SNDRV_PCM_IOCTL_REWIND  474 include/sound/asound.h SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, snd_pcm_uframes_t),
SNDRV_PCM_IOCTL_REWIND  487 include/sound/asound.h #define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND