OPL3SA2_SYS_CTRL  264 sound/isa/opl3sa2.c 		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, (chip->ymode << 4));
OPL3SA2_SYS_CTRL  267 sound/isa/opl3sa2.c 		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, 0x00);