diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 0536d000cf2b2..1a3d9fb888154 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -578,6 +578,9 @@
Software implementation will be used if config_hardware_auto_brightness_available is not set -->
false
+
+ 200
+
true
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e83e4db37e60f..7d19e99f65eb7 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1766,6 +1766,7 @@
+
diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 1ed7070d2586a..8f8afd5615f33 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -103,7 +103,6 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
private static final float TYPICAL_PROXIMITY_THRESHOLD = 5.0f;
// Brightness animation ramp rate in brightness units per second.
- private static final int BRIGHTNESS_RAMP_RATE_FAST = 200;
private static final int BRIGHTNESS_RAMP_RATE_SLOW = 40;
private static final int REPORTED_TO_POLICY_SCREEN_OFF = 0;
@@ -244,6 +243,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
private boolean mAppliedDimming;
private boolean mAppliedLowPower;
+ // Brightness ramp rate fast.
+ private final int mBrightnessRampRateFast;
+
// The controller for the automatic brightness level.
private AutomaticBrightnessController mAutomaticBrightnessController;
@@ -303,6 +305,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
mAllowAutoBrightnessWhileDozingConfig = resources.getBoolean(
com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing);
+ mBrightnessRampRateFast = resources.getInteger(
+ com.android.internal.R.integer.config_brightness_ramp_rate_fast);
+
int lightSensorRate = resources.getInteger(
com.android.internal.R.integer.config_autoBrightnessLightSensorRate);
long brighteningLightDebounce = resources.getInteger(
@@ -698,7 +703,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
if (!mPendingScreenOff) {
if (state == Display.STATE_ON || state == Display.STATE_DOZE) {
animateScreenBrightness(brightness,
- slowChange ? BRIGHTNESS_RAMP_RATE_SLOW : BRIGHTNESS_RAMP_RATE_FAST);
+ slowChange ? BRIGHTNESS_RAMP_RATE_SLOW : mBrightnessRampRateFast);
} else {
animateScreenBrightness(brightness, 0);
}