snd_pcm_group     372 include/sound/pcm.h 	struct snd_pcm_group self_group;	/* fake group for non linked substream (with substream lock inside) */
snd_pcm_group     373 include/sound/pcm.h 	struct snd_pcm_group *group;		/* pointer to current group */
snd_pcm_group    1612 sound/core/pcm_native.c 		substream->group = kmalloc(sizeof(struct snd_pcm_group), GFP_ATOMIC);