SNDRV_PROTOCOL_MAJOR 43 include/uapi/sound/asound.h #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) SNDRV_PROTOCOL_MAJOR 43 tools/include/uapi/sound/asound.h #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)