLE)
-            "3" -> handleMode(POSITION_BOTTOM)
-        }
+        populateKeyState(true)
 
         return null
     }
 
-    private fun vibrateIfNeeded(mode: Int) {
-        when (mode) {
-            AudioManager.RINGER_MODE_VIBRATE -> vibrator.vibrate(
-                MODE_VIBRATION_EFFECT,
-                HARDWARE_FEEDBACK_VIBRATION_ATTRIBUTES
-            )
-            AudioManager.RINGER_MODE_NORMAL -> vibrator.vibrate(
-                MODE_NORMAL_EFFECT,
-                HARDWARE_FEEDBACK_VIBRATION_ATTRIBUTES
-            )
+    private fun populateKeyState(vibrate: Boolean) {
+        when (File("/proc/tristatekey/tri_state").readText().trim()) {
+            "1" -> handleMode(POSITION_TOP, vibrate)
+            "2" -> handleMode(POSITION_MIDDLE, vibrate)
+            "3" -> handleMode(POSITION_BOTTOM, vibrate)
         }
     }
 
-    private fun handleMode(position: Int) {
+    private fun vibrateIfNeeded(mode: Int) {
+        when (mode) {
+            AudioManager.RINGER_MODE_VIBRATE ->
+                vibrator.vibrate(MODE_VIBRATION_EFFECT, HARDWARE_FEEDBACK_VIBRATION_ATTRIBUTES)
+            AudioManager.RINGER_MODE_NORMAL ->
+                vibrator.vibrate(MODE_NORMAL_EFFECT, HARDWARE_FEEDBACK_VIBRATION_ATTRIBUTES)
+        }
+    }
+
+    private fun handleMode(position: Int, vibrate: Boolean) {
         val muteMedia = sharedPreferences.getBoolean(MUTE_MEDIA_WITH_SILENT, false)
 
-        val mode = when (position) {
-            POSITION_TOP -> sharedPreferences.getString(ALERT_SLIDER_TOP_KEY, "0")!!.toInt()
-            POSITION_MIDDLE -> sharedPreferences.getString(ALERT_SLIDER_MIDDLE_KEY, "1")!!.toInt()
-            POSITION_BOTTOM -> sharedPreferences.getString(ALERT_SLIDER_BOTTOM_KEY, "2")!!.toInt()
-            else -> return
-        }
+        val mode =
+            when (position) {
+                POSITION_TOP -> sharedPreferences.getString(ALERT_SLIDER_TOP_KEY, "0")!!.toInt()
+                POSITION_MIDDLE ->
+                    sharedPreferences.getString(ALERT_SLIDER_MIDDLE_KEY, "1")!!.toInt()
+                POSITION_BOTTOM ->
+                    sharedPreferences.getString(ALERT_SLIDER_BOTTOM_KEY, "2")!!.toInt()
+                else -> return
+            }
 
         executorService.submit {
             when (mode) {
@@ -109,14 +122,17 @@ class KeyHandler(context: Context) : DeviceKeyHandler {
                         wasMuted = true
                     }
                 }
-                AudioManager.RINGER_MODE_VIBRATE, AudioManager.RINGER_MODE_NORMAL -> {
+                AudioManager.RINGER_MODE_VIBRATE,
+                AudioManager.RINGER_MODE_NORMAL -> {
                     setZenMode(Settings.Global.ZEN_MODE_OFF)
                     audioManager.ringerModeInternal = mode
                     if (muteMedia && wasMuted) {
                         audioManager.adjustVolume(AudioManager.ADJUST_UNMUTE, 0)
                     }
                 }
-                ZEN_PRIORITY_ONLY, ZEN_TOTAL_SILENCE, ZEN_ALARMS_ONLY -> {
+                ZEN_PRIORITY_ONLY,
+                ZEN_TOTAL_SILENCE,
+                ZEN_ALARMS_ONLY -> {
                     audioManager.ringerModeInternal = AudioManager.RINGER_MODE_NORMAL
                     setZenMode(mode - ZEN_OFFSET)
                     if (muteMedia && wasMuted) {
@@ -124,7 +140,10 @@ class KeyHandler(context: Context) : DeviceKeyHandler {
                     }
                 }
             }
-            vibrateIfNeeded(mode)
+
+            if (vibrate) {
+                vibrateIfNeeded(mode)
+            }
         }
     }
 

