Merge "Clean up framework brightness system" into sc-dev am: 2bb1f86a17

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15175190

Change-Id: Iaeb3d421888359b0d0957103c3bf32ba8c4f8d06

1 files changed, 10 insertions, 0 deletions

diff --git a/core/java/com/android/internal/display/BrightnessSynchronizer.java b/core/java/com/android/internal/display/BrightnessSynchronizer.java
index 19183b8eb9e7..c9a9e51dceed 100644
--- a/core/java/com/android/internal/display/BrightnessSynchronizer.java
+++ b/core/java/com/android/internal/display/BrightnessSynchronizer.java
@@ -154,10 +154,20 @@ public class BrightnessSynchronizer {
         }
     }
 
+    /**
+     * Gets the stored screen brightness float value from the display brightness setting.
+     * @return brightness
+     */
     private float getScreenBrightnessFloat() {
         return mDisplayManager.getBrightness(Display.DEFAULT_DISPLAY);
     }
 
+    /**
+     * Gets the stored screen brightness int from the system settings.
+     * @param context for accessing settings
+     *
+     * @return brightness
+     */
     private static int getScreenBrightnessInt(Context context) {
         return Settings.System.getIntForUser(context.getContentResolver(),
                 Settings.System.SCREEN_BRIGHTNESS, PowerManager.BRIGHTNESS_INVALID,