diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index af94503..6cb533b 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -22,36 +22,24 @@
     <!-- Flag indicating whether the we should enable the automatic brightness in Settings.
          Software implementation will be used if config_hardware_auto_brightness_available is not set -->
     <bool name="config_automatic_brightness_available">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 control points as follows:
-         (1-based arrays)
-         Point 1:            (0, value[1]):             lux <= 0
-         Point 2:     (level[1], value[2]):  0        < lux <= level[1]
-         Point 3:     (level[2], value[3]):  level[2] < lux <= level[3]
+    
+<!-- 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]
+         Zone 1:        array[0] <= LUX < array[1]
          ...
-         Point N+1: (level[N], value[N+1]):  level[N] < lux
-         The control points must be strictly increasing.  Each control point
-         corresponds to an entry in the brightness backlight values arrays.
-         For example, if lux == level[1] (first element of the levels array)
-         then the brightness will be determined by value[2] (second element
-         of the brightness values array).
-         Spline interpolation is used to determine the auto-brightness
-         backlight values for lux levels between these control points.
+         Zone N:        array[N - 1] <= LUX < array[N]
+         Zone N + 1     array[N] <= LUX < infinity
          Must be overridden in platform specific overlays -->
     <integer-array name="config_autoBrightnessLevels">
-        <item>2</item>
-        <item>7</item>
-        <item>15</item>
-        <item>50</item>
+        <item>9</item>
+        <item>30</item>
         <item>100</item>
-        <item>200</item>
-        <item>400</item>
-        <item>1000</item>
-        <item>2000</item>
-        <item>3000</item>
-        <item>5000</item>
+        <item>325</item>
+        <item>1250</item>
+        <item>3500</item>
         <item>10000</item>
+        <item>20000</item>
     </integer-array>
 
     <!-- Array of output values for LCD backlight corresponding to the LUX values
@@ -59,19 +47,15 @@
          than the size of the config_autoBrightnessLevels array.
          This must be overridden in platform specific overlays -->
     <integer-array name="config_autoBrightnessLcdBacklightValues">
-        <item>12</item>   <!-- 0-2 -->
-        <item>22</item>   <!-- 3-7 -->
-        <item>32</item>   <!-- 5-15 -->
-        <item>42</item>   <!-- 15-50 -->
-        <item>52</item>   <!-- 50-100 -->
-        <item>62</item>   <!-- 100-200 -->
-        <item>72</item>   <!-- 200-400 -->
-        <item>82</item>   <!-- 400-1000 -->
-        <item>96</item>   <!-- 1000-2000 -->
-        <item>134</item>  <!-- 2000-3000 -->
-        <item>178</item>  <!-- 3000-5000 -->
-        <item>225</item>  <!-- 5000-10000 -->
-        <item>255</item>  <!-- 10000+ -->
+        <!--     9 --> <item>18</item>
+        <!--    30 --> <item>30</item>
+        <!--   100 --> <item>59</item>
+        <!--   325 --> <item>74</item>
+        <!--  1250 --> <item>92</item>
+        <!--  3500 --> <item>118</item>
+        <!-- 10000 --> <item>155</item>
+        <!-- 20000 --> <item>222</item>
+                       <item>255</item>
     </integer-array>
 
     <!-- Screen brightness used to dim the screen when the user activity