From 45d3b655500ce8f8a00030d187513d14f449f964 Mon Sep 17 00:00:00 2001
From: Chris Lu <luchris@google.com>
Date: Thu, 9 Dec 2021 17:22:58 +0800
Subject: [PATCH] Create initial config.xml

Create config.xml to support device suspend when screen off due to
p-sensor and enable adaptive brightness. A follow up patch may be
needed after tuning the auto brightness table.

Bug: 208528546
Test: brightness and adaptive brightness manual test
Change-Id: Ie559cbb2d656d4c5d46d28e200f44d27d2e037a6
---
 .../base/core/res/res/values/config.xml       | 114 ++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 cheetah/overlay/frameworks/base/core/res/res/values/config.xml

diff --git a/cheetah/overlay/frameworks/base/core/res/res/values/config.xml b/cheetah/overlay/frameworks/base/core/res/res/values/config.xml
new file mode 100644
index 0000000..62fe42a
--- /dev/null
+++ b/cheetah/overlay/frameworks/base/core/res/res/values/config.xml
@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2021, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- Indicate whether to allow the device to suspend when the screen is off
+         due to the proximity sensor.  This resource should only be set to true
+         if the sensor HAL correctly handles the proximity sensor as a wake-up source.
+         Otherwise, the device may fail to wake out of suspend reliably.
+         The default is false. -->
+    <bool name="config_suspendWhenScreenOffDueToProximity">true</bool>
+
+    <!-- Flag indicating whether the we should enable the automatic brightness in Settings.
+         Software implementation will be used if config_hardware_auto_brightness_available is not set -->
+    <bool name="config_automatic_brightness_available">true</bool>
+
+    <!-- Minimum screen brightness allowed by the power manager. -->
+    <integer name="config_screenBrightnessDim">6</integer>
+
+    <!-- Minimum screen brightness setting allowed by power manager.
+         The user is forbidden from setting the brightness below this level.  -->
+    <item name="config_screenBrightnessSettingMinimumFloat" format="float" type="dimen">0.0</item>
+
+    <!-- Maximum screen brightness allowed by the power manager.
+         The user is forbidden from setting the brightness above this level. -->
+    <item name="config_screenBrightnessSettingMaximumFloat" format="float" type="dimen">1.0</item>
+
+    <!-- Default screen brightness setting
+         Must be in the range specified by minimum and maximum. -->
+    <item name="config_screenBrightnessSettingDefaultFloat" format="float" type="dimen">0.17429718</item>
+
+    <!-- Array of light sensor LUX values to define our levels for auto backlight brightness support.
+      The N entries of this array define N  1 zones as follows:
+         Zone 0:        0 <= LUX < array[0]
+         Zone 1:        array[0] <= LUX < array[1]
+         ...
+         Zone N:        array[N - 1] <= LUX < array[N]
+         Zone N + 1     array[N] <= LUX < infinity
+         Must be overridden in platform specific overlays -->
+    <integer-array name="config_autoBrightnessLevels">
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+        <item>4</item>
+        <item>8</item>
+        <item>12</item>
+        <item>20</item>
+        <item>33</item>
+        <item>55</item>
+        <item>90</item>
+        <item>148</item>
+        <item>245</item>
+        <item>403</item>
+        <item>665</item>
+        <item>1097</item>
+        <item>1808</item>
+        <item>2981</item>
+        <item>5000</item>
+        <item>10000</item>
+        <item>20000</item>
+    </integer-array>
+
+    <!-- Array of desired screen brightness in nits corresponding to the lux values
+      in the config_autoBrightnessLevels array. As with config_screenBrightnessMinimumNits and
+      config_screenBrightnessMaximumNits, the display brightness is defined as the measured
+      brightness of an all-white image.
+
+      If this is defined then:
+      - config_autoBrightnessLcdBacklightValues should not be defined
+      - config_screenBrightnessNits must be defined
+      - config_screenBrightnessBacklight must be defined
+
+      This array should have size one greater than the size of the config_autoBrightnessLevels
+      array. The brightness values must be non-negative and non-decreasing. This must be
+      overridden in platform specific overlays -->
+    <array name="config_autoBrightnessDisplayValuesNits">
+      <item>5.139055</item>       <!--  0 - 1 -->
+      <item>9.962018965</item>    <!--  1 - 2 -->
+      <item>18.34822964</item>    <!--  2 - 3 -->
+      <item>21.55068128</item>    <!--  3 - 4 -->
+      <item>24.0167788</item>     <!--  4 - 8 -->
+      <item>30.62162162</item>    <!--  8 - 12 -->
+      <item>35.09486396</item>    <!--  12 - 20 -->
+      <item>41.2249643</item>     <!--  20 - 33 -->
+      <item>47.6760716</item>     <!--  33 - 55 -->
+      <item>55.73002427</item>    <!--  55 - 90 -->
+      <item>66.24126116</item>    <!--  90 - 148 -->
+      <item>79.67614115</item>    <!--  148 - 245 -->
+      <item>98.04727274</item>    <!--  245 - 403 -->
+      <item>125.1221991</item>    <!--  403 - 665 -->
+      <item>161.6875093</item>    <!--  665 - 1097 -->
+      <item>208.4885553</item>    <!--  1097 - 1808 -->
+      <item>264.8221315</item>    <!--  1808 - 2981 -->
+      <item>327.8974352</item>    <!--  2981 - 5000 -->
+      <item>401.1676739</item>    <!--  5000 - 10000 -->
+      <item>750.0</item>          <!--  10000 -20000 -->
+      <item>1100.0</item>          <!--  20000+ -->
+    </array>
+</resources>