#!/bin/rc

#master file is /sys/src/cmd/bitsy/light.rc

switch($1){
case on
       echo -n 2 1 0x80 > /dev/backlight
case off
       echo -n 2 0 0x80 > /dev/backlight
case auto
       echo -n 1 1 0x80 > /dev/backlight
case *
       echo -n 2 1 $1 > /dev/backlight
}