Subversion Repositories oBacklight

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 soulskater 1 
#!/bin/bash
2 
 
3 
#####################################################################
4 
# Simple script to catch the changes to backlight events on sony    #
5 
# in combination with nvidiabl.                                     #
6 
#                                                                   #
7 
# Tested with a Sony Vaio VPCCW1S1E Laptop.                         #
8 
#                                                                   #
9 
# This has been tested on openSUSE 11.2, 11.3 & 11.4 but should     #
10 
# work on any distributions.                                        #
11 
#                                                                   #
12 
# Released under the BSDL Licens                                    #
13 
#                                                                   #
14 
# Developer: oSource Development                                    #
15 
# DevTeam: Marcus Uddenhed                                          #
16 
# Version: 0.3.7                                                    #
17 
#                                                                   #
18 
# Web: http://dev.osource.se/software/obacklight/                   #
19 
# Rss: http://dev.osource.se/category/obacklight/feed/              #
20 
#                                                                   #
21 
# Last Updated:	2011-03-22 21:35                                    #
22 
#                                                                   #
23 
#####################################################################
24 
 
25 
### BEGIN INIT INFO
26 
# Provides:          oBacklight
27 
# Required-Start:    $acpid
28 
# Required-Stop:
29 
# Default-Start:     5
30 
# Default-Stop:      0 1 2 3 6
31 
# Short-Description: Provides a backlight event handler for nvidiabl
32 
# Description:       Provides a backlight event handler for nvidiabl.
33 
#	Captures all backlight events from ACPI Events and feeds the to nvidiabl.
34 
### END INIT INFO
35 
 
36 
init() {
37 
## Default parameters
38 
BMT="1"			# Set Brightness Mode Type.
39 
			# Available types: 1, 2, 3
40 
 
41 
ACPIS="1"		# Set System ACPI.
42 
			# 1 = Sony Vaio VPCCW1S1E
43 
			# 2 = Dell Vostro 3700
44 
 
45 
## Various brightness modes
46 
# Type 1 (Default)
47 
if [ "$BMT" == "1" ]
48 
then
49 
  BBL="2"		# Default brightness level when on battery.
50 
  DID="1"		# The amount of steps to increase/decrease with on backlight changes.
51 
  MBV="7"		# Max brightness value possible on your system.
52 
fi
53 
# Type 2
54 
if [ "$BMT" == "2" ]
55 
then
56 
  BBL="40"
57 
  DID="10"
58 
  MBV="127"
59 
fi
60 
# Type 3
61 
if [ "$BMT" == "2" ]
62 
then
63 
  BBL="4"
64 
  DID="1"
65 
  MBV="32"
66 
fi
67 
 
68 
## ACPI Codes for various systems.
69 
 
70 
# Sony Vaio VPCCW1S1E (Default)
71 
if [ "$ACPIS" == "1" ]
72 
then
73 
  ACBU="00000001 00000011"	# ACPI brightness up event
74 
  ACBD="00000001 00000010"	# ACPI brightness down event
75 
  ACOB="00000081 00000000"	# ACPI brightness on battery event
76 
fi
77 
# Dell Vostro 3700
78 
if [ "$ACPIS" == "2" ]
79 
then
80 
  ACBU="00000086 00000000"
81 
  ACBD="00000087 00000000"
82 
  ACOB="00000080 00000000"
83 
fi
84 
 
85 
# Set correct values in configuration files on startup
86 
echo "$MBV" > /sys/class/backlight/nvidia_backlight/brightness
87 
echo "$MBV" > /root/oBacklight.def
88 
 
89 
# Check if oBacklight.def exists
90 
if [ ! -e "/root/oBacklight.def" ]
91 
 then
92 
  echo "$MBV" > /root/oBacklight.def
93 
fi
94 
}
95 
 
96 
start() {
97 
 
98 
/etc/init.d/oBacklight run &
99 
 
100 
}
101 
 
102 
stop() {
103 
 
104 
echo $(cat /sys/class/backlight/nvidia_backlight/brightness) > /root/oBacklight.def
105 
killall -r oBacklight
106 
 
107 
}
108 
 
109 
run() {
110 
while [ exit != 130 ]
111 
do
112 
 
113 
GVAR=$(cat /sys/class/backlight/nvidia_backlight/brightness)
114 
 
115 
CMD=$(acpi_listen -c 1 | egrep -o " [0-9].+" | egrep -o "[0-9].+")
116 
 
117 
# Brightness down acpi event
118 
if [ "$CMD" == "$ACBD" ]
119 
 then
120 
 
121 
  if [ "$GVAR" -ge "$DID" ] # Thanks to damdim @ nvnews forum for this fix.
122 
   then
123 
    SVAR=$(($GVAR - $DID))
124 
    echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness
125 
    echo $SVAR > /root/oBacklight.def
126 
   else
127 
    SVAR="0"
128 
    echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness
129 
    echo $SVAR > /root/oBacklight.def
130 
  fi
131 
 
132 
fi
133 
 
134 
# Brightness up acpi event
135 
if [ "$CMD" == "$ACBU" ]
136 
 then
137 
  if [ "$GVAR" -le $(($MBV-$DID)) ] # Thanks to damdim @ nvnews forum for this fix.
138 
   then
139 
    SVAR=$(($GVAR + $DID))
140 
    echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness
141 
    echo $SVAR > /root/oBacklight.def
142 
   else
143 
    SVAR=$MBV
144 
    echo $SVAR > /sys/class/backlight/nvidia_backlight/brightness
145 
    echo $SVAR > /root/oBacklight.def
146 
  fi
147 
fi
148 
 
149 
# AC to battery change
150 
if [ "$CMD" == "$ACOB" ]
151 
 then
152 
  if [ "$GVAR" > "$BBL" ]
153 
   then
154 
    echo $BBL > /sys/class/backlight/nvidia_backlight/brightness
155 
    echo $BBL > /root/oBacklight.def
156 
  fi
157 
fi
158 
 
159 
done
160 
}
161 
 
162 
case $1 in
163 
start)
164 
start
165 
;;
166 
stop)
167 
stop
168 
;;
169 
run)
170 
init
171 
run
172 
;;
173 
*)
174 
echo "start|stop|run"
175 
;;
176 
esac