QNAP microcontroller unit core driver

modulename: qnap-mcu.ko

configname: CONFIG_MFD_QNAP_MCU

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Serial device bus
└─>QNAP microcontroller unit core driver
In linux kernel since version 6.6.78 (release Date: 2025-02-17)  
Select this to get support for the QNAP MCU device found in
several devices of QNAP network attached storage products that
implements additional functionality for the device, like fan
and LED control.

This driver implements the base serial protocol to talk to the
device and provides functions for the other parts to hook into.

source code: