linux-kernel - Re: [PATCH v3 1/3] ASoC: tegra: add tegra sgtl5000 machine driver

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Message-ID: <20141007175402.GT4609@sirena.org.uk>
Date:	Tue, 7 Oct 2014 18:54:02 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Marcel Ziswiler <marcel@...wiler.com>
Cc:	alsa-devel@...a-project.org, Liam Girdwood <lgirdwood@...il.com>,
	Stephen Warren <swarren@...dotorg.org>, linux@....linux.org.uk,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
	stefan@...er.ch, Fabio Estevam <festevam@...il.com>
Subject: Re: [PATCH v3 1/3] ASoC: tegra: add tegra sgtl5000 machine driver

On Sat, Oct 04, 2014 at 02:15:43AM +0200, Marcel Ziswiler wrote:
> This binding and driver describe/support playback to headphones, and
> capture from line-in and microphone.
> 
> This driver is useful for the Toradex Apalis T30 and Colibri T30 modules.
> 
> Signed-off-by: Marcel Ziswiler <marcel@...wiler.com>
> Reviewed-by: Stephen Warren <swarren@...dia.com>
> ---
> Changes in v3:
> - Revert to not using simple-audio-card being incompatible with tegra.
> - Rebased to for-next.

I can't help but think that't there's still room for a Tegra simple card
here, there doesn't seem to be anything particularly CODEC specific
about the driver here - it *could* use simple-card were it not for the
CPU side.  This also seems like a specific example of the same problem
we see with supporting DPCM in simple-card, we need a way for CPUs to
be able to say that they need some general setup that covers the CPU
internal configuration.

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