Pen/Android.bp

@@ -0,0 +1,30 @@
+//
+// SPDX-FileCopyrightText: 2025 The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+android_app {
+    name: "OplusPen",
+
+    srcs: ["src/**/*.kt"],
+
+    certificate: "platform",
+    platform_apis: true,
+    privileged: true,
+    system_ext_specific: true,
+
+    optimize: {
+        proguard_flags_files: ["proguard.flags"],
+    },
+    required: [
+        "default-permissions_org.lineageos.pen",
+    ],
+}
+
+prebuilt_etc {
+    name: "default-permissions_org.lineageos.pen",
+    system_ext_specific: true,
+    src: "default-permissions_org.lineageos.pen.xml",
+    sub_dir: "default-permissions",
+    filename_from_src: true,
+}

Pen/AndroidManifest.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="org.lineageos.pen">
+
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN"
+                     android:usesPermissionFlags="neverForLocation" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
+
+    <application
+        android:label="@string/app_name"
+        android:persistent="true"
+        android:usesNonSdkApi="true">
+        <receiver
+            android:exported="true"
+            android:name=".BootCompletedReceiver">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </receiver>
+        <service
+            android:exported="false"
+            android:name=".PenService" />
+    </application>
+</manifest>

Pen/default-permissions_org.lineageos.pen.xml

@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<exceptions>
+    <exception package="org.lineageos.pen">
+        <permission name="android.permission.BLUETOOTH_CONNECT" fixed="false" />
+        <permission name="android.permission.BLUETOOTH_SCAN" fixed="false" />
+        <permission name="android.permission.POST_NOTIFICATIONS" fixed="false" />
+    </exception>
+</exceptions>

Pen/proguard.flags

@@ -0,0 +1,3 @@
+-keep class org.lineageos.pen.* {
+  *;
+}

Pen/res/drawable/ic_stylus.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     SPDX-FileCopyrightText: Material Design Authors / Google LLC
+     SPDX-License-Identifier: Apache-2.0
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M167,840Q146,845 130.5,829.5Q115,814 120,793L160,602L358,800L167,840ZM358,800L160,602L618,144Q641,121 675,121Q709,121 732,144L816,228Q839,251 839,285Q839,319 816,342L358,800ZM675,200L261,614L346,699L760,285Q760,285 760,285Q760,285 760,285L675,200Q675,200 675,200Q675,200 675,200Z" />
+</vector>

Pen/res/values-az/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Qələm taxılıb</string>
+    <string name="tap_to_connect">Bağlanmaq üçün toxunun</string>
+</resources>

Pen/res/values-bg/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Дигитална писалка е сдвоена</string>
+    <string name="tap_to_connect">Натисни за сдвояване</string>
+</resources>

Pen/res/values-ca/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Bolígraf adjunt</string>
+    <string name="tap_to_connect">Toqueu per connectar</string>
+</resources>

Pen/res/values-cs/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pero připojeno</string>
+    <string name="tap_to_connect">Klepnutím připojit</string>
+</resources>

Pen/res/values-el/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Η γραφίδα προσαρτήθηκε</string>
+    <string name="tap_to_connect">Πατήστε για σύνδεση</string>
+</resources>

Pen/res/values-en-rAU/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pen attached</string>
+    <string name="tap_to_connect">Tap to connect</string>
+</resources>

Pen/res/values-en-rCA/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pen attached</string>
+    <string name="tap_to_connect">Tap to connect</string>
+</resources>

Pen/res/values-en-rGB/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pen attached</string>
+    <string name="tap_to_connect">Tap to connect</string>
+</resources>

Pen/res/values-en-rIN/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pen attached</string>
+    <string name="tap_to_connect">Tap to connect</string>
+</resources>

Pen/res/values-es/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Bolígrafo adjunto</string>
+    <string name="tap_to_connect">Toca para conectar</string>
+</resources>

Pen/res/values-fa/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">قلم متصل شد</string>
+    <string name="tap_to_connect">برای اتصال ضربه بزنید</string>
+</resources>

Pen/res/values-fr/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Stylo attaché</string>
+    <string name="tap_to_connect">Appuyer pour connecter</string>
+</resources>

Pen/res/values-ga-rIE/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Peann ceangailte</string>
+    <string name="tap_to_connect">Tapáil chun ceangal</string>
+</resources>

Pen/res/values-hu/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Toll mellékelve</string>
+    <string name="tap_to_connect">A csatlakoztatáshoz érintse meg</string>
+</resources>

Pen/res/values-it/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Penna attaccata</string>
+    <string name="tap_to_connect">Tocca per connettere</string>
+</resources>

Pen/res/values-iw/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">עט מצורף</string>
+    <string name="tap_to_connect">נגיעה להתחברות</string>
+</resources>

