[alsa-devel] [PATCH 3/4 v7] ASoC: dwc: Add PIO PCM extension

Mark Brown broonie at kernel.org
Wed May 25 12:18:01 CEST 2016


On Wed, May 25, 2016 at 11:11:47AM +0100, Jose Abreu wrote:

> I think I will take the second option. Something like this:
> "
>     ret = snd_dmaengine_pcm_register(...)
>     if (ret == -EPROBE_DEFER)
>         return ret;
>     else
>         pio_register(...);
> "?

Sure.  You should print a diagnostic if you fail to get the DMA, for any
real system it's going to be a bug.
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