diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 083ad77..3748284 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -107,6 +107,10 @@
          that can be set by the user. -->
     <integer name="config_screenBrightnessDim">20</integer>
 
+    <!-- Minimum screen brightness setting allowed by the power manager.
+         The user is forbidden from setting the brightness below this level. -->
+    <integer name="config_screenBrightnessSettingMinimum">3</integer>
+
     <!-- Array of light sensor lux values to define our levels for auto backlight brightness support.
          The N entries of this array define N + 1 control points as follows:
          (1-based arrays)