[pulseaudio-tickets] [Bug 105654] Unable to properly switch between Speakers and Headphones (has "workaround")

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105654

--- Comment #10 from Tanu Kaskinen <tanuk at iki.fi> ---
Ok, undo the [Element Front] change, since it muted the headphones permanently.

It sounds like the Line element isn't doing anything. Can you verify that?
Remove or comment out the [Element Line] section from both conf files, then
restart pulseaudio and select the headphone port (you should get audio in the
speakers as well), and then with alsamixer test if muting or changing volume of
the Line element has any effect on the speaker output. If it doesn't have any
effect, this should be reported to alsa. Instructions here:
http://alsa-project.org/main/index.php/Bug_Tracking (remember to give them the
alsa-info output, for some reasons when I point people to those instructions
they still sometimes fail to follow them when filing bug reports to alsa).

Here's a new attempt at a workaround in pulseaudio: put this in
analog-output-headphones.conf:

    [Element Auto-Mute Mode]
    enumeration = select

    [Option Auto-Mute Mode:Enabled]
    name = auto-mute-on

and this in analog-output-lineout.conf:

    [Element Auto-Mute Mode]
    enumeration = select

    [Option Auto-Mute Mode:Disabled]
    name = auto-mute-off

I don't want to add this workaround to pulseaudio, since it's so clearly a bug
in alsa and the workaround is very ugly, but if it turns out that your alsa bug
report doesn't lead to a fix (it happens), then I will have to consider doing
this anyway in pulseaudio.

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