Bug#787099: pulseaudio: Output is muted when headphones/speakers are plugged in

[Felipe Sateler]

Control: reassign -1 linux-image-4.0.0-1-amd64

On 31 May 2015 at 20:38, Martin Erik Werner <martinerikwerner at gmail.com> wrote:
> On Sun, 2015-05-31 at 18:17 -0300, Felipe Sateler wrote:
>> Control: forwarded -1 https://bugs.freedesktop.org/show_bug.cgi?id=90491
>>
>> (...)
>>
>> This looks like the same as the upstream bug
>> https://bugs.freedesktop.org/show_bug.cgi?id=90491
>>
>> Could you please confirm that? If so, this is an alsa bug and not a pulse bug.
>
> It is similar, but not exactly.
>
> In my case "Speaker+LO" goes to zero as in the upstream bug, but in addition it
> and "Master" are also muted when I plug in headphones, and the "Headphone"
> slider is not unmuted.
>
> If I then unmute all three and correct the "Speaker+LO" volume, I can use the
> headphones, but if I then unplug them, all three sliders are again muted, and I
> need to unmute "Master" and "Speaker+LO" for the internal spekaers to work.
>
> If I plug in again without adjusting so the internal speakers work, then when I
> plug it back in, only the "Speaker+LO" slider is zeroed and unmuted, the
> "Master" and "Headphone" seems to go to a reasonable state.
>
> If I fix the internal speaker volume it then return to the starting case.
>
> The previous behaviour was that seemingly the volume and mute settings were
> saved as two independent states with plug in/out, but I do not know the
> specific states/changes of the sliders at that point.
>
> Given the similarity to the issues described in the upstream bug, I'd guess
> it's related, and likely an alsa bug rather than a pulseaudion one.

I'm reassigning to the kernel then. Martin, it could be useful to
attach the alsa-info[1] output, or even better submit this to the
upstream ALSA list.

[1] https://wiki.ubuntu.com/Audio/AlsaInfo

-- 

Saludos,
Felipe Sateler