SNDRV_PCM_IOCTL_HW_REFINE  580 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_HW_REFINE	_IOWR('A', 0x10, struct snd_pcm_hw_params)
SNDRV_PCM_IOCTL_HW_REFINE  580 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_HW_REFINE	_IOWR('A', 0x10, struct snd_pcm_hw_params)