Pen/res/values-ja/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">ペンを装着しました</string>
+    <string name="tap_to_connect">タップして接続</string>
+</resources>

Pen/res/values-ka/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">კალამი მიუერთდა</string>
+    <string name="tap_to_connect">შეეხეთ მიერთებისთვის</string>
+</resources>

Pen/res/values-pl/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Dołączone pióro</string>
+    <string name="tap_to_connect">Dotknij, aby połączyć</string>
+</resources>

Pen/res/values-pt-rBR/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Caneta anexada</string>
+    <string name="tap_to_connect">Toque para conectar</string>
+</resources>

Pen/res/values-pt-rPT/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Caneta anexada</string>
+    <string name="tap_to_connect">Toque para conectar</string>
+</resources>

Pen/res/values-ro/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Stilou atașat</string>
+    <string name="tap_to_connect">Atingeți pentru a conecta</string>
+</resources>

Pen/res/values-ru/strings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="tap_to_connect">Нажмите, чтобы подключить</string>
+</resources>

Pen/res/values-sc-rIT/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pinna alligongiada</string>
+    <string name="tap_to_connect">Toca pro connètere</string>
+</resources>

Pen/res/values-sl/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Pisalo priključeno</string>
+    <string name="tap_to_connect">Tapnite za povezavo</string>
+</resources>

Pen/res/values-ta/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">எழுத்தாணி இணைக்கப்பட்டது</string>
+    <string name="tap_to_connect">இணைக்கத் தட்டுக</string>
+</resources>

Pen/res/values-ug/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">قەلەم ئۇلاندى</string>
+    <string name="tap_to_connect">چېكىلسە باغلىنىدۇ</string>
+</resources>

Pen/res/values-vi/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">Đã gắn bút</string>
+    <string name="tap_to_connect">Chạm để kết nối</string>
+</resources>

Pen/res/values-zh-rCN/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="pen_attached">笔已连接</string>
+    <string name="tap_to_connect">轻触以连接</string>
+</resources>

Pen/res/values/config.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <!-- Max supported refresh rate when using pen. -->
+    <string name="config_penSupportedRefreshRate" translatable="false"></string>
+</resources>

Pen/res/values/strings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    SPDX-FileCopyrightText: 2025 The LineageOS Project
+    SPDX-License-Identifier: Apache-2.0
+-->
+<resources>
+    <string name="app_name" translatable="false">OplusPen</string>
+    <string name="pen_attached">Pen attached</string>
+    <string name="tap_to_connect">Tap to connect</string>
+</resources>

Pen/src/org/lineageos/pen/BootCompletedReceiver.kt

@@ -1,9 +1,9 @@
 /*
- * Copyright (C) 2021 The LineageOS Project
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package org.lineageos.euicc
+package org.lineageos.pen
 
 import android.content.BroadcastReceiver
 import android.content.Context
@@ -13,10 +13,10 @@ import android.util.Log
 class BootCompletedReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) {
         Log.d(TAG, "Received boot completed intent")
-        EuiccDisabler.enableOrDisableEuicc(context)
+        context.startService(Intent(context, PenService::class.java))
     }
 
     companion object {
-        private const val TAG = "OplusEuiccBootReceiver"
+        private const val TAG = "OplusPenBootReceiver"
     }
 }

