linux-kernel - Re: sof-audio-pci-intel-tgl/soundwire 6.6.8 kernel outputs no sound on speakers but works on headphones

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Date: Tue, 2 Jan 2024 11:26:18 +0200 (EET)
From: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
To: Marc MERLIN <marc@...lins.org>
cc: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>, 
    Rander Wang <rander.wang@...el.com>, 
    Bard Liao <yung-chuan.liao@...ux.intel.com>, alsa-devel@...a-project.org, 
    linux-kernel@...r.kernel.org
Subject: Re: sof-audio-pci-intel-tgl/soundwire 6.6.8 kernel outputs no sound
 on speakers but works on headphones

Hi,

On Sat, 23 Dec 2023, Marc MERLIN wrote:

> Howdy,
> 
> First, apologies if I'm not sending this to the right place, I could not
> find an approrpriate soundwire/sof mailing list, please redirect me as
> needed (I had to find an old soundwire message for reference)
> 
> laptop; Dell XPS 17 9730
> 
> merlin:~# lspci | grep -i audio
> 0000:00:1f.3 Multimedia audio controller: Intel Corporation Device 51ca (rev 01)
> 
> stock mainline 6.6.8 shows the device, but no sound comes out, as if it
> were muted, but I do not see anyting muted in alsamixer. If I plug in

we'd need a bit more info, especially alsa-info output, to figure out 
whether this is an issue with the mixer settings and/or the drivers. 
Instructions how to get alsa-info output availbale at 
https://thesofproject.github.io/latest/getting_started/intel_debug/suggestions.html

Please file a bug at 
https://github.com/thesofproject/linux/issues

There was one bug affecting 9730 variants, but I don't think your case
is the the same:
https://github.com/thesofproject/linux/issues/4380

Br, Kai