[alsa-devel] [RFC] ASoC: soc-pcm: Add support for unidirectional dai links

Mark Brown broonie at kernel.org
Thu Aug 29 13:45:30 CEST 2013

On Thu, Aug 29, 2013 at 12:53:41PM +0200, Lars-Peter Clausen wrote:
> On 08/29/2013 12:47 PM, Mark Brown wrote:

> > This doesn't make much sense to me - it should be possible to tell from
> > the capabilities of the two DAIs on the link if they support both
> > playback and capture.  Or has the board wired up two bidirectional DAIs
> > on each link for some reason?

> The MXS DAIs are unidirectional, but the direction can be configured at
> runtime. The alternative here is to specify the direction at driver probe
> time instead of in the dai_link.

Ah, OK.  That's somewhat interesting and is something that might happen
for other devices - Fabio can you submit your patches please?
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