#ifndef __MGB4_I2C_H__
#define __MGB4_I2C_H__
#include <linux/i2c.h>
struct mgb4_i2c_client { … };
struct mgb4_i2c_kv { … };
int mgb4_i2c_init(struct mgb4_i2c_client *client, struct i2c_adapter *adap,
struct i2c_board_info const *info, int addr_size);
void mgb4_i2c_free(struct mgb4_i2c_client *client);
s32 mgb4_i2c_read_byte(struct mgb4_i2c_client *client, u16 reg);
s32 mgb4_i2c_write_byte(struct mgb4_i2c_client *client, u16 reg, u8 val);
s32 mgb4_i2c_mask_byte(struct mgb4_i2c_client *client, u16 reg, u8 mask,
u8 val);
int mgb4_i2c_configure(struct mgb4_i2c_client *client,
const struct mgb4_i2c_kv *values, size_t count);
#endif