MAX31856 thermocouple sensor

modulename: max31856.ko

configname: CONFIG_MAX31856

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Temperature sensors
└─>SPI support
└─>MAX31856 thermocouple sensor
In linux kernel since version 5.1 (release Date: 2019-05-05)  
If you say yes here you get support for MAX31856
thermocouple sensor chip connected via SPI.

This driver can also be built as a module. If so, the module
will be called max31856.

source code: