snd_gf1_interrupt_midi_out
if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) {
if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out)
gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out;
gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out;