From f0cb46cd6530100e2b31625371a6715c3e2a465d Mon Sep 17 00:00:00 2001
From: mochangming <mochangming@xiaomi.com>
Date: Tue, 29 Dec 2015 13:55:24 +0800
Subject: [PATCH] Animate backlight quickly when display state request to
 change or power mode changed

  * mAppliedDimming should be false when power request policy is not dim.
  * mAppliedLowPower should be false when low power mode is disabled.
  * Backlight brightness changes quickly.

Change-Id: I44bf9c216554f8dce5abd0520f198824df5e8dcf
Signed-off-by: mochangming <mochangming@xiaomi.com>
---
 .../com/android/server/display/DisplayPowerController.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 433d8876dee70..b74b0f2e3caa1 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -673,6 +673,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
                 slowChange = false;
             }
             mAppliedDimming = true;
+        } else if (mAppliedDimming) {
+            slowChange = false;
+            mAppliedDimming = false;
         }
 
         // If low power mode is enabled, cut the brightness level by half
@@ -685,6 +688,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
                 slowChange = false;
             }
             mAppliedLowPower = true;
+        } else if (mAppliedLowPower) {
+            slowChange = false;
+            mAppliedLowPower = false;
         }
 
         // Animate the screen brightness when the screen is on or dozing.