[PATCH] ASoC: tda998x: add a codec to the HDMI transmitter

[Mark Brown]

On Thu, Jul 03, 2014 at 01:34:06PM +0200, Jean-Francois Moine wrote:
> Mark Brown <broonie at kernel.org> wrote:

> > Your board happens to only be able to present the same input on both I2S
> > and S/PDIF but that might not apply to other boards, they may be able to
> > route different signals to each which would present a practical problem.

> If there are two different streamss on I2S and S/PDIF, and if the audio
> subsystem wants to route these streams to the same connector (widget
> 'hdmi-out'), then, somewhere, there should be a software or a design
> bug. No?

Yes, which is why the driver shouldn't silently ignore the situation.

> Anyway, the tda998x cannot know if the double route is wanted or not.

It doesn't need to know, it just needs to identify something it can't
support either by providing a way to pick which interface is used or by
rejecting the second interface.
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