From 19ce2265e57fae7c33394b10873036c8e37a81de Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Sun, 10 Jun 2018 22:54:14 +0200
Subject: [PATCH] Detect qcom extended brightness and set a property based on
 this, to be used by framework

---
 rw-system.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rw-system.sh b/rw-system.sh
index 61076cc..2010b35 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -61,3 +61,8 @@ fi
 if ! grep android.hardware.ir /vendor/manifest.xml;then
     mount -o bind system/phh/empty /system/etc/permissions/android.hardware.consumerir.xml
 fi
+
+if getprop ro.hardware |grep -qF qcom && [ -f /sys/class/backlight/panel0-backlight/max_brightness ] && \
+        grep -qvE '^255$' /sys/class/backlight/panel0-backlight/max_brightness;then
+    setprop persist.sys.qcom-brightness $(cat /sys/class/backlight/panel0-backlight/max_brightness)
+fi