[Bug 629533] Re: Speakers do not mute when using headphones

[David Henningsson]

Yeah, I can confirm that. The VIA drivers send out a control event from
the driver, which mutes the "Front Playback Switch". This in turn
confuses PulseAudio, who thinks you muted everything and so it tries to
be helpful by muting everything else for you as well.

** Package changed: pulseaudio (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => Triaged

** Tags added: kernel-sound

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Speakers do not mute when using headphones
https://bugs.launchpad.net/bugs/629533
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