Asahi Kasei AK09911 3-axis Compass

modulename: ak09911.ko

configname: CONFIG_AK09911

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Magnetometer sensors
└─>Asahi Kasei AK09911 3-axis Compass
In linux kernel since version 3.17 (release Date: 2014-10-05)  
Say yes here to build support for Asahi Kasei AK09911 3-Axis
Magnetometer.

To compile this driver as a module, choose M here: the module
will be called ak09911.

source code:
selects

CONFIG_AK8975

depends
CONFIG_I2C
CONFIG_IIO or CONFIG_COMPILE_TEST or CONFIG_GPIOLIB