#!/bin/sh

if [ "$1" == "+" ] 
then
	expr $(cat /sys/class/backlight/amdgpu_bl0/brightness) + 10 > /sys/class/backlight/amdgpu_bl0/brightness
else
	expr $(cat /sys/class/backlight/amdgpu_bl0/brightness) -  10 > /sys/class/backlight/amdgpu_bl0/brightness
fi

exit 0