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