From: Lars-Peter Clausen <lars@metafoo.de>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
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: Tue, 21 May 2013 13:58:19 +0200 [thread overview]
Message-ID: <519B615B.5070409@metafoo.de> (raw)
In-Reply-To: <87ppwl3v71.wl%kuninori.morimoto.gx@renesas.com>
On 05/21/2013 04:47 AM, Kuninori Morimoto wrote:
>
> Hi Mark, and ALSA ML
>
> Now, I'm creating ak4554 AD/DA.
> My question is about data format.
>
> If my understand is correct,
> we can specify cpu/codec deivce data format by using
>
> snd_soc_dai_set_fmt(dai, SND_SOC_DAIFMT_xxx);
>
> But, ak4554 case, data formats are
> playback : SND_SOC_DAIFMT_RIGHT_J
> capture : SND_SOC_DAIFMT_LEFT_J
> and, it can't exchange this data format.
>
> CPU driver should set these information for ak4554 when playback/capture.
>
> Then, how to specify these data format on ALSA SoC ?
You can add two different DAIs one for playback one for capture. Then you
can specify the format for each.
- Lars
next prev parent reply other threads:[~2013-05-21 11:58 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 [this message]
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
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