diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 693e926..694f3ba 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -551,4 +551,8 @@
 
     <!-- Adjustment for software rounded corners since corners aren't perfectly round. -->
     <dimen name="rounded_corner_radius_adjustment">8px</dimen>
+
+    <!-- The type of the light sensor to be used by the display framework for things like
+         auto-brightness. If unset, then it just gets the default sensor of type TYPE_LIGHT. -->
+    <string name="config_displayLightSensorType" translatable="false">android.sensor.light</string>
 </resources>