Android/frameworks_base
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Don't turn on keyboard backlights when keyboard is closed in auto brightness mode.

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For framework light sensor support (does not affect hardware based approach).

Change-Id: I6896a7c5b3fd3ed136c4f25c63a0e5813c349f68
Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
2009-10-29 21:29:15 -04:00
parent aa66ea880f
commit df024920eb
1 changed files with 16 additions and 2 deletions
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18
services/java/com/android/server/PowerManagerService.java
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@@ -1922,7 +1922,12 @@ class PowerManagerService extends IPowerManager.Stub
if ((mPowerState & BATTERY_LOW_BIT) == 0) {
int lcdValue = getAutoBrightnessValue(value, mLcdBacklightValues);
int buttonValue = getAutoBrightnessValue(value, mButtonBacklightValues);
int keyboardValue = getAutoBrightnessValue(value, mKeyboardBacklightValues);
int keyboardValue;
if (mKeyboardVisible) {
keyboardValue = getAutoBrightnessValue(value, mKeyboardBacklightValues);
} else {
keyboardValue = 0;
}
mLightSensorBrightness = lcdValue;
if (mDebugLightSensor) {
@@ -2044,6 +2049,14 @@ class PowerManagerService extends IPowerManager.Stub
// will take care of turning on due to a true change to the lid
// switch and synchronized with the lock screen.
if ((mPowerState & SCREEN_ON_BIT) != 0) {
if (mAutoBrightessEnabled && mUseSoftwareAutoBrightness) {
// force recompute of backlight values
if (mLightSensorValue >= 0) {
int value = (int)mLightSensorValue;
mLightSensorValue = -1;
lightSensorChangedLocked(value);
}
}
userActivity(SystemClock.uptimeMillis(), false, BUTTON_EVENT, true);
}
}
@@ -2273,7 +2286,8 @@ class PowerManagerService extends IPowerManager.Stub
// Don't let applications turn the screen all the way off
brightness = Math.max(brightness, Power.BRIGHTNESS_DIM);
mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_BACKLIGHT, brightness);
mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_KEYBOARD, brightness);
mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_KEYBOARD,
(mKeyboardVisible ? brightness : 0));
mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_BUTTONS, brightness);
long identity = Binder.clearCallingIdentity();
try {