[LAU] Recording from S/PDIF

[Paul Davis]

On Wed, Nov 22, 2017 at 1:02 PM, Clemens Ladisch <clemens at ladisch.de> wrote:

> David Kastrup wrote:
> > Clemens Ladisch <clemens-P6GI/4k7KOmELgA04lAiVw at public.gmane.org>
> > writes:
> >> David Kastrup wrote:
> >>> Does this information get back out of the ALSA driver (I can use
> >>> an RME Multiface here) in some manner?
> >>
> >> As far as I can see, this driver does not give you access to the
> >> channel status bits of the capture stream.  (And even C-Media cards
> >> give you only the first 32 bits.)
> >
> > Huh.  Is that an ALSA shortcoming?
>
> No, of the hardware.
>

​Not always. When I wrote the RME driver for the
digiface/multiface/digi9652 etc, I knew that status bits were available,
but I don't recall exporting them to user space. At this point in time, I
don't even remember what the ALSA abstraction for that would be. The
"control" device? The mixer?​


​
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