Chrome OS Embedded Controller userspace device interface

modulename: cros_ec_dev.ko

configname: CONFIG_MFD_CROS_EC_CHARDEV

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Chrome OS Embedded Controller userspace device interface
In linux kernel since version 4.2 (release Date: 2015-08-30)  
This driver adds support to talk with the ChromeOS EC from userspace.

If you have a supported Chromebook, choose Y or M here.
The module will be called cros_ec_dev.

source code: