diff --git a/akita/overlay/frameworks/base/core/res/res/values/config.xml b/akita/overlay/frameworks/base/core/res/res/values/config.xml
index 6c8fb60..52ce2b0 100644
--- a/akita/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/akita/overlay/frameworks/base/core/res/res/values/config.xml
@@ -48,6 +48,9 @@
     <!-- 140 nits: (140-2)/(800-2)*(0.57-0.0)+0.0 = 0.098571429 -->
     <item name="config_screenBrightnessSettingDefaultFloat" format="float" type="dimen">0.098571429</item>
 
+    <!-- Allow normal brightness controller feature. -->
+    <bool name="config_allowNormalBrightnessControllerFeature">true</bool>
+
     <!-- Array of light sensor LUX values to define our levels for auto backlight brightness support.
       The N entries of this array define N  1 zones as follows:
          Zone 0:        0 <= LUX < array[0]