From 87028a539e71a2810856e528969879c3154c3baf Mon Sep 17 00:00:00 2001
From: Chris Lu <luchris@google.com>
Date: Tue, 13 Jun 2023 15:22:29 +0000
Subject: [PATCH] husky: add display low blocking zone

Set 120Hz if lower than 8 nits and 5 lux.

Bug: 282725148
Test: Set brightness and check refresh rate
Change-Id: I0039ccb2f112c2a4b77960452907bccb7bd0f6ca
Signed-off-by: Chris Lu <luchris@google.com>
---
 .../frameworks/base/core/res/res/values/config.xml  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/husky/overlay/frameworks/base/core/res/res/values/config.xml b/husky/overlay/frameworks/base/core/res/res/values/config.xml
index 1fff984..64c20b4 100644
--- a/husky/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/husky/overlay/frameworks/base/core/res/res/values/config.xml
@@ -48,6 +48,19 @@
      <!-- 140 nits: (140-2)/(1000-2)*(0.63-0.0)+0.0 = 0.087114228 -->
     <item name="config_screenBrightnessSettingDefaultFloat" format="float" type="dimen">0.087114228</item>
 
+    <!-- Not allow to switch to higher refresh rate when display brightness setting is
+         equal or less than this value -->
+    <integer-array name="config_brightnessThresholdsOfPeakRefreshRate">
+        <!-- System brightness for 8 nits: round((8-2)/(1600-2)*(255-1)+1) = 2 -->
+        <item>2</item> <!-- 14% UI brightness -->
+    </integer-array>
+    <integer-array name="config_ambientThresholdsOfPeakRefreshRate">
+        <item>5</item>
+    </integer-array>
+
+    <!-- default refresh rate in the zone defined by birghtness and ambient thresholds -->
+    <integer name="config_defaultRefreshRateInZone">120</integer>
+
     <!-- 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]