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#!/bin/bash
FUNCTIONS=$HOME/bin/functions.sh
[ -e $FUNCTIONS ] || exit 1
. $FUNCTIONS
LED=/sys/class/leds/0003:17EF:6009.0004:amber:mute/brightness
function increase_volume()
{
mute amixer sset Master 10%+
}
function decrease_volume()
{
mute amixer sset Master 10%-
}
function toggle_volume()
{
state=$(amixer sget Master | grep -o '\[o[n|f]*\]' | head -n 1)
case "$state" in
"[on]")
mute amixer sset Master mute
mute amixer sset Headphone mute
mute amixer sset Speaker mute
echo 1 > $LED
;;
"[off]")
mute amixer sset Master unmute
mute amixer sset Headphone unmute
mute amixer sset Speaker unmute
echo 0 > $LED
;;
esac
}
case "$1" in
increase)
increase_volume
;;
decrease)
decrease_volume
;;
toggle)
toggle_volume
;;
*)
;;
esac
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