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

[Jean-Michel Hautbois]

Le 23 sept. 2014 03:51, "Mark Brown" <broonie at kernel.org> a écrit :
>
> On Fri, Sep 19, 2014 at 10:52:06AM -0700, Nicolin Chen wrote:
>
> > This looks like a DPCM (Documentation/sound/alsa/soc/DPCM.txt) to me.
>
> > I'm not sure how to write a DT for DPCM either. But it seems that you
> > might need a specific machine driver (guessing).
>
> > I saw Morimoto-san plans to add DPCM into Simple Card, but not sure
> > when they will finish it. Otherwise, you may use Simple Card while
> > following their defined DT formats.
>
> 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 ?

Thanks,
JM