Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e02db663 authored by Michael Wright's avatar Michael Wright
Browse files

Allow the light sensor type to be defined per-device. 

This lets us use specialized light sensors where available.

Bug: 126548097
Test: manual
Change-Id: I760156ad9f97349a1dd109993b803fa5d2d33bf8
parent 2fbf90c6

core/res/res/values/config.xml

+4 −0
Original line number Diff line number Diff line
@@ -3943,4 +3943,8 @@ 
    <!-- The default peak refresh rate for a given device. Change this value if you want to allow

         for higher refresh rates to be automatically used out of the box -->

    <integer name="config_defaultPeakRefreshRate">60</integer>



    <!-- The type of the light sensor to be used by the display framework for things like

         auto-brightness. If unset, then it just gets the default sensor of type TYPE_LIGHT. -->

    <string name="config_displayLightSensorType" translatable="false" />

</resources>

core/res/res/values/symbols.xml

+4 −0
Original line number Diff line number Diff line
@@ -3693,5 +3693,9 @@ 
  <java-symbol type="string" name="mime_type_presentation" />

  <java-symbol type="string" name="mime_type_presentation_ext" />



  <!-- For high refresh rate displays -->

  <java-symbol type="integer" name="config_defaultPeakRefreshRate" />



  <!-- For Auto-Brightness -->

  <java-symbol type="string" name="config_displayLightSensorType" />

</resources>

services/core/java/com/android/server/display/AutomaticBrightnessController.java

+2 −2
Original line number Diff line number Diff line
@@ -216,7 +216,7 @@ class AutomaticBrightnessController { 
    private PackageManager mPackageManager;



    public AutomaticBrightnessController(Callbacks callbacks, Looper looper,

            SensorManager sensorManager, BrightnessMappingStrategy mapper,

            SensorManager sensorManager, Sensor lightSensor, BrightnessMappingStrategy mapper,

            int lightSensorWarmUpTime, int brightnessMin, int brightnessMax, float dozeScaleFactor,

            int lightSensorRate, int initialLightSensorRate, long brighteningLightDebounceConfig,

            long darkeningLightDebounceConfig, boolean resetAmbientLuxAfterWarmUpConfig,
@@ -249,7 +249,7 @@ class AutomaticBrightnessController { 
            new AmbientLightRingBuffer(mNormalLightSensorRate, mAmbientLightHorizon);



        if (!DEBUG_PRETEND_LIGHT_SENSOR_ABSENT) {

            mLightSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);

            mLightSensor = lightSensor;

        }



        mActivityTaskManager = ActivityTaskManager.getService();

services/core/java/com/android/server/display/DisplayPowerController.java

+20 −1
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ import android.os.SystemClock; 
import android.os.Trace;

import android.os.UserHandle;

import android.provider.Settings;

import android.text.TextUtils;

import android.util.MathUtils;

import android.util.Slog;

import android.util.TimeUtils;
@@ -58,6 +59,7 @@ import com.android.server.display.whitebalance.DisplayWhiteBalanceSettings; 
import com.android.server.policy.WindowManagerPolicy;



import java.io.PrintWriter;

import java.util.List;



/**

 * Controls the power state of the display.
@@ -474,10 +476,14 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
            int shortTermModelTimeout = resources.getInteger(

                    com.android.internal.R.integer.config_autoBrightnessShortTermModelTimeout);



            String lightSensorType = resources.getString(

                    com.android.internal.R.string.config_displayLightSensorType);

            Sensor lightSensor = findDisplayLightSensor(lightSensorType);



            mBrightnessMapper = BrightnessMappingStrategy.create(resources);

            if (mBrightnessMapper != null) {

                mAutomaticBrightnessController = new AutomaticBrightnessController(this,

                        handler.getLooper(), sensorManager, mBrightnessMapper,

                        handler.getLooper(), sensorManager, lightSensor, mBrightnessMapper,

                        lightSensorWarmUpTimeConfig, mScreenBrightnessRangeMinimum,

                        mScreenBrightnessRangeMaximum, dozeScaleFactor, lightSensorRate,

                        initialLightSensorRate, brighteningLightDebounce, darkeningLightDebounce,
@@ -530,6 +536,19 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
        mDisplayWhiteBalanceController = displayWhiteBalanceController;

    }



    private Sensor findDisplayLightSensor(String sensorType) {

        if (!TextUtils.isEmpty(sensorType)) {

            List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_ALL);

            for (int i = 0; i < sensors.size(); i++) {

                Sensor sensor = sensors.get(i);

                if (sensorType.equals(sensor.getStringType())) {

                    return sensor;

                }

            }

        }

        return mSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);

    }



    /**

     * Returns true if the proximity sensor screen-off function is available.

     */