https://bugzilla.kernel.org/show_bug.cgi?id=214899 --- Comment #16 from Johannes P (johannes.penssel@xxxxxxxxx) --- (In reply to Andy Shevchenko from comment #12) > (In reply to Johannes P from comment #11) > > Still nothing but grave silence from the brightness keys though. > > Which might be a sign that the key presses are handled by some > microcontroller (EC?) with a custom firmware and being delivered to the OS > in different way. It's also possible that the WMI can be used but these > events have to be enabled somehow (obviously with ACPI methods or so). This is something that came to my mind as well. The keyboard backlight on this machine works in a similar way: It seems to be entirely handled by the EC, because it is in no way exposed to the OS, but can be toggled at any time, even during boot/shutdown/restart. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
