SNDRV_PCM_IOCTL_TSTAMP  577 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_TSTAMP		_IOW('A', 0x02, int)
SNDRV_PCM_IOCTL_TSTAMP  577 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_TSTAMP		_IOW('A', 0x02, int)