524 static int snd_msnd_mpu401_open(struct snd_mpu401 *mpu)  in snd_msnd_mpu401_open()  argument
526 	snd_msnd_enable_irq(mpu->private_data);  in snd_msnd_mpu401_open()
527 	snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_START);  in snd_msnd_mpu401_open()
531 static void snd_msnd_mpu401_close(struct snd_mpu401 *mpu)  in snd_msnd_mpu401_close()  argument
533 	snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_STOP);  in snd_msnd_mpu401_close()
534 	snd_msnd_disable_irq(mpu->private_data);  in snd_msnd_mpu401_close()
599 		struct snd_mpu401 *mpu;  in snd_msnd_attach()  local
612 		mpu = chip->rmidi->private_data;  in snd_msnd_attach()
614 		mpu->open_input = snd_msnd_mpu401_open;  in snd_msnd_attach()
615 		mpu->close_input = snd_msnd_mpu401_close;  in snd_msnd_attach()
616 		mpu->private_data = chip;  in snd_msnd_attach()