opl4_sound        151 sound/drivers/opl4/opl4_local.h 	struct opl4_sound sound;
opl4_sound        165 sound/drivers/opl4/opl4_local.h 	const struct opl4_sound *sound;
opl4_sound        487 sound/drivers/opl4/opl4_synth.c 	const struct opl4_sound *sound[2];