Pen/src/org/lineageos/pen/PenService.kt

@@ -0,0 +1,232 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.lineageos.pen
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.app.Service
+import android.bluetooth.BluetoothManager
+import android.bluetooth.le.ScanCallback
+import android.bluetooth.le.ScanFilter
+import android.bluetooth.le.ScanResult
+import android.bluetooth.le.ScanSettings
+import android.content.Intent
+import android.database.ContentObserver
+import android.hardware.input.InputManager
+import android.os.Handler
+import android.os.IBinder
+import android.os.UEventObserver
+import android.provider.Settings
+import android.provider.Settings.System.PEAK_REFRESH_RATE
+import android.util.Log
+
+class PenService : Service() {
+    private val bluetoothManager by lazy { getSystemService(BluetoothManager::class.java) }
+    private val inputManager by lazy { getSystemService(InputManager::class.java) }
+    private val notificationManager by lazy { getSystemService(NotificationManager::class.java) }
+
+    private val penSupportedRefreshRate by lazy {
+        getString(R.string.config_penSupportedRefreshRate)
+    }
+
+    private val handler by lazy { Handler(mainLooper) }
+
+    private val observer =
+        object : UEventObserver() {
+            private val lock = Any()
+
+            override fun onUEvent(event: UEvent) {
+                synchronized(lock) {
+                    val pencilStatus = event.get("pencil_status") ?: return
+                    val pencilAddr =
+                        event.get("pencil_addr")?.chunked(2)?.joinToString(":") { it.uppercase() }
+                            ?: return
+
+                    when (pencilStatus) {
+                        "0" -> notificationManager.cancel(NOTIFICATION_ID)
+                        "1" -> postNotification(pencilAddr)
+                    }
+                }
+            }
+        }
+
+    private val inputObserver =
+        object : InputManager.InputDeviceListener {
+            override fun onInputDeviceAdded(deviceId: Int) {
+                overridePeakRefreshRateIfNeeded()
+            }
+
+            override fun onInputDeviceRemoved(deviceId: Int) {
+                overridePeakRefreshRateIfNeeded()
+            }
+
+            override fun onInputDeviceChanged(deviceId: Int) {
+                // Do nothing
+            }
+        }
+
+    private val peakRefreshRateSettingsObserver by lazy {
+        object : ContentObserver(handler) {
+            override fun onChange(selfChange: Boolean) {
+                super.onChange(selfChange)
+
+                overridePeakRefreshRateIfNeeded()
+            }
+        }
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        intent?.getStringExtra(EXTRA_PENCIL_ADDR)?.let { bondBtDevice(it) }
+
+        return START_STICKY
+    }
+
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    override fun onCreate() {
+        super.onCreate()
+
+        if (!penSupportedRefreshRate.isEmpty()) {
+            contentResolver.registerContentObserver(
+                Settings.System.getUriFor(PEAK_REFRESH_RATE),
+                false,
+                peakRefreshRateSettingsObserver,
+            )
+            peakRefreshRateSettingsObserver.onChange(true)
+
+            inputManager.registerInputDeviceListener(inputObserver, handler)
+        }
+
+        observer.startObserving("DEVPATH=/devices/virtual/oplus_wireless/pencil")
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+
+        if (!penSupportedRefreshRate.isEmpty()) {
+            contentResolver.unregisterContentObserver(peakRefreshRateSettingsObserver)
+            inputManager.unregisterInputDeviceListener(inputObserver)
+        }
+
+        observer.stopObserving()
+    }
+
+    private fun bondBtDevice(pencilAddr: String) {
+        val adapter = bluetoothManager.adapter
+        @Suppress("DEPRECATION") adapter.enable()
+
+        val scanner = run {
+            repeat(50) {
+                adapter.bluetoothLeScanner?.let {
+                    return@run it
+                }
+                Thread.sleep(100)
+            }
+            return@run null
+        }
+        scanner?.startScan(
+            listOf(ScanFilter.Builder().setDeviceAddress(pencilAddr).build()),
+            ScanSettings.Builder()
+                .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY)
+                .setReportDelay(0L)
+                .build(),
+            object : ScanCallback() {
+                override fun onScanResult(callbackType: Int, result: ScanResult) {
+                    super.onScanResult(callbackType, result)
+                    scanner.stopScan(this)
+
+                    result.device.createBond()
+                }
+
+                override fun onBatchScanResults(results: MutableList<ScanResult>) {
+                    super.onBatchScanResults(results)
+                    scanner.stopScan(this)
+                }
+
+                override fun onScanFailed(errorCode: Int) {
+                    super.onScanFailed(errorCode)
+                    scanner.stopScan(this)
+                }
+            },
+        )
+    }
+
+    private fun overridePeakRefreshRateIfNeeded() {
+        val isPenConnected =
+            inputManager.inputDeviceIds.firstOrNull {
+                val device = inputManager.getInputDevice(it) ?: return@firstOrNull false
+                if (device.vendorId != 0x22D9 && device.vendorId != 0x330A) {
+                    // Not an OPPO/Maxeye vendor ID
+                    return@firstOrNull false
+                }
+                if (
+                    device.bluetoothAddress?.startsWith("C0:87:06") == false &&
+                        device.bluetoothAddress?.startsWith("F8:6F:DE") == false
+                ) {
+                    // Not a Maxeye/Goodix MAC prefix
+                    return@firstOrNull false
+                }
+                return@firstOrNull true
+            } != null
+        val peakRefreshRate = Settings.System.getString(contentResolver, PEAK_REFRESH_RATE)
+
+        if (isPenConnected && peakRefreshRate == "Infinity") {
+            Settings.System.putString(contentResolver, PEAK_REFRESH_RATE, penSupportedRefreshRate)
+        } else if (!isPenConnected && peakRefreshRate == penSupportedRefreshRate) {
+            Settings.System.putString(contentResolver, PEAK_REFRESH_RATE, "Infinity")
+        }
+    }
+
+    private fun postNotification(pencilAddr: String) {
+        val adapter = bluetoothManager.adapter
+
+        if (adapter.bondedDevices.contains(adapter.getRemoteDevice(pencilAddr))) {
+            Log.e(TAG, "$pencilAddr already bonded, bailing out")
+            return
+        }
+
+        if (notificationManager.getNotificationChannel(NOTIFICATION_CHANNEL_ID) == null) {
+            notificationManager.createNotificationChannel(
+                NotificationChannel(
+                    NOTIFICATION_CHANNEL_ID,
+                    NOTIFICATION_CHANNEL_ID,
+                    NotificationManager.IMPORTANCE_HIGH,
+                )
+            )
+        }
+
+        val contentIntent =
+            PendingIntent.getService(
+                this,
+                0,
+                Intent(this, PenService::class.java).apply {
+                    putExtra(EXTRA_PENCIL_ADDR, pencilAddr)
+                },
+                PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT,
+            )
+
+        val notification =
+            Notification.Builder(this, NOTIFICATION_CHANNEL_ID)
+                .setSmallIcon(R.drawable.ic_stylus)
+                .setContentTitle(getString(R.string.pen_attached))
+                .setContentText(getString(R.string.tap_to_connect))
+                .setContentIntent(contentIntent)
+                .setAutoCancel(true)
+                .build()
+        notificationManager.notify(NOTIFICATION_ID, notification)
+    }
+
+    companion object {
+        private const val TAG = "OplusPenService"
+
+        private const val EXTRA_PENCIL_ADDR = "pencil_addr"
+
+        private const val NOTIFICATION_CHANNEL_ID = "OplusPen"
+        private const val NOTIFICATION_ID = 1000
+    }
+}

