System76 ACPI Driver

modulename: system76_acpi.ko
configname: CONFIG_SYSTEM76_ACPI

Linux Kernel Configuration
└─> Device Drivers
└─> X86 Platform Specific Device Drivers
└─> Hardware Monitoring support
└─> System76 ACPI Driver

This is a driver for System76 laptops running open firmware. It adds
support for Fn-Fx key combinations, keyboard backlight, and airplane mode

If you have a System76 laptop running open firmware, say Y or M here.

source code: