#!/bin/sh

if [ "$#" -eq 0 ]; then
    currentFile=$(basename "$0")
    echo "Usage: ./$currentFile '<brightness>'"
    exit 0
fi

echo "$1" > /sys/class/backlight/backlight-mipi/brightness                                      # realtime
echo "$1" > /var/lib/systemd/backlight/platform-backlight-mipi\:backlight\:backlight-mipi       # preserve for reboot