[alsa-devel] aplay lists both Playback and Capture devices

[Fabio Estevam]

Hi Mark,

On Sat, Jun 1, 2013 at 4:06 PM, Mark Brown <broonie at kernel.org> wrote:
> On Sat, Jun 01, 2013 at 03:09:38PM -0300, Fabio Estevam wrote:
>
>> root at freescale /$ cat /proc/asound/pcm
>> 00-00: HiFi Playback sgtl5000-0 :  : playback 1 : capture 1
>> 00-01: HiFi Capture sgtl5000-1 :  : playback 1 : capture 1
>
> Hrm, in that case the kernel does seem to be lying about capabilites...
> are all the DAIs correctly listing that they're unidirectional?

What is the proper way to know this information?

Or how do I tell that each DAI is unidirectional?

Thanks,

Fabio Estevam