MSNDMIDI_MODE_BIT_INPUT 54 sound/isa/msnd/msnd_midi.c set_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode); MSNDMIDI_MODE_BIT_INPUT 64 sound/isa/msnd/msnd_midi.c clear_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode);