LM90_REG_CONFIG2
int config2 = i2c_smbus_read_byte_data(client, LM90_REG_CONFIG2);
int config2 = i2c_smbus_read_byte_data(client, LM90_REG_CONFIG2);
int config2 = i2c_smbus_read_byte_data(client, LM90_REG_CONFIG2);
config2 = i2c_smbus_read_byte_data(client, LM90_REG_CONFIG2);