HID Magenetometer 3D

modulename: hid-sensor-magn-3d.ko

configname: CONFIG_HID_SENSOR_MAGNETOMETER_3D

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Magnetometer sensors
└─>HID Magenetometer 3D
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say yes here to build support for the HID SENSOR
Magnetometer 3D.

source code:
drivers/iio/magnetometer/hid-sensor-magn-3d.c