OPL4_REG_F_NUMBER  447 sound/drivers/opl4/opl4_synth.c 	snd_opl4_write(opl4, OPL4_REG_F_NUMBER + voice->number, voice->reg_f_number);
OPL4_REG_F_NUMBER  519 sound/drivers/opl4/opl4_synth.c 		snd_opl4_write(opl4, OPL4_REG_F_NUMBER + voice[i]->number,