DB2K_REF_DACS_SET  628 drivers/staging/comedi/drivers/daqboard2000.c 	writew(DB2K_REF_DACS_SET | DB2K_REF_DACS_SELECT_POS_REF,
DB2K_REF_DACS_SET  638 drivers/staging/comedi/drivers/daqboard2000.c 	writew(DB2K_REF_DACS_SET | DB2K_REF_DACS_SELECT_NEG_REF,