sm6250-common: overlay: define automatic brightness overlays
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@ -273,4 +273,302 @@
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<!-- Radius of the software rounded corners at the bottom of the display in its natural
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orientation. If zero, the value of rounded_corner_radius is used. -->
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<dimen name="rounded_corner_radius_bottom">93px</dimen>
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<!-- Array of hysteresis constraint values for brightening, represented as tenths of a
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percent. The length of this array is assumed to be one greater than
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config_ambientThresholdLevels. The brightening threshold is calculated as
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lux * (1.0f + CONSTRAINT_VALUE). When the current lux is higher than this threshold,
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the screen brightness is recalculated. See the config_ambientThresholdLevels
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description for how the constraint value is chosen. -->
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<array name="config_ambientBrighteningThresholds">
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<item>5</item>
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<item>5</item>
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<item>10</item>
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<item>30</item>
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<item>100</item>
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<item>400</item>
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<item>600</item>
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<item>1000</item>
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</array>
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<!-- Array of hysteresis constraint values for darkening, represented as tenths of a
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percent. The length of this array is assumed to be one greater than
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config_ambientThresholdLevels. The darkening threshold is calculated as
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lux * (1.0f - CONSTRAINT_VALUE). When the current lux is lower than this threshold,
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the screen brightness is recalculated. See the config_ambientThresholdLevels
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description for how the constraint value is chosen. -->
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<array name="config_ambientDarkeningThresholds">
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<item>800</item>
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<item>800</item>
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<item>800</item>
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<item>800</item>
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<item>800</item>
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<item>500</item>
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<item>500</item>
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<item>500</item>
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</array>
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<!-- Array of ambient lux threshold values. This is used for determining hysteresis constraint
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values by calculating the index to use for lookup and then setting the constraint value
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to the corresponding value of the array. The new brightening hysteresis constraint value
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is the n-th element of config_ambientBrighteningThresholds, and the new darkening
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hysteresis constraint value is the n-th element of config_ambientDarkeningThresholds.
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The (zero-based) index is calculated as follows: (MAX is the largest index of the array)
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condition calculated index
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value < level[0] 0
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level[n] <= value < level[n+1] n+1
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level[MAX] <= value MAX+1 -->
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<array name="config_ambientThresholdLevels">
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<item>2</item>
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<item>10</item>
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<item>30</item>
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<item>100</item>
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<item>800</item>
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<item>2000</item>
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<item>4000</item>
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</array>
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<!-- Array of desired screen brightness in nits corresponding to the lux values
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in the config_autoBrightnessLevels array. As with config_screenBrightnessMinimumNits and
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config_screenBrightnessMaximumNits, the display brightness is defined as the measured
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brightness of an all-white image.
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If this is defined then:
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- config_autoBrightnessLcdBacklightValues should not be defined
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- config_screenBrightnessNits must be defined
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- config_screenBrightnessBacklight must be defined
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This array should have size one greater than the size of the config_autoBrightnessLevels
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array. The brightness values must be non-negative and non-decreasing. This must be
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overridden in platform specific overlays -->
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<array name="config_autoBrightnessDisplayValuesNits">
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<item>5</item>
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<item>5</item>
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<item>5</item>
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<item>5</item>
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<item>15</item>
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<item>24</item>
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<item>37</item>
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<item>47</item>
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<item>61</item>
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<item>76</item>
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<item>83</item>
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<item>83</item>
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<item>83</item>
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<item>87</item>
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<item>93</item>
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<item>107</item>
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<item>117</item>
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<item>124</item>
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<item>133</item>
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<item>166</item>
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<item>182</item>
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<item>270</item>
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<item>315</item>
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<item>373</item>
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<item>442</item>
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<item>455</item>
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</array>
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<!-- Array of output values for LCD backlight corresponding to the lux values
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in the config_autoBrightnessLevels array. This array should have size one greater
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than the size of the config_autoBrightnessLevels array.
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The brightness values must be between 0 and 255 and be non-decreasing.
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This must be overridden in platform specific overlays -->
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<array name="config_autoBrightnessLcdBacklightValues">
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<item>3</item>
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<item>3</item>
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<item>3</item>
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<item>3</item>
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<item>8</item>
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<item>13</item>
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<item>20</item>
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<item>25</item>
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<item>33</item>
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<item>41</item>
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<item>45</item>
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<item>45</item>
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<item>45</item>
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<item>47</item>
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<item>50</item>
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<item>58</item>
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<item>63</item>
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<item>67</item>
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<item>72</item>
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<item>90</item>
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<item>99</item>
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<item>150</item>
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<item>175</item>
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<item>208</item>
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<item>248</item>
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<item>255</item>
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</array>
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<!-- Array of light sensor lux values to define our levels for auto backlight brightness support.
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The N entries of this array define N + 1 control points as follows:
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(1-based arrays)
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Point 1: (0, value[1]): lux <= 0
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Point 2: (level[1], value[2]): 0 < lux <= level[1]
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Point 3: (level[2], value[3]): level[2] < lux <= level[3]
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...
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Point N+1: (level[N], value[N+1]): level[N] < lux
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The control points must be strictly increasing. Each control point
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corresponds to an entry in the brightness backlight values arrays.
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For example, if lux == level[1] (first element of the levels array)
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then the brightness will be determined by value[2] (second element
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of the brightness values array).
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Spline interpolation is used to determine the auto-brightness
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backlight values for lux levels between these control points.
