CONFIG_SENSORS_HMC5843 (not configurable)

modulename: hmc5843_core.ko

configname: CONFIG_SENSORS_HMC5843

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Magnetometer sensors
└─>SENSORS_HMC5843
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
source code:
drivers/iio/magnetometer/hmc5843_core.c

depends
CONFIG_IIO