midi_synth_controller 14 sound/oss/midi_synth.h void midi_synth_controller (int dev, int channel, int ctrl_num, int value); midi_synth_controller 41 sound/oss/midi_synth.h .controller = midi_synth_controller, midi_synth_controller 899 sound/oss/mpu401.c .controller = midi_synth_controller,