README.md

@@ -0,0 +1,18 @@
+# hardware/oplus
+
+## Soong options
+
+| Namespace | Variable | Description | Default |
+| --------- | -------- | ----------- | ------- |
+| OPLUS_LINEAGE_LIVEDISPLAY_HAL | ENABLE_AB | Enable AdaptiveBacklight feature | false |
+| OPLUS_LINEAGE_LIVEDISPLAY_HAL | ENABLE_AF | Enable AntiFlicker feature | false |
+| OPLUS_LINEAGE_LIVEDISPLAY_HAL | ENABLE_DM | Enable DisplayModes feature | false |
+| OPLUS_LINEAGE_LIVEDISPLAY_HAL | ENABLE_PA | Enable PictureAdjustment feature | true |
+| OPLUS_LINEAGE_LIVEDISPLAY_HAL | ENABLE_SE | Enable SunlightEnhancement feature | true |
+| OPLUS_LINEAGE_TOUCH_HAL | ENABLE_GM | Enable GloveMode feature | false |
+| OPLUS_LINEAGE_TOUCH_HAL | ENABLE_HTPR | Enable HighTouchPollingRate feature | true |
+| OPLUS_LINEAGE_TOUCH_HAL | ENABLE_TG | Enable TouchscreenGesture feature | true |
+| OPLUS_LINEAGE_TOUCH_HAL | INCLUDE_DIR | Device specific include dir path | |
+| OPLUS_LINEAGE_TOUCH_HAL | USE_OPLUSTOUCH | Use and interface with stock OplusTouch | false |
+| OPLUS_LINEAGE_VIBRATOR_HAL | INCLUDE_DIR | Device specific include dir path | |
+| OPLUS_LINEAGE_VIBRATOR_HAL | USE_EFFECT_STREAM | Enable effect stream feature | false |

aidl/commondcs/Android.bp

@@ -0,0 +1,22 @@
+//
+// Copyright (C) 2025 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+cc_binary {
+    name: "vendor.oplus.hardware.commondcs-service",
+    vendor: true,
+    relative_install_path: "hw",
+    init_rc: ["vendor.oplus.hardware.commondcs-service.rc"],
+    vintf_fragments: ["vendor.oplus.hardware.commondcs-service.xml"],
+    srcs: [
+        "CommonDcsAidlHalService.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "vendor.oplus.hardware.commondcs-V1-ndk",
+    ],
+}

aidl/commondcs/CommonDcsAidlHalService.cpp

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2025 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "CommonDcsAidlHalService.h"
+
+namespace aidl {
+namespace vendor {
+namespace oplus {
+namespace hardware {
+namespace commondcs {
+
+ndk::ScopedAStatus CommonDcsAidlHalService::notifyMsgToCommonDcs(
+        const std::vector<StringPair>& data, const std::string& logTag, const std::string& eventId,
+        int32_t* _aidl_return) {
+    *_aidl_return = 0;
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace commondcs
+}  // namespace hardware
+}  // namespace oplus
+}  // namespace vendor
+}  // namespace aidl

