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From: Mark Brown <broonie@kernel.org>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Jean-Francois Moine <moinejf@free.fr>,
	alsa-devel@alsa-project.org, Takashi Iwai <tiwai@suse.de>,
	linux-kernel@vger.kernel.org,
	devicetree-discuss@lists.ozlabs.org,
	Liam Girdwood <lgirdwood@gmail.com>,
	Rob Herring <rob.herring@calxeda.com>
Subject: Re: [alsa-devel] [PATCH] ARM: kirkwood: enable S/PDIF
Date: Tue, 23 Jul 2013 14:26:28 +0100	[thread overview]
Message-ID: <20130723132628.GD9858@sirena.org.uk> (raw)
In-Reply-To: <51EE8158.4050300@gmail.com>

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On Tue, Jul 23, 2013 at 03:12:56PM +0200, Sebastian Hesselbarth wrote:

> the mask that is changed in the patch is what will be written
> into i2s controller's registers. So, if there is no S/PDIF in that
> specific controller that bit can possibly have a different meaning.
> Also, enabling both I2S playback and SPDIF playback can cause the
> controller to behave differently.

Oh, so it will - I glanced through it and misread, sorry.  If it just
makes the enabling of S/PDIF mode conditional on DAI format that'd cover
it.

> I share Russell's concern about it and would rather like to use
> multiple codecs per DAI (DPCM) for that. I see Daniel Mack picked
> that up again, maybe he submits something soon.

Well, that'd be ideal and is going to be needed for any hardware which
has both wired up in parallel but a simpler either/or thing doesn't seem
like a problem.

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  reply	other threads:[~2013-07-23 13:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-23  8:23 [PATCH] ARM: kirkwood: enable S/PDIF Jean-Francois Moine
2013-07-23  8:43 ` Russell King - ARM Linux
2013-07-23 13:06   ` Mark Brown
2013-07-23 13:12     ` Sebastian Hesselbarth
2013-07-23 13:26       ` Mark Brown [this message]
2013-07-23 13:36       ` Russell King - ARM Linux
2013-07-23 13:21     ` Russell King - ARM Linux
2013-07-23 13:31       ` Mark Brown

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