batteryservice: Use Alpha channel for segmented LED power level

 * Allows proper usage of the RGB color down the liblights layers,
    and custom liblights will implement the usage of alpha value

Change-Id: I40e2867051d5296f3045bcb85958c59793bc86cc

1 files changed, 4 insertions, 6 deletions

diff --git a/services/core/java/com/android/server/BatteryService.java b/services/core/java/com/android/server/BatteryService.java
index fd04811..839ba6e 100644
--- a/services/core/java/com/android/server/BatteryService.java
+++ b/services/core/java/com/android/server/BatteryService.java
@@ -1050,8 +1050,8 @@ public final class BatteryService extends SystemService {
             mBatteryLedOff = context.getResources().getInteger(
                     com.android.internal.R.integer.config_notificationsBatteryLedOff);
 
-            // Does a device have a segmented battery LED? In this case, we send the level
-            // in the lower 8 bits of the color and let the HAL sort it out.
+            // Does the Device have segmented battery LED support? In this case, we send the level
+            // in the alpha channel of the color and let the HAL sort it out.
             mUseSegmentedBatteryLed = context.getResources().getBoolean(
                     org.cyanogenmod.platform.internal.R.bool.config_useSegmentedBatteryLed);
         }
@@ -1095,14 +1095,12 @@ public final class BatteryService extends SystemService {
 
             final int level = mBatteryProps.batteryLevel;
             final int status = mBatteryProps.batteryStatus;
+            mNotificationLedBrightnessLevel = mUseSegmentedBatteryLed ? level :
+                    LIGHT_BRIGHTNESS_MAXIMUM;
 
             if (!mLightEnabled) {
                 // No lights if explicitly disabled
                 mBatteryLight.turnOff();
-            } else if (mUseSegmentedBatteryLed &&
-                    (status == BatteryManager.BATTERY_STATUS_CHARGING
-                    || status == BatteryManager.BATTERY_STATUS_FULL)) {
-                mBatteryLight.setColor(level);
             } else if (level < mLowBatteryWarningLevel) {
                 mBatteryLight.setModes(mNotificationLedBrightnessLevel,
                         mMultipleLedsEnabled);