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

Commit db21284a authored by Jeff Brown's avatar Jeff Brown
Browse files

Disable use of twilight mode for auto-brightness. 

This adjustment is still experimental.

Bug: 7165399
Change-Id: I3fcf361933995d02a5329eeaec80155b39371ba3
parent 3dc524bc

core/java/android/os/PowerManager.java

+9 −0
Original line number Diff line number Diff line
@@ -339,6 +339,15 @@ public final class PowerManager { 
        return SystemProperties.getBoolean("persist.power.useautobrightadj", false);

    }



    /**

     * Returns true if the twilight service should be used to adjust screen brightness

     * policy.  This setting is experimental and disabled by default.

     * @hide

     */

    public static boolean useTwilightAdjustmentFeature() {

        return SystemProperties.getBoolean("persist.power.usetwilightadj", false);

    }



    /**

     * Creates a new wake lock with the specified level and flags.

     * <p>

services/java/com/android/server/power/DisplayPowerController.java

+2 −2
Original line number Diff line number Diff line
@@ -44,7 +44,6 @@ import android.util.TimeUtils; 
import android.view.Display;



import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.concurrent.Executor;



/**
@@ -95,7 +94,8 @@ final class DisplayPowerController { 
    // when it is especially dark outside.  The light sensor tends to perform

    // poorly at low light levels so we compensate for it by making an

    // assumption about the environment.

    private static final boolean USE_TWILIGHT_ADJUSTMENT = true;

    private static final boolean USE_TWILIGHT_ADJUSTMENT =

            PowerManager.useTwilightAdjustmentFeature();



    // Specifies the maximum magnitude of the time of day adjustment.

    private static final float TWILIGHT_ADJUSTMENT_MAX_GAMMA = 1.5f;