Measurement Specialties HTU21 humidity & temperature sensor

modulename: htu21.ko

configname: CONFIG_HTU21

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Humidity sensors
└─>Measurement Specialties HTU21 humidity & temperature sensor
In linux kernel since version 4.1 (release Date: 2015-06-21)  
If you say yes here you get support for the Measurement Specialties
HTU21 humidity and temperature sensor.
This driver is also used for MS8607 temperature, pressure & humidity
sensor

This driver can also be built as a module. If so, the module will
be called htu21.

source code: