SNDRV_PCM_IOCTL_START  592 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_START		_IO('A', 0x42)
SNDRV_PCM_IOCTL_START  592 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_START		_IO('A', 0x42)