linux-kernel - Re: [PATCH 2/2] ASoC: cs35l56: Read firmware uuid from a device property instead of

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Message-ID: <df6c3dc2-e530-46f6-b4c8-0619ae23a794@sirena.org.uk>
Date:   Wed, 16 Aug 2023 18:23:48 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        patches@...nsource.cirrus.com,
        Maciej Strozek <mstrozek@...nsource.cirrus.com>
Subject: Re: [PATCH 2/2] ASoC: cs35l56: Read firmware uuid from a device
 property instead of _SUB

On Wed, Aug 16, 2023 at 06:09:52PM +0100, Richard Fitzgerald wrote:
> On 16/8/23 18:03, Mark Brown wrote:
> > On Wed, Aug 16, 2023 at 05:49:06PM +0100, Richard Fitzgerald wrote:

> > > There is also a need to support instantiating this driver using software
> > > nodes. This is for systems where the CS35L56 is a back-end device and the
> > > ACPI refers only to the front-end audio device - there will not be any ACPI
> > > references to CS35L56.

> > Are there any existing systems (or might there be given that the driver
> > is in released kernels already) which rely on _SUB?

> No. Nothing has been released with CS35L56.

And nobody's going to pick up a kernel with the old binding when they're
putting together a product?  If we're going to make this change it
should be sent as a fix in order to minimise the risk of that happening
but this patch doesn't apply against for-6.5, could you rebase please?

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