aidl/commondcs/CommonDcsAidlHalService.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2025 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#include <aidl/vendor/oplus/hardware/commondcs/BnCommonDcsAidlHalService.h>
+
+namespace aidl {
+namespace vendor {
+namespace oplus {
+namespace hardware {
+namespace commondcs {
+
+struct CommonDcsAidlHalService : public BnCommonDcsAidlHalService {
+    ndk::ScopedAStatus notifyMsgToCommonDcs(const std::vector<StringPair>& data,
+                                            const std::string& logTag, const std::string& eventId,
+                                            int32_t* _aidl_return) final;
+};
+
+}  // namespace commondcs
+}  // namespace hardware
+}  // namespace oplus
+}  // namespace vendor
+}  // namespace aidl

aidl/commondcs/service.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2025 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "CommonDcsAidlHalService.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using ::aidl::vendor::oplus::hardware::commondcs::CommonDcsAidlHalService;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<CommonDcsAidlHalService> service =
+            ndk::SharedRefBase::make<CommonDcsAidlHalService>();
+
+    const std::string instance = std::string() + CommonDcsAidlHalService::descriptor + "/default";
+    binder_status_t status =
+            AServiceManager_addService(service->asBinder().get(), instance.c_str());
+    CHECK_EQ(status, STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

aidl/commondcs/vendor.oplus.hardware.commondcs-service.rc

@@ -0,0 +1,4 @@
+service vendor.commondcs /vendor/bin/hw/vendor.oplus.hardware.commondcs-service
+    class hal
+    user system
+    group system

aidl/commondcs/vendor.oplus.hardware.commondcs-service.xml

@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>vendor.oplus.hardware.commondcs</name>
+        <version>1</version>
+        <fqname>ICommonDcsAidlHalService/default</fqname>
+    </hal>
+</manifest>

aidl/ir/Android.bp

@@ -0,0 +1,19 @@
+cc_binary {
+    name: "android.hardware.ir-service.oplus",
+    vendor: true,
+    relative_install_path: "hw",
+    init_rc: ["android.hardware.ir-service.oplus.rc"],
+    vintf_fragments: ["android.hardware.ir-service.xml"],
+    srcs: [
+        "ConsumerIr.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "android.hardware.ir-V1-ndk",
+        "libbase",
+        "libbinder_ndk",
+    ],
+    header_libs: [
+        "kernel_headers.oplus",
+    ],
+}

aidl/ir/ConsumerIr.cpp

@@ -0,0 +1,77 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "ConsumerIr.h"
+
+#include <aidl/android/hardware/ir/ConsumerIrFreqRange.h>
+#include <android-base/logging.h>
+#include <android-base/unique_fd.h>
+#include <oplus/oplus_ir_core.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace ir {
+
+static constexpr int32_t MAX_PATTERN_TIME = 2000000;
+static constexpr int32_t MIN_FREQ = 20000;
+static constexpr int32_t MAX_FREQ = 60000;
+
+ConsumerIr::ConsumerIr() : supportedFreqs({{MIN_FREQ, MAX_FREQ}}) {}
+
+::ndk::ScopedAStatus ConsumerIr::getCarrierFreqs(std::vector<ConsumerIrFreqRange>* _aidl_return) {
+    *_aidl_return = supportedFreqs;
+    return ::ndk::ScopedAStatus::ok();
+}
+
+::ndk::ScopedAStatus ConsumerIr::transmit(int32_t carrierFreqHz,
+                                          const std::vector<int32_t>& pattern) {
+    if (carrierFreqHz < MIN_FREQ || carrierFreqHz > MAX_FREQ) {
+        LOG(ERROR) << "Invalid carrier frequency: " << carrierFreqHz;
+        return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    int32_t totalTime = 0;
+    for (int32_t value : pattern) {
+        if (value < 0) {
+            LOG(ERROR) << "Invalid pattern value: " << value;
+            return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+        }
+        totalTime += value;
+    }
+
+    if (totalTime > MAX_PATTERN_TIME) {
+        LOG(ERROR) << "Pattern is too long: " << totalTime << " us";
+        return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    ::android::base::unique_fd fd(open("/dev/oplus_consumer_ir", O_WRONLY));
+    if (!fd.ok()) {
+        LOG(ERROR) << "Failed to open /dev/oplus_consumer_ir: " << strerror(errno);
+        return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    size_t paramsSize = sizeof(struct pattern_params) + pattern.size() * sizeof(int32_t);
+    auto params = std::unique_ptr<struct pattern_params, decltype(&free)>(
+            static_cast<pattern_params*>(malloc(paramsSize)), free);
+    if (!params) {
+        LOG(ERROR) << "Failed to allocate memory for IR params";
+        return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    params->carrier_freq = carrierFreqHz;
+    params->size = pattern.size();
+    memcpy(params->pattern, pattern.data(), pattern.size() * sizeof(int32_t));
+
+    int result = ioctl(fd, IR_SEND_PATTERN, params.get());
+
+    return result < 0 ? ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION)
+                      : ::ndk::ScopedAStatus::ok();
+}
+
+}  // namespace ir
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl

