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

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Message-ID: <20130723132104.GT24642@n2100.arm.linux.org.uk>
Date:	Tue, 23 Jul 2013 14:21:04 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Mark Brown <broonie@...nel.org>
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 02:06:22PM +0100, Mark Brown wrote:
> On Tue, Jul 23, 2013 at 09:43:47AM +0100, Russell King - ARM Linux wrote:
> > On Tue, Jul 23, 2013 at 10:23:20AM +0200, Jean-Francois Moine wrote:
> > > This patch enables S/PDIF.
> 
> > > Signed-off-by: Jean-Francois Moine <moinejf@...e.fr>
> 
> > I'm not submitting my patch to do this because:
> 
> > (a) we don't know what effect this has on other hardware.
> 
> 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?
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