RF switch subsystem support

modulename: rfkill.ko

configname: CONFIG_RFKILL

Linux Kernel Configuration
└─>Networking
└─>RF switch subsystem support
In linux kernel since version 2.6.22 (release Date: 2007-07-08)  
Say Y here if you want to have control over RF switches
found on many WiFi and Bluetooth cards.

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

source code: