Merge "Set screen brightness to match sensor at power on." into jb-dev (8c4b40ec) · Commits · e / os / android_frameworks_base

services/java/com/android/server/PowerManagerService.java

+19 −8

Original line number	Diff line number	Diff line
		@@ -244,6 +244,7 @@ public class PowerManagerService extends IPowerManager.Stub
		private Handler mHandler;
		private final TimeoutTask mTimeoutTask = new TimeoutTask();
		private ScreenBrightnessAnimator mScreenBrightnessAnimator;
		private boolean mWaitingForFirstLightSensor = false;
		private boolean mStillNeedSleepNotification;
		private boolean mIsPowered = false;
		private IActivityManager mActivityService;
		@@ -1755,7 +1756,11 @@ public class PowerManagerService extends IPowerManager.Stub
		mLastScreenOnTime = (on ? SystemClock.elapsedRealtime() : 0);
		if (mUseSoftwareAutoBrightness) {
		enableLightSensorLocked(on);
		if (!on) {
		if (on) {
		// If AutoBrightness is enabled, set the brightness immediately after the
		// next sensor value is received.
		mWaitingForFirstLightSensor = mAutoBrightessEnabled;
		} else {
		// make sure button and key backlights are off too
		mButtonLight.turnOff();
		mKeyboardLight.turnOff();
		@@ -2636,7 +2641,7 @@ public class PowerManagerService extends IPowerManager.Stub

		private void lightSensorChangedLocked(int value, boolean immediate) {
		if (mDebugLightSensor) {
		Slog.d(TAG, "lightSensorChangedLocked " + value);
		Slog.d(TAG, "lightSensorChangedLocked value=" + value + " immediate=" + immediate);
		}

		// Don't do anything if the screen is off.
		@@ -3212,7 +3217,9 @@ public class PowerManagerService extends IPowerManager.Stub
		private void enableLightSensorLocked(boolean enable) {
		if (mDebugLightSensor) {
		Slog.d(TAG, "enableLightSensorLocked enable=" + enable
		+ " mAutoBrightessEnabled=" + mAutoBrightessEnabled);
		+ " mLightSensorEnabled=" + mLightSensorEnabled
		+ " mAutoBrightessEnabled=" + mAutoBrightessEnabled
		+ " mWaitingForFirstLightSensor=" + mWaitingForFirstLightSensor);
		}
		if (!mAutoBrightessEnabled) {
		enable = false;
		@@ -3226,8 +3233,8 @@ public class PowerManagerService extends IPowerManager.Stub
		// reset our highest value when reenabling
		mHighestLightSensorValue = -1;
		// force recompute of backlight values
		if (mLightSensorValue >= 0) {
		int value = (int)mLightSensorValue;
		final int value = (int)mLightSensorValue;
		if (value >= 0) {
		mLightSensorValue = -1;
		handleLightSensorValue(value, true);
		}
		@@ -3291,8 +3298,9 @@ public class PowerManagerService extends IPowerManager.Stub

		private void handleLightSensorValue(int value, boolean immediate) {
		long milliseconds = SystemClock.elapsedRealtime();
		if (mLightSensorValue == -1 \|\|
		milliseconds < mLastScreenOnTime + mLightSensorWarmupTime) {
		if (mLightSensorValue == -1
		\|\| milliseconds < mLastScreenOnTime + mLightSensorWarmupTime
		\|\| mWaitingForFirstLightSensor) {
		// process the value immediately if screen has just turned on
		mHandler.removeCallbacks(mAutoBrightnessTask);
		mLightSensorPendingDecrease = false;
		@@ -3327,7 +3335,10 @@ public class PowerManagerService extends IPowerManager.Stub
		if (isScreenTurningOffLocked()) {
		return;
		}
		handleLightSensorValue((int)event.values[0], false);
		handleLightSensorValue((int)event.values[0], mWaitingForFirstLightSensor);
		if (mWaitingForFirstLightSensor) {
		mWaitingForFirstLightSensor = false;
		}
		}
		}