[alsa-devel] How to select input from muxer in front of SSI on i.MX6

Mark Brown broonie at kernel.org
Wed Sep 24 10:21:46 CEST 2014


On Tue, Sep 23, 2014 at 08:11:27AM +0200, Jean-Michel Hautbois wrote:
> Le 23 sept. 2014 03:51, "Mark Brown" <broonie at kernel.org> a écrit :

> > Depending on what the system looks like it's not at all clear that there
> > should be any visibility at all of DPCM in the DT - it's a detail of how
> > Linux is implemented at the end of the day.

> So this should definitely be implemented directly in a specific driver for
> my FPGA which is a DPCM right ?

No, that's really not what DPCM is all about...  if this is a physically
separate device that's not got direct memory access it's probably more
appropriate to represent as a CODEC.  I was CCed in part way so don't
entirely know.
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