c101203b25
* Use $( rather than `
* Use spaces consistently
* Quote all parameter expansions
* Use a parameter expansion rather than sed
* Use printf instead of echo
echo with arguments is not well defined by POSIX. Additionally if the
variable starts with -, the results are further undefined. Use printf to
avoid all issues.
* Add screen brightness controls
* drop all dbus/xauth nonsense (by Piraty)
Closes: #25909 [via git-merge-pr]
95 lines
2.7 KiB
Bash
95 lines
2.7 KiB
Bash
#!/bin/sh
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# Default acpi script that takes an entry for all actions
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# NOTE: This is a 2.6-centric script. If you use 2.4.x, you'll have to
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# modify it to not use /sys
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# $1 should be + or - to step up or down the brightness.
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step_backlight() {
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for backlight in /sys/class/backlight/*/; do
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[ -d "$backlight" ] || continue
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step=$(( $(cat "$backlight/max_brightness") / 20 ))
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printf '%s' "$(( $(cat "$backlight/brightness") $1 step ))" >"$backlight/brightness"
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done
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}
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minspeed=$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq)
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maxspeed=$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq)
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setspeed="/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
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case "$1" in
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button/power)
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case "$2" in
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PBTN|PWRF)
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logger "PowerButton pressed: $2, shutting down..."
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shutdown -P now
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;;
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*) logger "ACPI action undefined: $2" ;;
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esac
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;;
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button/sleep)
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case "$2" in
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SBTN|SLPB)
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# suspend-to-ram
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logger "Sleep Button pressed: $2, suspending..."
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zzz
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;;
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*) logger "ACPI action undefined: $2" ;;
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esac
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;;
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ac_adapter)
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case "$2" in
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AC|ACAD|ADP0)
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case "$4" in
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00000000)
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printf '%s' "$minspeed" >"$setspeed"
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#/etc/laptop-mode/laptop-mode start
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;;
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00000001)
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printf '%s' "$maxspeed" >"$setspeed"
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#/etc/laptop-mode/laptop-mode stop
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;;
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esac
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;;
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*) logger "ACPI action undefined: $2" ;;
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esac
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;;
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battery)
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case "$2" in
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BAT0)
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case "$4" in
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00000000) #echo "offline" >/dev/tty5
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;;
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00000001) #echo "online" >/dev/tty5
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;;
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esac
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;;
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CPU0)
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;;
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*) logger "ACPI action undefined: $2" ;;
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esac
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;;
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button/lid)
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case "$3" in
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close)
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# suspend-to-ram
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logger "LID closed, suspending..."
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zzz
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;;
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open)
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logger "LID opened"
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;;
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*) logger "ACPI action undefined (LID): $2";;
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esac
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;;
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video/brightnessdown)
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step_backlight -
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;;
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video/brightnessup)
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step_backlight +
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;;
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*)
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logger "ACPI group/action undefined: $1 / $2"
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;;
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esac
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