[alsa-devel] [PATCH] ASoC: core utils: Dont set DMA params for BE substreams

[Liam Girdwood]

BE substreams dont require dummy DMA configs so dont set any.

Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
---
 sound/soc/soc-utils.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 29b211e..5e63365 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -75,7 +75,11 @@ static const struct snd_pcm_hardware dummy_dma_hardware = {
 
 static int dummy_dma_open(struct snd_pcm_substream *substream)
 {
-	snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+	/* BE's dont need dummy params */
+	if (!rtd->dai_link->no_pcm)
+		snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware);
 
 	return 0;
 }
-- 
1.8.1.2