CONFIG_CROS_EC_CTL (not configurable)

modulename: cros_ec_ctl.ko

configname: CONFIG_CROS_EC_CTL

Linux Kernel Configuration
└─>Device Drivers
└─>Platform support for Chrome hardware
└─>CROS_EC_CTL
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/platform/chrome/