pcm_release 467 include/sound/pcm.h void (*pcm_release)(struct snd_pcm_substream *); pcm_release 2356 sound/core/oss/pcm_oss.c substream->pcm_release = snd_pcm_oss_release_substream; pcm_release 2452 sound/core/pcm_native.c if (substream->pcm_release) { pcm_release 2453 sound/core/pcm_native.c substream->pcm_release(substream); pcm_release 2454 sound/core/pcm_native.c substream->pcm_release = NULL; pcm_release 2520 sound/core/pcm_native.c substream->pcm_release = pcm_release_private;