SNDRV_PCM_IOCTL_REWIND 596 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) SNDRV_PCM_IOCTL_REWIND 596 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)