SNDRV_PCM_IOCTL_SYNC_PTR  587 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_SYNC_PTR	_IOWR('A', 0x23, struct snd_pcm_sync_ptr)
SNDRV_PCM_IOCTL_SYNC_PTR  587 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_SYNC_PTR	_IOWR('A', 0x23, struct snd_pcm_sync_ptr)