linux-kernel - Re: [PATCH] ARM: kirkwood: enable S/PDIF

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Message-ID: <20130723133119.GG9858@sirena.org.uk>
Date:	Tue, 23 Jul 2013 14:31:19 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Jean-Francois Moine <moinejf@...e.fr>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Rob Herring <rob.herring@...xeda.com>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH] ARM: kirkwood: enable S/PDIF

On Tue, Jul 23, 2013 at 02:21:04PM +0100, Russell King - ARM Linux wrote:
> On Tue, Jul 23, 2013 at 02:06:22PM +0100, Mark Brown wrote:

> > This patch will do absolutely nothing unless it's used in a machine
> > driver which connects a S/PDIF CODEC to it.  I see no reason not to
> > apply it, someone with hardware with more complex needs can always build
> > on it later.

> So... what if setting this bit causes the SoC to start wiggling a pin
> with the SPDIF signal which has been used for a different purpose?

Right, yup - didn't read it fully.  Like I say doing it conditional on
the DAI format should be fine though.

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