#!/bin/sh
#### brightness-down-acpi-support.sh ####

cur_brightness=`cat /sys/class/backlight/acpi_video0/brightness`
min_brightness=0
new_brightness=$(( $cur_brightness - 1 ))

if [ cur_brightness != min_brightness ]; then
	echo $new_brightness > /sys/class/backlight/acpi_video0/brightness
fi