aidl/ir/ConsumerIr.h

@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: 2025 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:
+    ConsumerIr();
+
+  private:
+    ::ndk::ScopedAStatus getCarrierFreqs(std::vector<ConsumerIrFreqRange>* _aidl_return) override;
+    ::ndk::ScopedAStatus transmit(int32_t carrierFreqHz,
+                                  const std::vector<int32_t>& pattern) override;
+
+    std::vector<ConsumerIrFreqRange> supportedFreqs;
+};
+
+}  // namespace ir
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl

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

@@ -0,0 +1,9 @@
+on boot
+    chown system system /dev/oplus_consumer_ir
+    chmod 0644 /dev/oplus_consumer_ir
+
+service vendor.ir-default /vendor/bin/hw/android.hardware.ir-service.oplus
+    class hal
+    user system
+    group system
+    interface aidl android.hardware.ir.IConsumerIr/default

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

@@ -0,0 +1,7 @@
+<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

@@ -0,0 +1,25 @@
+/*
+ * SPDX-FileCopyrightText: 2025 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> consumerIr = ndk::SharedRefBase::make<ConsumerIr>();
+
+    const std::string instance = std::string() + ConsumerIr::descriptor + "/default";
+    binder_status_t status =
+            AServiceManager_addService(consumerIr->asBinder().get(), instance.c_str());
+    CHECK_EQ(status, STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

aidl/livedisplay/AdaptiveBacklight.cpp

@@ -0,0 +1,46 @@
+/*
+ * SPDX-FileCopyrightText: 2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "AdaptiveBacklightService"
+
+#include <android-base/logging.h>
+#include <fcntl.h>
+#include <livedisplay/oplus/AdaptiveBacklight.h>
+#include <oplus/oplus_display_panel.h>
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace livedisplay {
+
+AdaptiveBacklight::AdaptiveBacklight() : mOplusDisplayFd(open("/dev/oplus_display", O_RDWR)) {}
+
+ndk::ScopedAStatus AdaptiveBacklight::getEnabled(bool* _aidl_return) {
+    unsigned int value;
+    if (ioctl(mOplusDisplayFd, PANEL_IOCTL_GET_CABC_STATUS, &value) != 0) {
+        LOG(ERROR) << "Failed to read current AdaptiveBacklight state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    *_aidl_return = value > 0;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AdaptiveBacklight::setEnabled(bool enabled) {
+    bool isEnabled;
+    if (auto status = getEnabled(&isEnabled); !status.isOk()) {
+        return status;
+    }
+    unsigned int value = enabled;
+    if (isEnabled != enabled && ioctl(mOplusDisplayFd, PANEL_IOCTL_SET_CABC_STATUS, &value) != 0) {
+        LOG(ERROR) << "Failed to set AdaptiveBacklight state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace livedisplay
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl

