CONFIG_CROS_EC_PROTO (not configurable)

modulename: cros_ec_proto.ko

configname: CONFIG_CROS_EC_PROTO

Linux Kernel Configuration
└─>Device Drivers
└─>Platform support for Chrome hardware
└─>CROS_EC_PROTO
In linux kernel since version 3.10 (release Date: 2013-06-30)  
ChromeOS EC communication protocol helpers.

source code: