saa7164_api_i2c_read
return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg),
retval = saa7164_api_i2c_read(bus,
retval = saa7164_api_i2c_read(bus, msgs[i].addr,
int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,