SND_DEV_SEQ2       21 include/uapi/linux/sound.h #define SND_DEV_SEQ2		8	/* /dev/sequencer, level 2 interface */
SND_DEV_SEQ2       28 sound/oss/dmasound/dmasound.h #define SND_DEV_SEQ2	8	/* /dev/sequencer, level 2 interface */