diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 8153944..e46e403 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -14,6 +14,196 @@
 <!-- These resources are around just to allow their values to be customized
      for different hardware and product builds.  Do not translate. -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- 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 zones as follows:
+         Zone 0:        0 <= LUX < array[0]
+         Zone 1:        array[0] <= LUX < array[1]
+         ...
+         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>1</item>
+        <item>2</item>
+        <item>4</item>
+        <item>6</item>
+        <item>8</item>
+        <item>10</item>
+        <item>15</item>
+        <item>20</item>
+        <item>25</item>
+        <item>30</item>
+        <item>35</item>
+        <item>40</item>
+        <item>45</item>
+        <item>50</item>
+        <item>55</item>
+        <item>60</item>
+        <item>65</item>
+        <item>70</item>
+        <item>75</item>
+        <item>80</item>
+        <item>85</item>
+        <item>90</item>
+        <item>95</item>
+        <item>100</item>
+        <item>120</item>
+        <item>140</item>
+        <item>160</item>
+        <item>180</item>
+        <item>200</item>
+        <item>220</item>
+        <item>240</item>
+        <item>260</item>
+        <item>280</item>
+        <item>300</item>
+        <item>320</item>
+        <item>340</item>
+        <item>360</item>
+        <item>380</item>
+        <item>400</item>
+        <item>420</item>
+        <item>440</item>
+        <item>460</item>
+        <item>480</item>
+        <item>500</item>
+        <item>700</item>
+        <item>900</item>
+        <item>1100</item>
+        <item>1300</item>
+        <item>1500</item>
+        <item>1700</item>
+        <item>1900</item>
+        <item>2200</item>
+        <item>2500</item>
+        <item>3000</item>
+        <item>3500</item>
+        <item>4000</item>
+        <item>4500</item>
+    </integer-array>
+
+    <!-- Array of desired screen brightness in nits corresponding to the lux values
+         in the config_autoBrightnessLevels array. As with config_screenBrightnessMinimumNits and
+         config_screenBrightnessMaximumNits, the display brightness is defined as the measured
+         brightness of an all-white image.
+         If this is defined then:
+            - config_autoBrightnessLcdBacklightValues should not be defined
+            - config_screenBrightnessNits must be defined
+            - config_screenBrightnessBacklight must be defined
+         This array should have size one greater than the size of the config_autoBrightnessLevels
+         array. The brightness values must be non-negative and non-decreasing. This must be
+         overridden in platform specific overlays -->
+    <array name="config_autoBrightnessDisplayValuesNits">
+        <item>5</item>
+        <item>9</item>
+        <item>16</item>
+        <item>24</item>
+        <item>31</item>
+        <item>35</item>
+        <item>48</item>
+        <item>61</item>
+        <item>83</item>
+        <item>87</item>
+        <item>87</item>
+        <item>87</item>
+        <item>88</item>
+        <item>88</item>
+        <item>88</item>
+        <item>89</item>
+        <item>89</item>
+        <item>89</item>
+        <item>90</item>
+        <item>90</item>
+        <item>91</item>
+        <item>91</item>
+        <item>91</item>
+        <item>92</item>
+        <item>92</item>
+        <item>93</item>
+        <item>95</item>
+        <item>96</item>
+        <item>98</item>
+        <item>98</item>
+        <item>100</item>
+        <item>101</item>
+        <item>102</item>
+        <item>104</item>
+        <item>105</item>
+        <item>107</item>
+        <item>108</item>
+        <item>110</item>
+        <item>111</item>
+        <item>113</item>
+        <item>114</item>
+        <item>116</item>
+        <item>117</item>
+        <item>119</item>
+        <item>120</item>
+        <item>142</item>
+        <item>164</item>
+        <item>190</item>
+        <item>216</item>
+        <item>243</item>
+        <item>272</item>
+        <item>302</item>
+        <item>313</item>
+        <item>386</item>
+        <item>430</item>
+        <item>434</item>
+        <item>445</item>
+        <item>445</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>2</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>4</item>   <!-- index 1 -->
+        <item>450</item>  <!-- index 2 -->
+    </array>
+
+    <!-- Screen brightness used to dim the screen when the user activity
+         timeout expires.  May be less than the minimum allowed brightness setting
+         that can be set by the user. -->
+    <integer name="config_screenBrightnessDim">2</integer>
+
+    <!-- Screen brightness used to dim the screen while dozing in a very low power state.
+         May be less than the minimum allowed brightness setting
+         that can be set by the user. -->
+    <integer name="config_screenBrightnessDoze">17</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">2</integer>
+
+    <!-- Maximum screen brightness setting allowed by the power manager.
+         The user is forbidden from setting the brightness above this level. -->
+    <integer name="config_screenBrightnessSettingMaximum">255</integer>
+
+    <!-- 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">2000</integer>
+
     <!-- Control whether the always on display mode is available. This should only be enabled on
          devices where the display has been tuned to be power efficient in DOZE and/or DOZE_SUSPEND
          states. -->