snd_mpu401         84 include/sound/mpu401.h 	int (*open_input) (struct snd_mpu401 * mpu);
snd_mpu401         85 include/sound/mpu401.h 	void (*close_input) (struct snd_mpu401 * mpu);
snd_mpu401         86 include/sound/mpu401.h 	int (*open_output) (struct snd_mpu401 * mpu);
snd_mpu401         87 include/sound/mpu401.h 	void (*close_output) (struct snd_mpu401 * mpu);
snd_mpu401         99 include/sound/mpu401.h 	void (*write) (struct snd_mpu401 * mpu, unsigned char data, unsigned long addr);
snd_mpu401        100 include/sound/mpu401.h 	unsigned char (*read) (struct snd_mpu401 *mpu, unsigned long addr);