linux-kernel - Re: [PATCH] ASoC: da7219: Fix pole orientation detection on OMTP headsets when playing music

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Date:   Wed, 8 Feb 2023 10:04:06 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     David Rau <david.rau.zg@...esas.com>
Cc:     Mark Brown <broonie@...nel.org>, "perex@...ex.cz" <perex@...ex.cz>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "support.opensource@...semi.com" <support.opensource@...semi.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: da7219: Fix pole orientation detection on OMTP
 headsets when playing music

On Tue, Feb 07, 2023 at 02:42:14AM +0000, David Rau wrote:
> 
> > You mean just keep the above two patches and revert 969357ec94e6 ?
> > Sure, I can do that, but feedback from the field would take some
> > 2-3 months. Is that what you recommend to do for now ?
> 
> > Thanks,
> > Guenter
> 
> Thanks for the feedback.
> What I mean is just do rollback to remove the "sleep" patch I did in your repository.
> 
> After the rollback, could you please let me know the average number of crashes per affected system with the same test conditions?
> Will it still take some 2-3 months?
> 
The msleep() patch has been reverted in R111 and dev
releases of ChromeOS. I did not get permission to land
the revert in R110, meaning we'll continue to see the
crashes there. R111 is expected to go to Beta shortly,
so we should get _some_ feedback in the next few weeks.

Still, it would be great to get a more permanent fix
for the underlying problem. Also, the msleep() patch
is still upstream, so a solution is still needed there.

I can try to get and play with one of the affected
Chromebooks, but I don't think that would help much
since we still don't know what the undocumented ground
switch is supposed to do.

Thanks,
Guenter