[alsa-devel] [PATCH 11/19] ASoC: intel: mfld-pcm: don't call trigger ops to DSP for internal streams

Vinod Koul vinod.koul at intel.com
Fri Jun 13 14:34:00 CEST 2014


For internal stream i.e BE we have don't need trigger ops as that would be
handled by DAPM for us in subsequent patches

Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/intel/sst-mfld-platform-pcm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 8df5aca..0fbb688 100644
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/sst-mfld-platform-pcm.c
@@ -519,6 +519,8 @@ static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,
 	int str_cmd, status;
 
 	pr_debug("sst_platform_pcm_trigger called\n");
+	if (substream->pcm->internal)
+		return 0;
 	stream = substream->runtime->private_data;
 	str_id = stream->stream_info.str_id;
 	switch (cmd) {
-- 
1.7.0.4



More information about the Alsa-devel mailing list