From d6bead020d8f8bcaca5cdcb035250c44b21c93e7 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Thu, 29 Aug 2013 10:32:13 -0300
Subject: [PATCH] ASoC: soc-pcm: Allow to specify unidirectional dai_link

Add 'playback_only' and 'capture_only' fields that can be used for specifying
that a dai_link has a unidirectional capability.

The motivation for this is for the cases of systems, such as Freescale MX28,
that has two unidirectional DAIs.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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