void-packages/srcpkgs/acpid/files/handler.sh

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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
# $1 should be + or - to step up or down the brightness.
step_backlight() {
for backlight in /sys/class/backlight/*/; do
[ -d "$backlight" ] || continue
step=$(( $(cat "$backlight/max_brightness") / 20 ))
[ "$step" -gt "1" ] || step=1 #fallback if gradation is too low
printf '%s' "$(( $(cat "$backlight/brightness") $1 step ))" >"$backlight/brightness"
done
}
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"
case "$1" in
button/power)
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 "$4" in
00000000)
printf '%s' "$minspeed" >"$setspeed"
#/etc/laptop-mode/laptop-mode start
;;
00000001)
printf '%s' "$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)
# suspend-to-ram
logger "LID closed, suspending..."
zzz
;;
open)
logger "LID opened"
;;
*) logger "ACPI action undefined (LID): $2";;
esac
;;
video/brightnessdown)
step_backlight -
;;
video/brightnessup)
step_backlight +
;;
*)
logger "ACPI group/action undefined: $1 / $2"
;;
esac