I2C_ADDR_XLATE_8BIT
buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_READ);
buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_WRITE);
buf[0] = I2C_ADDR_XLATE_8BIT(client->addr, I2C_SMBUS_READ);
buf[0] = I2C_ADDR_XLATE_8BIT(client->addr, I2C_SMBUS_WRITE);