From: Mark Brown <broonie@kernel.org>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Liam Girdwood <lgirdwood@gmail.com>, Simon <horms@verge.net.au>,
Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>
Subject: Re: How to specify data format if playback/capture were different ?
Date: Sat, 25 May 2013 16:03:45 -0400 [thread overview]
Message-ID: <20130525200345.GC32043@sirena.org.uk> (raw)
In-Reply-To: <874ndt2hht.wl%kuninori.morimoto.gx@renesas.com>
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On Thu, May 23, 2013 at 08:18:09PM -0700, Kuninori Morimoto wrote:
> > I think it is rather unusual that you want or need to set different formats
> > for capture and playback. Especially when BCLK and LRCLK are shared. That's
> > probably why it isn't supported yet.
> This (playback and capture wer different format) is first case for me.
> Maybe ak4554 is very special.
> OK, I understand, thank you very much
The reason this is only supported is that there's an assumption that the
DAI will have the same clocks for both directions - if the clocks can be
formatted differently then it looks a lot like two separate interfaces.
It's also a bit odd to want to use different formats, there's rarely any
reason to do that.
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prev parent reply other threads:[~2013-05-26 20:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 2:47 How to specify data format if playback/capture were different ? Kuninori Morimoto
2013-05-21 11:58 ` Lars-Peter Clausen
2013-05-22 1:02 ` Kuninori Morimoto
2013-05-22 1:12 ` Kuninori Morimoto
2013-05-22 8:43 ` Lars-Peter Clausen
2013-05-22 8:54 ` Kuninori Morimoto
2013-05-22 11:41 ` Lars-Peter Clausen
2013-05-24 3:18 ` Kuninori Morimoto
2013-05-25 20:03 ` Mark Brown [this message]
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