[alsa-devel] [PATCH] ASoC: dpcm: don't do hw_param when BE has done hw_param

Nenghua Cao nhcao at marvell.com
Fri Jan 10 06:36:35 CET 2014

From: Nenghua Cao <nhcao at marvell.com>

    It fixes the following case:
    Two FEs connects the same BE; FE1 & BE path has been opened and hw_paramed.
At this momment, FE2 & BE path is being opened and hw_paramed. The BE
dai will do hw_param again even if it has done hw_param. It is not

Signed-off-by: Nenghua Cao <nhcao at marvell.com>
 sound/soc/soc-pcm.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 891b9a9..ec07e37 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1339,7 +1339,6 @@ static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
 		if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_OPEN) &&
-		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_PARAMS) &&
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE))

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