[alsa-devel] [PATCH 2/4] ASoC: core: Adds support for cpu loopback dai_link

Mark Brown broonie at kernel.org
Wed Dec 30 19:03:44 CET 2015


On Wed, Dec 16, 2015 at 08:18:06PM +0530, Vinod Koul wrote:
> On Wed, Dec 02, 2015 at 10:32:41AM +0000, Mark Brown wrote:

> > But neither of these is a CODEC so why would the CODEC flag be set in
> > the DAI?  Unless your "Codec" here is genuinely the CODEC rather than
> > the CPU DAI connected to the CODEC in which case surely this is just a
> > normal DAI link?

> Sorry Mark for late reply..

> You are right this is like a normal link, and yes that is _exactly_ we need,
> but we also need parameters to be specified for this as this is hostless.

> The moment I add 'params" core will do different connections which do not
> work for us.

> I am okay if you have something else in mind which solves our problem :)

Isn't this what the DPCM fixup() is supposed to handle?  As I keep
saying I really think these systems would work a lot better if they were
representing the DSP as a CODEC, that makes everything much more
consistent and less riddled with special cases.
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