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From: Mark Brown <broonie@kernel.org>
To: Jerome Brunet <jbrunet@baylibre.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Jonathan Corbet <corbet@lwn.net>,
	alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org,
	Samuel Holland <samuel@sholland.org>,
	linux-doc@vger.kernel.org, Takashi Iwai <tiwai@suse.com>,
	devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>
Subject: Re: [alsa-devel] [PATCH 4/4] ASoC: simple-card: Add support for codec-to-codec dai_links
Date: Thu, 13 Feb 2020 11:38:46 +0000
Message-ID: <20200213113846.GB4333@sirena.org.uk> (raw)
In-Reply-To: <1jpneialqa.fsf@starbuckisacylon.baylibre.com>

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On Thu, Feb 13, 2020 at 10:18:53AM +0100, Jerome Brunet wrote:
> On Thu 13 Feb 2020 at 07:11, Samuel Holland <samuel@sholland.org> wrote:

> > +- codec-to-codec			: Indicates a codec-to-codec
> > dai-link.

> I wonder if such property could be viewed as a Linux implementation
> detail ?

Yes, it is.

> Should the card figure out the codec-to-codec links on its own or is it
> something generic enough to put in DT ?

We should be able to figure it out by ourselves, we already have a link
between two CODECs - we should be able to infer that it is in fact a
link between two CODECs with the information we already have, probably
by looking at the two devices that are referenced.

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Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13  6:11 [alsa-devel] [PATCH 0/4] simple-audio-card codec2codec support Samuel Holland
2020-02-13  6:11 ` [alsa-devel] [PATCH 1/4] ASoC: codec2codec: avoid invalid/double-free of pcm runtime Samuel Holland
2020-02-13  8:37   ` Jerome Brunet
2020-02-13 11:37     ` Mark Brown
2020-02-13 13:37       ` Jerome Brunet
2020-02-13 13:31   ` [alsa-devel] Applied "ASoC: codec2codec: avoid invalid/double-free of pcm runtime" to the asoc tree Mark Brown
2020-02-13  6:11 ` [alsa-devel] [PATCH 2/4] ALSA: pcm: Make snd_pcm_limit_hw_rates take hw directly Samuel Holland
2020-02-13  6:30   ` Takashi Iwai
2020-02-15  3:19     ` Samuel Holland
2020-02-13  6:11 ` [alsa-devel] [PATCH 3/4] ASoC: pcm: Export parameter intersection logic Samuel Holland
2020-02-13  6:11 ` [alsa-devel] [PATCH 4/4] ASoC: simple-card: Add support for codec-to-codec dai_links Samuel Holland
2020-02-13  9:18   ` Jerome Brunet
2020-02-13 11:38     ` Mark Brown [this message]

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