SNDRV_CHMAP_DRIVER_SPEC  573 include/uapi/sound/asound.h #define SNDRV_CHMAP_DRIVER_SPEC		(0x02 << 16)
SNDRV_CHMAP_DRIVER_SPEC  573 tools/include/uapi/sound/asound.h #define SNDRV_CHMAP_DRIVER_SPEC		(0x02 << 16)