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Commit 631938f2 authored by Jeff Brown's avatar Jeff Brown
Browse files

Enable auto-brightness adjustment feature with system prop. 

This feature is experimental and disabled by default.

Change-Id: I183534370da7613557e4d1535f556873f8a763df
parent e08ae388

core/java/android/os/PowerManager.java

+9 −0
Original line number Diff line number Diff line
@@ -330,6 +330,15 @@ public final class PowerManager { 
                com.android.internal.R.integer.config_screenBrightnessSettingDefault);

    }



    /**

     * Returns true if the screen auto-brightness adjustment setting should

     * be available in the UI.  This setting is experimental and disabled by default.

     * @hide

     */

    public static boolean useScreenAutoBrightnessAdjustmentFeature() {

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

    }



    /**

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

     * <p>

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

+2 −1
Original line number Diff line number Diff line
@@ -83,7 +83,8 @@ final class DisplayPowerController { 
    private static final boolean USE_ELECTRON_BEAM_ON_ANIMATION = false;



    // If true, enables the use of the screen auto-brightness adjustment setting.

    private static final boolean USE_SCREEN_AUTO_BRIGHTNESS_ADJUSTMENT = false;

    private static final boolean USE_SCREEN_AUTO_BRIGHTNESS_ADJUSTMENT =

            PowerManager.useScreenAutoBrightnessAdjustmentFeature();



    // The maximum range of gamma adjustment possible using the screen

    // auto-brightness adjustment setting.