From 57364f9ae24c3a29163c23d5219bccef7bccc96a Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Sat, 20 Apr 2013 19:29:01 +0200
Subject: ASoC: mxs-pcm: Set SNDRV_PCM_INFO_HALF_DUPLEX

The MXS SAIF is only half-duplex so set the SNDRV_PCM_INFO_HALF_DUPLEX flag for
the PCM in order to prevent playback and capture from running at the same time.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index 7bceb16..907cdb1 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -43,7 +43,8 @@ static struct snd_pcm_hardware snd_mxs_hardware = {
 				  SNDRV_PCM_INFO_MMAP_VALID |
 				  SNDRV_PCM_INFO_PAUSE |
 				  SNDRV_PCM_INFO_RESUME |
-				  SNDRV_PCM_INFO_INTERLEAVED,
+				  SNDRV_PCM_INFO_INTERLEAVED |
+				  SNDRV_PCM_INFO_HALF_DUPLEX,
 	.formats		= SNDRV_PCM_FMTBIT_S16_LE |
 				  SNDRV_PCM_FMTBIT_S20_3LE |
 				  SNDRV_PCM_FMTBIT_S24_LE,
-- 
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