Re: ALSA bug? Laptop headphone output depending on speaker channel setting
Brendon Higgins wrote:
> Seasonal greetings, Debian users!
>
> I was wondering if anyone has pointers for an audio configuration issue. I have
> Debian Testing running on a Dell laptop (Latitude E6320, audio chipset
> detected as HDA Intel PCH, 92HD90BXX). The speaker output works fine. When I
> plug in headphones, the system seems to detect that okay: it mutes the
> speakers ("Speaker+LO" channel in alsamixer) and unmutes the headphones
> ("Headphone" channel).
>
> The problem is that no sound comes out of my headphones.
>
> I've noticed that I have to also unmute and restore volume of the Speaker+LO
> channel to hear anything in the headphones (meanwhile, with headphones
> connected, the laptop speakers are silent as you would expect). The Headphone
> volume setting doesn't seem to matter at all, although muting that does also
> cause the headphones to mute.
>
> It all used to work fine, but probably a couple of years ago it started having
> this behaviour. I suspect it was a kernel update, or maybe ALSA library - I
> can't be certain - and put it off hoping the bug might just get fixed...
>
> Any suggestions? I looked at the hdajackretask app, but no idea where I would
> even start there.
Do you have pulseaudio running on your system?
It is a layer above ALSA, and could be related to your
issue.
> Thanks in advance,
> Brendon
>
>
>
--
Joel Roth
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