Lines Matching defs:mpu

303 static inline int verify_mpu401(const struct snd_mpu401 *mpu)
305 	return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
311 static inline void initialise_mpu401(const struct snd_mpu401 *mpu)
313 	outb(0, MPU401D(mpu));
764 static int mpu401_open(struct snd_mpu401 *mpu)
766 	if (!verify_mpu401(mpu)) {
767 		dev_err(mpu->rmidi->card->dev,
788 		struct snd_mpu401 *mpu = rawmidi->private_data;
789 		mpu->open_input = mpu401_open;
790 		mpu->open_output = mpu401_open;
791 		mpu->private_data = sscape;
793 		initialise_mpu401(mpu);