From 6417e2be02e90af551619caf17b78e5d1b0a071f Mon Sep 17 00:00:00 2001
From: Alexander Winkowski <dereference23@outlook.com>
Date: Sun, 7 Aug 2022 09:43:49 +0000
Subject: [PATCH] miatoll: Pull brightness overlays from raviole

Adapted for miatoll's display specifications (450 nits),
converted floats to integers.

Change-Id: I7936e8b10d9ac6bc74efc8fdf6623c827d65c6da
---
 .../base/core/res/res/values/config.xml       | 300 ++++++------------
 1 file changed, 104 insertions(+), 196 deletions(-)

diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 53e8663..0868f94 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -42,16 +42,28 @@
          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. -->
-    <array name="config_ambientBrighteningThresholds">
-        <item>5</item>
-        <item>5</item>
-        <item>10</item>
-        <item>30</item>
-        <item>100</item>
-        <item>400</item>
-        <item>600</item>
-        <item>1000</item>
-    </array>
+    <integer-array name="config_ambientBrighteningThresholds">
+        <item>11373</item>
+        <item>5000</item>
+        <item>4333</item>
+        <item>3666</item>
+        <item>3000</item>
+        <item>2760</item>
+        <item>2520</item>
+        <item>2280</item>
+        <item>2040</item>
+        <item>1800</item>
+        <item>800</item>
+        <item>527</item>
+        <item>500</item>
+        <item>470</item>
+        <item>396</item>
+        <item>322</item>
+        <item>248</item>
+        <item>174</item>
+        <item>99</item>
+        <item>99</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
@@ -59,16 +71,28 @@
          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. -->
-    <array name="config_ambientDarkeningThresholds">
-        <item>800</item>
-        <item>800</item>
-        <item>800</item>
-        <item>800</item>
-        <item>800</item>
+    <integer-array name="config_ambientDarkeningThresholds">
+        <item>853</item>
+        <item>700</item>
+        <item>683</item>
+        <item>666</item>
+        <item>650</item>
+        <item>640</item>
+        <item>630</item>
+        <item>620</item>
+        <item>610</item>
+        <item>600</item>
         <item>500</item>
         <item>500</item>
-        <item>500</item>
-    </array>
+        <item>440</item>
+        <item>385</item>
+        <item>348</item>
+        <item>311</item>
+        <item>274</item>
+        <item>237</item>
+        <item>200</item>
+        <item>200</item>
+    </integer-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
@@ -80,15 +104,27 @@
          value < level[0]                0
          level[n] <= value < level[n+1]  n+1
          level[MAX] <= value             MAX+1 -->
-    <array name="config_ambientThresholdLevels">
+    <integer-array name="config_ambientThresholdLevels">
+        <item>1</item>
         <item>2</item>
+        <item>3</item>
+        <item>4</item>
+        <item>5</item>
+        <item>6</item>
+        <item>7</item>
+        <item>8</item>
+        <item>9</item>
         <item>10</item>
+        <item>20</item>
         <item>30</item>
+        <item>40</item>
+        <item>50</item>
+        <item>60</item>
+        <item>70</item>
+        <item>80</item>
+        <item>90</item>
         <item>100</item>
-        <item>800</item>
-        <item>2000</item>
-        <item>4000</item>
-    </array>
+    </integer-array>
 
     <!-- Array of desired screen brightness in nits corresponding to the lux values
          in the config_autoBrightnessLevels array. As with config_screenBrightnessMinimumNits and
@@ -101,68 +137,27 @@
          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>5</item>
-        <item>5</item>
-        <item>5</item>
-        <item>15</item>
-        <item>24</item>
-        <item>37</item>
-        <item>47</item>
-        <item>61</item>
-        <item>76</item>
-        <item>83</item>
-        <item>83</item>
-        <item>83</item>
-        <item>87</item>
-        <item>93</item>
-        <item>107</item>
-        <item>117</item>
-        <item>124</item>
-        <item>133</item>
-        <item>166</item>
-        <item>182</item>
-        <item>270</item>
-        <item>315</item>
-        <item>373</item>
-        <item>442</item>
-        <item>455</item>
-    </array>
-
-    <!-- Array of output values for LCD backlight corresponding to the lux values
-         in the config_autoBrightnessLevels array.  This array should have size one greater
-         than the size of the config_autoBrightnessLevels array.
-         The brightness values must be between 0 and 255 and be non-decreasing.
-         This must be overridden in platform specific overlays -->
-    <array name="config_autoBrightnessLcdBacklightValues">
-        <item>3</item>
-        <item>3</item>
-        <item>3</item>
-        <item>3</item>
-        <item>8</item>
-        <item>13</item>
-        <item>20</item>
-        <item>25</item>
-        <item>33</item>
-        <item>41</item>
-        <item>45</item>
-        <item>45</item>
-        <item>45</item>
-        <item>47</item>
-        <item>50</item>
-        <item>58</item>
-        <item>63</item>
-        <item>67</item>
-        <item>72</item>
-        <item>90</item>
-        <item>99</item>
-        <item>150</item>
-        <item>175</item>
-        <item>208</item>
-        <item>248</item>
-        <item>255</item>
-    </array>
+    <integer-array name="config_autoBrightnessDisplayValuesNits">
+      <item>5</item>     <!--  0 - 1 -->
+      <item>10</item>    <!--  1 - 2 -->
+      <item>18</item>    <!--  2 - 3 -->
+      <item>22</item>    <!--  3 - 4 -->
+      <item>24</item>    <!--  4 - 8 -->
+      <item>31</item>    <!--  8 - 12 -->
+      <item>35</item>    <!--  12 - 20 -->
+      <item>41</item>    <!--  20 - 33 -->
+      <item>48</item>    <!--  33 - 55 -->
+      <item>56</item>    <!--  55 - 90 -->
+      <item>66</item>    <!--  90 - 148 -->
+      <item>80</item>    <!--  148 - 245 -->
+      <item>98</item>    <!--  245 - 403 -->
+      <item>125</item>   <!--  403 - 665 -->
+      <item>162</item>   <!--  665 - 1097 -->
+      <item>208</item>   <!--  1097 - 1808 -->
+      <item>265</item>   <!--  1808 - 2981 -->
+      <item>328</item>   <!--  2981 - 5000 -->
+      <item>450</item>   <!--  5000+ -->
+    </integer-array>
 
