diff --git a/overlay/Frameworks/res/values/config.xml b/overlay/Frameworks/res/values/config.xml
index 05edb2d..64e41bb 100644
--- a/overlay/Frameworks/res/values/config.xml
+++ b/overlay/Frameworks/res/values/config.xml
@@ -22,6 +22,18 @@
     <item format="float" name="config_screenBrightnessSettingDefaultFloat" type="dimen">0.07496032</item>
     <item name="config_screenBrightnessDimFloat" type="dimen">0.002197534</item>
 
+    <!-- Stability requirements in milliseconds for accepting a new brightness level.  This is used
+         for debouncing the light sensor.  Different constants are used to debounce the light sensor
+         when adapting to brighter or darker environments.  This parameter controls how quickly
+         brightness changes occur in response to an observed change in light level that exceeds the
+         hysteresis threshold. -->
+    <integer name="config_autoBrightnessBrighteningLightDebounce">1000</integer>
+    <integer name="config_autoBrightnessDarkeningLightDebounce">1000</integer>
+
+    <!-- The maximum range of gamma adjustment possible using the screen
+         auto-brightness adjustment setting. -->
+    <fraction name="config_autoBrightnessAdjustmentMaxGamma">100.0%</fraction>
+
     <!-- 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)
@@ -282,6 +294,82 @@
         <item>1000.0</item>
     </array>
 
+    <!-- An array describing the screen's backlight values corresponding to the brightness
+         values in the config_screenBrightnessNits array.
+
+         This array should be equal in size to config_screenBrightnessBacklight. -->
+    <integer-array name="config_screenBrightnessBacklight">
+        <item>1</item>
+        <item>255</item>
+    </integer-array>
+
+    <!-- An array of floats describing the screen brightness in nits corresponding to the backlight
+         values in the config_screenBrightnessBacklight array.  On OLED displays these  values
+         should be measured with an all white image while the display is in the fully on state.
+         Note that this value should *not* reflect the maximum brightness value for any high
+         brightness modes but only the maximum brightness value obtainable in a sustainable manner.
+
+         This array should be equal in size to config_screenBrightnessBacklight -->
+    <array name="config_screenBrightnessNits">
+        <item>3.9</item>
+        <item>1000.0</item>
+    </array>
+
+    <!-- Array of ambient lux threshold values. This is used for determining hysteresis constraint
+         values by calculating the index to use for lookup and then setting the constraint value
+         to the corresponding value of the array. The new brightening hysteresis constraint value
+         is the n-th element of config_ambientBrighteningThresholds, and the new darkening
+         hysteresis constraint value is the n-th element of config_ambientDarkeningThresholds.
+
+         The (zero-based) index is calculated as follows: (MAX is the largest index of the array)
+         condition                       calculated index
+         value < level[0]                0
+         level[n] <= value < level[n+1]  n+1
+         level[MAX] <= value             MAX+1 -->
+    <integer-array name="config_ambientThresholdLevels">
+        <item>2</item>
+        <item>10</item>
+        <item>30</item>
+        <item>100</item>
+        <item>800</item>
+        <item>2000</item>
+        <item>4000</item>
+    </integer-array>
+
+    <!-- Array of hysteresis constraint values for brightening, represented as tenths of a
+         percent. The length of this array is assumed to be one greater than
+         config_ambientThresholdLevels. The brightening threshold is calculated as
+         lux * (1.0f + CONSTRAINT_VALUE). When the current lux is higher than this threshold,
+         the screen brightness is recalculated. See the config_ambientThresholdLevels
+         description for how the constraint value is chosen. -->
+    <integer-array name="config_ambientBrighteningThresholds">
+        <item>2</item>
+        <item>6</item>
+        <item>10</item>
+        <item>30</item>
+        <item>100</item>
+        <item>400</item>
+        <item>600</item>
+        <item>1000</item>
+    </integer-array>
+
+    <!-- Array of hysteresis constraint values for darkening, represented as tenths of a
+         percent. The length of this array is assumed to be one greater than
+         config_ambientThresholdLevels. The darkening threshold is calculated as
+         lux * (1.0f - CONSTRAINT_VALUE). When the current lux is lower than this threshold,
+         the screen brightness is recalculated. See the config_ambientThresholdLevels
+         description for how the constraint value is chosen. -->
+    <integer-array name="config_ambientDarkeningThresholds">
+        <item>800</item>
+        <item>800</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+    </integer-array>
+
     <!-- The bounding path of the cutout region of the main built-in display.
          Must either be empty if there is no cutout region, or a string that is parsable by
          {@link android.util.PathParser}.