ALSA Mutes Incorrect Audio Device on Headphone Event

Posted by Gardiner on Ask Ubuntu See other posts from Ask Ubuntu or by Gardiner
Published on 2013-10-18T23:09:53Z Indexed on 2013/10/19 16:09 UTC
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Filed under:

alsa

|

headphones

I know what the problem is, I just don't know how to prevent it. When I plug in my headphones, ALSA automatically mutes (and sets the volume to 0) the 'Speaker' entry in alsamixer. If I go in and manually unmute (and turn the volume up) I have sound from my headphones.

Question is, how do I change this behavior? I want it to adjust the volume to half, but not mute or set the volume to 0.

I'm using Ubuntu Gnome 13.04

Output of amixer scontents

Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]

This answer solved my issue: How can I get sound on headphones without switching back to 'Speakers' manually?

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