amixer in ubuntu

If you want to change the volume in Ubuntu 11.10 it seems that amixer
is kind of bugged when it comes to toggle (mute/unmute). When
toggling Master, it also mutes all the separate groups (Front,
headphone, PCM and so on), but when toggled again it only unmutes
Master, which leaves the rest muted…

I came across a nice workaround that i wanted to share. The solution
was written by Jim Hunziker on this page:
http://askubuntu.com/a/71551/42842

1) Make a volumetoggle.sh with the following content:

#!/bin/bash CURRENT_STATE=`amixer get Master | egrep 'Playback.*?[o' | egrep -o '[o.+]'|head -n 1`if [[ $CURRENT_STATE == '[on]' ]]; then    amixer set Master muteelse   amixer set Master unmute   amixer set Front unmute   amixer set Headphone unmute   amixer set PCM unmutefi

2) chmod u+x volumetoggle.sh

3) Bind it to some key (f.ex. XF86AudioMute) to run volumetoggle.sh

Voila.

 

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