diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 4971260cb30..5a30de19fdc 100755
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -490,6 +490,10 @@
          This must be overridden in platform specific overlays -->
     <integer-array name="config_autoBrightnessLcdBacklightValues">
     </integer-array>
+	
+	<!-- Flag indicating whether we should enable autmatic brightness for
+		 the button and keyboard backlights. -->
+	<bool name="config_autoBrightnessButtonKeyboard">true</bool>
 
     <!-- Array of output values for button backlight corresponding to the LUX values
          in the config_autoBrightnessLevels array.  This array should have size one greater