snd_opl3_note_off  133 sound/drivers/opl3/opl3_seq.c 	.note_off =		snd_opl3_note_off,
snd_opl3_note_off   19 sound/drivers/opl3/opl3_voice.h void snd_opl3_note_off(void *p, int note, int vel, struct snd_midi_channel *chan);