From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: aplay lists both Playback and Capture devices
Date: Sat, 1 Jun 2013 22:05:34 +0100
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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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