Subversion Repositories oBacklight

#!/bin/bash

#####################################################

# Simple script to catch the changes to backlight   #

# events on sony laptops in combination with        #

# nvidia_bl.                                        #

#                                                   #

# Tested with a Sony Vaio VPCCW1S1E Laptop.         #

#                                                   #

# This has been tested on openSUSE 11.2 but         #

# should work on any distributions.                 #

#                                                   #

# Released under the BSDL Licens                    #

#                                                   #

# Author: Marcus Udenhed                            #

# Version: 0.3					    #

# Last Modified 2010-05-01 14:30                    #

#                                                   #

#####################################################

### BEGIN INIT INFO

# Provides:          Sony Backlight

# Default-Start:     3 5

# Default-Stop:      0 1 2 6

# Short-Description: Provides connector for nvidia_bl

# Description:       Provides a connector between the 

#	standard Sony backlight interface and nvidia_bl

#	interface. Captures all backlight events from

#	/sys/class/backlight/sony.

### END INIT INFO

start() {

/etc/init.d/oBacklight.sh run &

}

stop() {

killall -r oBacklight

}

run() {

DVAR=$(cat /sys/class/backlight/sony/brightness)

while [ exit != 130 ]

do

sleep 1

GVAR=$(cat /sys/class/backlight/sony/brightness)

if [ "$GVAR" != "$DVAR" ]

 then

  echo $GVAR > /sys/class/backlight/nvidia_backlight/brightness

  DVAR=$(cat /sys/class/backlight/sony/brightness)

fi

done

}

case $1 in

start)

start

;;

stop)

stop

;;

run)

run

;;

*)

echo "start|stop|run"

;;

esac