snd_pcm_status    393 include/sound/asound.h struct snd_pcm_status {
snd_pcm_status    463 include/sound/asound.h SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct snd_pcm_status),
snd_pcm_status    575 sound/core/pcm_native.c int snd_pcm_status(struct snd_pcm_substream *substream,