0,0 → 1,142 |
#!/bin/bash |
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##################################################################### |
# Simple script to catch the changes to backlight events on sony # |
# in combination with nvidia_bl. # |
# # |
# Tested with a Sony Vaio VPCCW1S1E Laptop. # |
# # |
# This has been tested on openSUSE 11.2 & 11.3 but should # |
# work on any distributions. # |
# # |
# Released under the BSDL Licens # |
# # |
# Developer: oSource Development # |
# DevTeam: Marcus Uddenhed # |
# Version: 0.3.6 # |
# # |
# Web: http://dev.osource.se/software/obacklight/ # |
# Rss: http://dev.osource.se/category/obacklight/feed/ # |
# # |
# Last Updated: 2010-07-06 00:06 # |
# # |
##################################################################### |
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### BEGIN INIT INFO |
# Provides: oBacklight |
# Required-Start: $acpid |
# Required-Stop: |
# Default-Start: 5 |
# Default-Stop: 0 1 2 3 6 |
# Short-Description: Provides a backlight event handler for nvidia_bl |
# Description: Provides a backlight event handler for nvidia_bl. |
# Captures all backlight events from ACPI Events and feeds the to nvidia_bl. |
### END INIT INFO |
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init() { |
# Default parameters |
BBL="2" # Default brightness level when on battery. |
SCB="sony" # Set which system ACPI is used. |
# Run 'sudo ls /sys/class/backlight' to determine your type. |
# Available options: sony |
DID="1" # The amount of steps to increase/decrease with on backlight changes. |
MBV="7" # Max brightness value possible on your system. |
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# Set correct values in configuration files on startup |
echo "$MBV" > /sys/class/backlight/nvidia_backlight/brightness |
echo "$MBV" > /root/oBacklight.def |
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# Check if oBacklight.def exists |
if [ ! -e "/root/oBacklight.def" ] |
then |
echo "$MBV" > /root/oBacklight.def |
fi |
} |
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start() { |
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/etc/init.d/oBacklight run & |
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} |
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stop() { |
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echo $(cat /sys/class/backlight/nvidia_backlight/brightness) > /root/oBacklight.def |
killall -r oBacklight |
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} |
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run() { |
if [ "$SCB" = "sony" ] |
then |
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while [ exit != 130 ] |
do |
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GVAR=$(cat /sys/class/backlight/nvidia_backlight/brightness) |
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CMD=$(acpi_listen -c 1 | egrep -o " [0-9].+" | egrep -o "[0-9].+") |
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# Brightness down acpi event |
if [ "$CMD" == "00000001 00000010" ] |
then |
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if [ "$GVAR" -ge "$DID" ] # Thanks to damdim @ nvnews forum for this fix. |
then |
SVAR=$(($GVAR - $DID)) |
echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness |
echo $SVAR > /root/oBacklight.def |
else |
SVAR="0" |
echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness |
echo $SVAR > /root/oBacklight.def |
fi |
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fi |
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# Brightness up acpi event |
if [ "$CMD" == "00000001 00000011" ] |
then |
if [ "$GVAR" -le $(($MBV-$DID)) ] # Thanks to damdim @ nvnews forum for this fix. |
then |
SVAR=$(($GVAR + $DID)) |
echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness |
echo $SVAR > /root/oBacklight.def |
else |
SVAR=$MBV |
echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness |
echo $SVAR > /root/oBacklight.def |
fi |
fi |
|
# AC to battery change |
if [ "$CMD" == "00000081 00000000" ] |
then |
if [ "$GVAR" > "$BBL" ] |
then |
echo $BBL > /sys/class/backlight/nvidia_backlight/brightness |
echo $BBL > /root/oBacklight.def |
fi |
fi |
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done |
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fi |
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} |
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case $1 in |
start) |
start |
;; |
stop) |
stop |
;; |
run) |
init |
run |
;; |
*) |
echo "start|stop|run" |
;; |
esac |