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

Mark Brown broonie at kernel.org
Sat Jun 1 23:05:34 CEST 2013

On Sat, Jun 01, 2013 at 04:20:50PM -0300, Fabio Estevam wrote:

> What is the proper way to know this information?

> Or how do I tell that each DAI is unidirectional?

If it's not got any playback or capture capabilities.
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