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Re: ALSA bug? Laptop headphone output depending on speaker channel setting

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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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Thread

ALSA bug? Laptop headphone output depending on speaker channel setting Brendon Higgins <brendon@quantumfurball.net> - 2020-12-24 20:00 +0100
  Re: ALSA bug? Laptop headphone output depending on speaker channel  setting Joel Roth <joelz@pobox.com> - 2020-12-24 22:10 +0100
    Re: Re: ALSA bug? Laptop headphone output depending on speaker channel setting Brendon Higgins <brendon@quantumfurball.net> - 2020-12-25 19:10 +0100
      Re: ALSA bug? Laptop headphone output depending on speaker channel setting Brendon Higgins <brendon@quantumfurball.net> - 2020-12-30 01:50 +0100
        Re: ALSA bug? Laptop headphone output depending on speaker channel setting Nicholas Geovanis <nickgeovanis@gmail.com> - 2020-12-30 02:20 +0100

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