2020-09-23 09:16:24 +02:00
|
|
|
#!/bin/sh
|
2020-09-23 11:30:36 +02:00
|
|
|
# SPDX-License-Identifier: Unlicense
|
2020-09-23 09:16:24 +02:00
|
|
|
|
|
|
|
volumevalue=$(amixer sget Master | grep 'Right:' | awk -F'[][]' '{ print $2 }' | tr -d '%')
|
|
|
|
timeout=$1
|
|
|
|
|
|
|
|
if [ -z "$timeout" ]; then
|
|
|
|
echo "Timeout missing!"
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
|
|
|
if [ "$volumevalue" -eq 0 ]; then
|
|
|
|
|
|
|
|
while [ "$volumevalue" -lt 100 ]; do
|
|
|
|
volumevalue=$((volumevalue + 1))
|
|
|
|
amixer -q sset 'Master' $volumevalue%
|
|
|
|
echo $volumevalue
|
|
|
|
sleep $timeout
|
|
|
|
done
|
|
|
|
|
|
|
|
elif [ "$volumevalue" -gt 0 ]; then
|
|
|
|
|
|
|
|
while [ "$volumevalue" -gt 0 ]; do
|
|
|
|
volumevalue=$((volumevalue - 1 ))
|
|
|
|
amixer -q sset 'Master' $volumevalue%
|
|
|
|
echo $volumevalue
|
|
|
|
sleep $timeout
|
|
|
|
done
|
|
|
|
|
|
|
|
fi
|
|
|
|
|