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Must be overridden in platform specific overlays -->
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<array name="config_autoBrightnessLevels">
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<item>1</item>
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<item>2</item>
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<item>4</item>
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<item>5</item>
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<item>8</item>
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<item>13</item>
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<item>17</item>
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<item>21</item>
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<item>26</item>
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<item>30</item>
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<item>34</item>
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<item>39</item>
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<item>60</item>
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<item>140</item>
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<item>310</item>
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<item>400</item>
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<item>500</item>
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<item>600</item>
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<item>1000</item>
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<item>1200</item>
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<item>1500</item>
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<item>2100</item>
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<item>3000</item>
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<item>3500</item>
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<item>4000</item>
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</array>
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<!-- An array describing the screen's backlight values corresponding to the brightness
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values in the config_screenBrightnessNits array. -->
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<array name="config_screenBrightnessBacklight">
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<item>@null</item>
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<item>1</item>
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<item>10</item>
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<item>15</item>
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<item>30</item>
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<item>45</item>
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<item>60</item>
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<item>75</item>
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<item>90</item>
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<item>105</item>
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<item>120</item>
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<item>135</item>
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<item>150</item>
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<item>165</item>
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<item>180</item>
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<item>195</item>
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<item>210</item>
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<item>225</item>
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<item>240</item>
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<item>255</item>
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</array>
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<!-- An array of floats describing the screen brightness in nits corresponding to the backlight
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values in the config_screenBrightnessBacklight array. On OLED displays these values
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should be measured with an all white image while the display is in the fully on state.
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Note that this value should *not* reflect the maximum brightness value for any high
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brightness modes but only the maximum brightness value obtainable in a sustainable manner.
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This array should be equal in size to config_screenBrightnessBacklight -->
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<array name="config_screenBrightnessNits">
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<item>@null</item>
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<item>4</item>
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<item>22</item>
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<item>30</item>
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<item>68</item>
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<item>95</item>
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<item>133</item>
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<item>165</item>
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<item>192</item>
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<item>218</item>
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<item>255</item>
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<item>290</item>
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<item>326</item>
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<item>352</item>
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<item>384</item>
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<item>399</item>
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<item>422</item>
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<item>432</item>
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<item>442</item>
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<item>455</item>
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</array>
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<!-- Array of hysteresis constraint values for brightening, represented as tenths of a
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percent. The length of this array is assumed to be one greater than
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config_screenThresholdLevels. The brightening threshold is calculated as
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screenBrightness * (1.0f + CONSTRAINT_VALUE). When the new screen brightness is higher
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than this threshold, it is applied. See the config_screenThresholdLevels description for
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how the constraint value is chosen. -->
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<array name="config_screenBrighteningThresholds">
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<item>@null</item>
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</array>
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<!-- Array of hysteresis constraint values for darkening, represented as tenths of a
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percent. The length of this array is assumed to be one greater than
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config_screenThresholdLevels. The darkening threshold is calculated as
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screenBrightness * (1.0f - CONSTRAINT_VALUE). When the new screen brightness is lower than
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this threshold, it is applied. See the config_screenThresholdLevels description for how
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the constraint value is chosen. -->
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<array name="config_screenDarkeningThresholds">
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<item>@null</item>
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</array>
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<!-- Array of screen brightness threshold values. This is used for determining hysteresis
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constraint values by calculating the index to use for lookup and then setting the
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constraint value to the corresponding value of the array. The new brightening hysteresis
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constraint value is the n-th element of config_screenBrighteningThresholds, and the new
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darkening hysteresis constraint value is the n-th element of
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config_screenDarkeningThresholds.
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The (zero-based) index is calculated as follows: (MAX is the largest index of the array)
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condition calculated index
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value < level[0] 0
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level[n] <= value < level[n+1] n+1
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level[MAX] <= value MAX+1 -->
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<array name="config_screenThresholdLevels">
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</array>
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<!-- The maximum range of gamma adjustment possible using the screen
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auto-brightness adjustment setting. -->
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<fraction name="config_autoBrightnessAdjustmentMaxGamma">100%</fraction>
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<!-- Stability requirements in milliseconds for accepting a new brightness level. This is used
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for debouncing the light sensor. Different constants are used to debounce the light sensor
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when adapting to brighter or darker environments. This parameter controls how quickly
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brightness changes occur in response to an observed change in light level that exceeds the
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hysteresis threshold. -->
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<integer name="config_autoBrightnessBrighteningLightDebounce">1000</integer>
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<integer name="config_autoBrightnessDarkeningLightDebounce">1000</integer>
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<!-- Fast brightness animation ramp rate in brightness units per second-->
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<integer name="config_brightness_ramp_rate_fast">4933</integer>
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<!-- Slow brightness animation ramp rate in brightness units per second-->
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<integer name="config_brightness_ramp_rate_slow">3946</integer>
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<!-- Screen brightness used to dim the screen when the user activity
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timeout expires. May be less than the minimum allowed brightness setting
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that can be set by the user. -->
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<integer name="config_screenBrightnessDim">2</integer>
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<!-- Default screen brightness setting.
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Must be in the range specified by minimum and maximum. -->
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<integer name="config_screenBrightnessSettingDefault">67</integer>
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<!-- Minimum screen brightness setting allowed by the power manager.
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The user is forbidden from setting the brightness below this level. -->
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<integer name="config_screenBrightnessSettingMinimum">2</integer>
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<!-- Maximum screen brightness allowed by the power manager.
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The user is forbidden from setting the brightness above this level. -->
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<integer name="config_screenBrightnessSettingMaximum">255</integer>
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</resources>
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