linux-kernel - Re: Haswell audio no longer working with new Catpt driver (was: sound)

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Date:   Thu, 31 Dec 2020 11:04:52 +0100
From:   Lars-Peter Clausen <lars@...afoo.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christian Labisch <clnetbox@...il.com>
Cc:     Greg Kroah-Hartman <stable@...r.kernel.org>,
        Greg Kroah-Hartman <linux-kernel@...r.kernel.org>,
        Akemi Yagi <toracat@...epo.org>,
        Justin Forbes <jforbes@...hat.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        Cezary Rojewski <cezary.rojewski@...el.com>
Subject: Re: Haswell audio no longer working with new Catpt driver (was:
 sound)

On 12/31/20 9:33 AM, Greg Kroah-Hartman wrote:
> On Wed, Dec 30, 2020 at 07:10:16PM +0100, Christian Labisch wrote:
>> Update :
>>
>> I've just tested the kernel 5.10.4 from ELRepo.
>> Unfortunately nothing changed - still no sound.
> Ah, sad.  Can you run 'git bisect' between 5.9 and 5.10 to determine the
> commit that caused the problem?

The problem is that one driver was replaced with another driver. git 
bisect wont really help to narrow down why the new driver does not work.

Christian can you run the alsa-info.sh[1] script on your system and send 
back the result?

You say sound is not working, can you clarify that a bit? Is no sound 
card registered? Is it registered but output stays silent?

- Lars

[1] https://www.alsa-project.org/wiki/AlsaInfo 
<https://www.alsa-project.org/wiki/AlsaInfo>