dotfiles/acpi_handler.sh at master · greenfork/dotfiles · GitHub

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#!/bin/sh
# Default acpi script that takes an entry for all actions

# NOTE: This is a 2.6-centric script.  If you use 2.4.x, you'll have to
#       modify it to not use /sys

minspeed=`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq`
maxspeed=`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq`
setspeed="/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"

set $*

PID=$(pgrep dbus-launch)
export USER=$(ps -o user --no-headers $PID)
USERHOME=$(getent passwd $USER | cut -d: -f6)
export XAUTHORITY="$USERHOME/.Xauthority"
for x in /tmp/.X11-unix/*; do
    displaynum=`echo $x | sed s#/tmp/.X11-unix/X##`
    if [ x"$XAUTHORITY" != x"" ]; then
        export DISPLAY=":$displaynum"
    fi
done

case "$1" in
    button/power)
        #echo "PowerButton pressed!">/dev/tty5
        case "$2" in
            PBTN|PWRF)
		    logger "PowerButton pressed: $2, shutting down..."
		    shutdown -P now
		    ;;
            *)      logger "ACPI action undefined: $2" ;;
        esac
        ;;
    button/sleep)
        case "$2" in
            SBTN|SLPB)
		    # suspend-to-ram
		    logger "Sleep Button pressed: $2, suspending..."
		    zzz
		    ;;
            *)      logger "ACPI action undefined: $2" ;;
        esac
        ;;
    ac_adapter)
        case "$2" in
            AC|ACAD|ADP0)
                case "$4" in
                    00000000)
                        echo -n $minspeed >$setspeed
                        #/etc/laptop-mode/laptop-mode start
                    ;;
                    00000001)
                        echo -n $maxspeed >$setspeed
                        #/etc/laptop-mode/laptop-mode stop
                    ;;
                esac
                ;;
            *)  logger "ACPI action undefined: $2" ;;
        esac
        ;;
    battery)
        case "$2" in
            BAT0)
                case "$4" in
                    00000000)   #echo "offline" >/dev/tty5
                    ;;
                    00000001)   #echo "online"  >/dev/tty5
                    ;;
                esac
                ;;
            CPU0)
                ;;
            *)  logger "ACPI action undefined: $2" ;;
        esac
        ;;
    button/lid)
	case "$3" in
		close)
			logger "LID closed, suspending..."
			xset dpms force off
			chpst -ugrfork slock
			#zzz # suspend-to-ram
			;;
		open)	logger "LID opened" ;;
		*) logger "ACPI action undefined (LID): $2";;
	esac
	;;
    video/brightnessup)
	xbacklight -inc 10
	;;
    video/brightnessdown)
	xbacklight -dec 10
	;;
    button/volumeup)
	amixer -c 1 set Master playback 5%+
	;;
    button/volumedown)
	amixer -c 1 set Master playback 5%-
	;;
    button/mute)
	amixer -c 1 set Master playback toggle
	amixer -c 1 set Headphone playback unmute
	;;
    *)
        logger "ACPI group/action undefined: $1 / $2"
        ;;
esac