linux-kernel - Re: [PATCH AUTOSEL 5.7 004/388] ASoC: tegra: tegra

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Message-ID: <20200618143930.GI5789@sirena.org.uk>
Date:   Thu, 18 Jun 2020 15:39:30 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Dmitry Osipenko <digetx@...il.com>,
        alsa-devel@...a-project.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.7 004/388] ASoC: tegra: tegra_wm8903: Support
 nvidia, headset property

On Thu, Jun 18, 2020 at 10:30:46AM -0400, Sasha Levin wrote:
> On Thu, Jun 18, 2020 at 12:00:23PM +0100, Mark Brown wrote:
> > On Wed, Jun 17, 2020 at 09:01:41PM -0400, Sasha Levin wrote:
> > > From: Dmitry Osipenko <digetx@...il.com>
> > > 
> > > [ Upstream commit 3ef9d5073b552d56bd6daf2af1e89b7e8d4df183 ]
> > > 
> > > The microphone-jack state needs to be masked in a case of a 4-pin jack
> > > when microphone and ground pins are shorted. Presence of nvidia,headset
> > > tells that WM8903 CODEC driver should mask microphone's status if short
> > > circuit is detected, i.e headphones are inserted.

> > This is a new feature not a bugfix.

> I saw this patch more as a hardware quirk.

Pretty much any DT property is a hardware quirk :(

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