aidl/livedisplay/Android.bp

@@ -0,0 +1,90 @@
+//
+// SPDX-FileCopyrightText: 2019-2025 The LineageOS Project
+// SPDX-License-Identifier: Apache-2.0
+//
+
+filegroup {
+    name: "vendor.lineage.livedisplay-oplus-ab",
+    srcs: ["AdaptiveBacklight.cpp"],
+}
+
+filegroup {
+    name: "vendor.lineage.livedisplay-oplus-af",
+    srcs: ["AntiFlicker.cpp"],
+}
+
+filegroup {
+    name: "vendor.lineage.livedisplay-oplus-dm",
+    srcs: ["DisplayModes.cpp"],
+}
+
+filegroup {
+    name: "vendor.lineage.livedisplay-oplus-se",
+    srcs: ["SunlightEnhancement.cpp"],
+}
+
+cc_library_headers {
+    name: "vendor.lineage.livedisplay-oplus-headers",
+    vendor_available: true,
+    export_include_dirs: ["include"],
+}
+
+cc_binary {
+    name: "vendor.lineage.livedisplay-service.oplus",
+    init_rc: ["vendor.lineage.livedisplay-service.oplus.rc"],
+    vintf_fragments: select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_AB"), {
+        "true": ["vendor.lineage.livedisplay-service.oplus-ab.xml"],
+        default: [],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_AF"), {
+        "true": ["vendor.lineage.livedisplay-service.oplus-af.xml"],
+        default: [],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_DM"), {
+        "true": ["vendor.lineage.livedisplay-service.oplus-dm.xml"],
+        default: [],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_PA"), {
+        "false": [],
+        default: ["vendor.lineage.livedisplay-service.oplus-pa.xml"],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_SE"), {
+        "false": [],
+        default: ["vendor.lineage.livedisplay-service.oplus-se.xml"],
+    }),
+    relative_install_path: "hw",
+    srcs: [
+        ":vendor.lineage.livedisplay-sdm-pa",
+        ":vendor.lineage.livedisplay-sdm-utils",
+        ":vendor.lineage.livedisplay-oplus-ab",
+        ":vendor.lineage.livedisplay-oplus-af",
+        ":vendor.lineage.livedisplay-oplus-dm",
+        ":vendor.lineage.livedisplay-oplus-se",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "libbinder",
+        "libutils",
+        "vendor.lineage.livedisplay-V1-ndk",
+    ],
+    header_libs: [
+        "kernel_headers.oplus",
+        "vendor.lineage.livedisplay-sdm-headers",
+        "vendor.lineage.livedisplay-oplus-headers",
+    ],
+    cflags: select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_AB"), {
+        "true": ["-DENABLE_AB=true"],
+        default: ["-DENABLE_AB=false"],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_AF"), {
+        "true": ["-DENABLE_AF=true"],
+        default: ["-DENABLE_AF=false"],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_DM"), {
+        "true": ["-DENABLE_DM=true"],
+        default: ["-DENABLE_DM=false"],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_PA"), {
+        "false": ["-DENABLE_PA=false"],
+        default: ["-DENABLE_PA=true"],
+    }) + select(soong_config_variable("OPLUS_LINEAGE_LIVEDISPLAY_HAL", "ENABLE_SE"), {
+        "false": ["-DENABLE_SE=false"],
+        default: ["-DENABLE_SE=true"],
+    }),
+    proprietary: true,
+}

aidl/livedisplay/AntiFlicker.cpp

@@ -0,0 +1,50 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2025 The LineageOS Project
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "AntiFlickerService"
+
+#include <android-base/logging.h>
+#include <fcntl.h>
+#include <livedisplay/oplus/AntiFlicker.h>
+#include <oplus/oplus_display_panel.h>
+
+namespace aidl {
+namespace vendor {
+namespace lineage {
+namespace livedisplay {
+
+AntiFlicker::AntiFlicker() : mOplusDisplayFd(open("/dev/oplus_display", O_RDWR)) {}
+
+ndk::ScopedAStatus AntiFlicker::getEnabled(bool* _aidl_return) {
+    unsigned int value;
+    if (ioctl(mOplusDisplayFd, PANEL_IOCTL_GET_PWM_PULSE, &value) != 0 &&
+        ioctl(mOplusDisplayFd, PANEL_IOCTL_GET_PWM_TURBO, &value) != 0 &&
+        ioctl(mOplusDisplayFd, PANEL_IOCTL_GET_DIMLAYER_BL_EN, &value) != 0) {
+        LOG(ERROR) << "Failed to read current AntiFlicker state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    *_aidl_return = value > 0;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AntiFlicker::setEnabled(bool enabled) {
+    bool isEnabled;
+    if (auto status = getEnabled(&isEnabled); !status.isOk()) {
+        return status;
+    }
+    unsigned int value = enabled;
+    if (isEnabled != enabled && ioctl(mOplusDisplayFd, PANEL_IOCTL_SET_PWM_PULSE, &value) != 0 &&
+        ioctl(mOplusDisplayFd, PANEL_IOCTL_SET_PWM_TURBO, &value) != 0 &&
+        ioctl(mOplusDisplayFd, PANEL_IOCTL_SET_DIMLAYER_BL_EN, &value) != 0) {
+        LOG(ERROR) << "Failed to set AntiFlicker state";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace livedisplay
+}  // namespace lineage
+}  // namespace vendor
+}  // namespace aidl