OPL3_HW_OPL4 394 sound/drivers/opl3/opl3_lib.c case OPL3_HW_OPL4: OPL3_HW_OPL4 451 sound/drivers/opl3/opl3_lib.c case OPL3_HW_OPL4: OPL3_HW_OPL4 518 sound/drivers/opl3/opl3_lib.c case OPL3_HW_OPL4: OPL3_HW_OPL4 131 sound/drivers/opl4/opl4_lib.c opl4->hardware = OPL3_HW_OPL4;