OPL3SA2_SINGLE 464 sound/isa/opl3sa2.c OPL3SA2_SINGLE("Mic Playback Switch", 0, 0x09, 7, 1, 1), OPL3SA2_SINGLE 467 sound/isa/opl3sa2.c OPL3SA2_SINGLE("ZV Port Switch", 0, 0x02, 0, 1, 0),