28 	struct snd_i2c_bus *bus;	/* I2C bus */  member
40 	void (*start)(struct snd_i2c_bus *bus);	/* transfer start */
41 	void (*stop)(struct snd_i2c_bus *bus);	/* transfer stop */
42 …void (*direction)(struct snd_i2c_bus *bus, int clock, int data);  /* set line direction (0 = write…
43 	void (*setlines)(struct snd_i2c_bus *bus, int clock, int data);
44 	int (*getclock)(struct snd_i2c_bus *bus);
45 	int (*getdata)(struct snd_i2c_bus *bus, int ack);
51 	int (*probeaddr)(struct snd_i2c_bus *bus, unsigned short addr);
73 	void (*private_free)(struct snd_i2c_bus *bus);
80 int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name,
84 static inline void snd_i2c_lock(struct snd_i2c_bus *bus)  in snd_i2c_lock()  argument
86 	if (bus->master)  in snd_i2c_lock()
87 		mutex_lock(&bus->master->lock_mutex);  in snd_i2c_lock()
89 		mutex_lock(&bus->lock_mutex);  in snd_i2c_lock()
92 static inline void snd_i2c_unlock(struct snd_i2c_bus *bus)  in snd_i2c_unlock()  argument
94 	if (bus->master)  in snd_i2c_unlock()
95 		mutex_unlock(&bus->master->lock_mutex);  in snd_i2c_unlock()
97 		mutex_unlock(&bus->lock_mutex);  in snd_i2c_unlock()
102 int snd_i2c_probeaddr(struct snd_i2c_bus *bus, unsigned short addr);