OLPC XO 1.75 Embedded Controller

modulename: olpc-xo175-ec.ko

configname: CONFIG_OLPC_XO175_EC

Linux Kernel Configuration
└─>Device Drivers
└─>Platform support for OLPC XO 1.75 hardware
└─>Power supply class support
└─>OLPC XO 1.75 Embedded Controller
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Include support for the OLPC XO Embedded Controller (EC). The EC
provides various platform services, including support for the power,
button, restart, shutdown and battery charging status.

Unless you have an OLPC XO laptop, you will want to say N.

source code: