snd_pcm_start     559 include/sound/pcm.h int snd_pcm_start(struct snd_pcm_substream *substream);
snd_pcm_start    2176 sound/core/pcm_lib.c 		err = snd_pcm_start(substream);
snd_pcm_start    2237 sound/core/pcm_lib.c 			err = snd_pcm_start(substream);