From a6b783046ddbcd842b0be964f24fdd75eb354ecf Mon Sep 17 00:00:00 2001
From: linpeter <linpeter@google.com>
Date: Thu, 30 Mar 2023 21:07:07 +0800
Subject: [PATCH] display: add lowlight blocking zone
MIME-Version: 1.0
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zone 1: Lock refresh rate at 120Hz when ≤ 10 nits
zone 2: Lock refresh rate at 120Hz when ≤ 15 nits and ≤ 10 lux

Bug: 274713662
test: check refresh rate
Change-Id: Icbc04d216ef4ff28fff80792a7df9271f77ad760
---
 .../base/core/res/res/values/config.xml          | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/shiba/overlay/frameworks/base/core/res/res/values/config.xml b/shiba/overlay/frameworks/base/core/res/res/values/config.xml
index 61ff1f2..1a4b063 100644
--- a/shiba/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/shiba/overlay/frameworks/base/core/res/res/values/config.xml
@@ -137,6 +137,22 @@
     <!-- The default peak refresh rate. -->
     <integer name="config_defaultPeakRefreshRate">120</integer>
 
+    <!-- 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 10 nits: round((10-2)/(1400-2)*(255-1)+1) = 2 -->
+        <item>2</item>
+        <!-- System brightness for 15 nits: round((15-2)/(1400-2)*(255-1)+1) = 3 -->
+        <item>3</item>
+    </integer-array>
+    <integer-array name="config_ambientThresholdsOfPeakRefreshRate">
+        <item>-1</item>
+        <item>10</item>
+    </integer-array>
+    <!-- default refresh rate in the zone defined by birghtness and ambient thresholds -->
+    <integer name="config_defaultRefreshRateInZone">120</integer>
+
+
     <integer-array name="config_ambientThresholdLevels">
         <item>2</item>
         <item>3</item>