linux-kernel - Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

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Message-ID: <20150108200421.GC2634@sirena.org.uk>
Date:	Thu, 8 Jan 2015 20:04:21 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Jean-Francois Moine <moinejf@...e.fr>
Cc:	Jyri Sarha <jsarha@...com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Dave Airlie <airlied@...il.com>,
	Andrew Jackson <Andrew.Jackson@....com>,
	alsa-devel@...a-project.org, devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

On Thu, Jan 08, 2015 at 05:42:57PM +0100, Jean-Francois Moine wrote:

> Examples:

> - for the Cubox:

> 	audio-inputs = "i2s", "spdif";

> - for some other board with I2S on the pins 3 and 4 only:

> 	audio-inputs = "none", "none", "i2s", "i2s";

> - for a fully wired TDA9983B (no driver yet):

> 	audio-inputs = "i2s", "i2s", "i2s", "i2s", "spdif";

I think that mostly works, though I do wonder if we need a way to
specify the ordering of the pins (if you can make pin 3 be the first two
I2S channels for example)?  Someone might choose a strange mapping for
board routing reasons for example.

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