|  | #ifndef _LINUX_I2C_ALGO_PCA_H | 
|  | #define _LINUX_I2C_ALGO_PCA_H | 
|  |  | 
|  | struct i2c_algo_pca_data { | 
|  | int  (*get_own)			(struct i2c_algo_pca_data *adap); /* Obtain own address */ | 
|  | int  (*get_clock)		(struct i2c_algo_pca_data *adap); | 
|  | void (*write_byte)		(struct i2c_algo_pca_data *adap, int reg, int val); | 
|  | int  (*read_byte)		(struct i2c_algo_pca_data *adap, int reg); | 
|  | int  (*wait_for_interrupt)	(struct i2c_algo_pca_data *adap); | 
|  | }; | 
|  |  | 
|  | int i2c_pca_add_bus(struct i2c_adapter *); | 
|  | int i2c_pca_del_bus(struct i2c_adapter *); | 
|  |  | 
|  | #endif /* _LINUX_I2C_ALGO_PCA_H */ |