SNDRV_PCM_IOCTL_USER_PVERSION  579 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_USER_PVERSION	_IOW('A', 0x04, int)
SNDRV_PCM_IOCTL_USER_PVERSION  579 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_USER_PVERSION	_IOW('A', 0x04, int)