     <!-- 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:
@@ -180,58 +175,33 @@
          Spline interpolation is used to determine the auto-brightness
          backlight values for lux levels between these control points.
          Must be overridden in platform specific overlays -->
-    <array name="config_autoBrightnessLevels">
+    <integer-array name="config_autoBrightnessLevels">
         <item>1</item>
         <item>2</item>
+        <item>3</item>
         <item>4</item>
-        <item>5</item>
         <item>8</item>
-        <item>13</item>
-        <item>17</item>
-        <item>21</item>
-        <item>26</item>
-        <item>30</item>
-        <item>34</item>
-        <item>39</item>
-        <item>60</item>
-        <item>140</item>
-        <item>310</item>
-        <item>400</item>
-        <item>500</item>
-        <item>600</item>
-        <item>1000</item>
-        <item>1200</item>
-        <item>1500</item>
-        <item>2100</item>
-        <item>3000</item>
-        <item>3500</item>
-        <item>4000</item>
-    </array>
+        <item>12</item>
+        <item>20</item>
+        <item>33</item>
+        <item>55</item>
+        <item>90</item>
+        <item>148</item>
+        <item>245</item>
+        <item>403</item>
+        <item>665</item>
+        <item>1097</item>
+        <item>1808</item>
+        <item>2981</item>
+        <item>5000</item>
+    </integer-array>
 
     <!-- An array describing the screen's backlight values corresponding to the brightness
          values in the config_screenBrightnessNits array. -->
-    <array name="config_screenBrightnessBacklight">
-        <item>@null</item>
+    <integer-array name="config_screenBrightnessBacklight">
         <item>1</item>
-        <item>10</item>
-        <item>15</item>
-        <item>30</item>
-        <item>45</item>
-        <item>60</item>
-        <item>75</item>
-        <item>90</item>
-        <item>105</item>
-        <item>120</item>
-        <item>135</item>
-        <item>150</item>
-        <item>165</item>
-        <item>180</item>
-        <item>195</item>
-        <item>210</item>
-        <item>225</item>
-        <item>240</item>
         <item>255</item>
-    </array>
+    </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
@@ -239,80 +209,18 @@
          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>@null</item>
-        <item>4</item>
-        <item>22</item>
-        <item>30</item>
-        <item>68</item>
-        <item>95</item>
-        <item>133</item>
-        <item>165</item>
-        <item>192</item>
-        <item>218</item>
-        <item>255</item>
-        <item>290</item>
-        <item>326</item>
-        <item>352</item>
-        <item>384</item>
-        <item>399</item>
-        <item>422</item>
-        <item>432</item>
-        <item>442</item>
-        <item>455</item>
-    </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_screenThresholdLevels. The brightening threshold is calculated as
-         screenBrightness * (1.0f + CONSTRAINT_VALUE). When the new screen brightness is higher
-         than this threshold, it is applied. See the config_screenThresholdLevels description for
-         how the constraint value is chosen. -->
-    <array name="config_screenBrighteningThresholds">
-        <item>@null</item>
-    </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_screenThresholdLevels. The darkening threshold is calculated as
-         screenBrightness * (1.0f - CONSTRAINT_VALUE). When the new screen brightness is lower than
-         this threshold, it is applied. See the config_screenThresholdLevels description for how
-         the constraint value is chosen. -->
-    <array name="config_screenDarkeningThresholds">
-        <item>@null</item>
-    </array>
-
-    <!-- Array of screen brightness 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_screenBrighteningThresholds, and the new
-         darkening hysteresis constraint value is the n-th element of
-         config_screenDarkeningThresholds.
-         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 -->
-    <array name="config_screenThresholdLevels">
-    </array>
-
-    <!-- The maximum range of gamma adjustment possible using the screen
-         auto-brightness adjustment setting. -->
-    <fraction name="config_autoBrightnessAdjustmentMaxGamma">100%</fraction>
+    <integer-array name="config_screenBrightnessNits">
+        <item>2</item>
+        <item>450</item>
+    </integer-array>
 
     <!-- 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>
-
-    <!-- Fast brightness animation ramp rate in brightness units per second-->
-    <integer name="config_brightness_ramp_rate_fast">308</integer>
-
-    <!-- Slow brightness animation ramp rate in brightness units per second-->
-    <integer name="config_brightness_ramp_rate_slow">246</integer>
+    <integer name="config_autoBrightnessBrighteningLightDebounce">2000</integer>
+    <integer name="config_autoBrightnessDarkeningLightDebounce">4000</integer>
 
     <!-- Minimum screen brightness setting allowed by power manager.
          The user is forbidden from setting the brightness below this level.