3 ms·
From your description I suspect that it is the keyboard controller that directly implements the functionality. It might not be exposed via ACPI. However, there
by GianFabien 3y ago
From your description I suspect that it is the keyboard controller that directly implements the functionality. It might not be exposed via ACPI.
However, there might be a kernel module that implements that functionality. You might need to look into the Linux kernel sources. Another clue might be found in: https://wiki.archlinux.org/title/ACPI_modules https://wiki.archlinux.org/title/ACPI_modules