Why does my mic boost automatically go to 100 on every boot?

Posted by Ben on Ask Ubuntu See other posts from Ask Ubuntu or by Ben
Published on 2012-06-26T01:49:50Z Indexed on 2012/06/26 3:24 UTC
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When my computer turns on, it automatically sets the "mic boost" sound setting to 100. This causes a loud static sound in my speakers. I can manually go to alsamixer and turn the mic boost down manually, but I would prefer it if I didn't have to do this every time I turn the computer on.

I've tried running sudo alsactl store after fixing the settings, and this does save them, but I have to run sudo alsactl restore to restore the settings. This means that I have to manually fix the sound every time I start the computer anyway, so it isn't really a fix. I tried putting sudo alsactl restore in my startup programs, but that didn't seem to fix anything.

I'm running Ubuntu 12.04, but I started having this problem before upgrading from 11.10. I'm using a Sony Vaio laptop. I'm not really sure what made it start; it seemed like I just started having the problem randomly one day.

Any help would be appreciated!

Edit: here is the output from running amixer: http://paste.ubuntu.com/1060080/

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