https://bugzilla.kernel.org/show_bug.cgi?id=214899 --- Comment #13 from Hans de Goede (jwrdegoede@xxxxxxxxxxxxxxxxx) --- > Still nothing but grave silence from the brightness keys though. Ok, I suspect that we need to enable reporting of events from them by some ACPI video call; and that we will then get events for them on the "Video Bus" input device. I need to do a deep dive into your acpidump to see if I can find anything there. Mondays are my "look into odd bugs which need more then a quick 5 minute bugzilla reply" day, so I hope to make some time to look into this next Monday. In the mean time I have one last 5 minutes idea :) Let me attach another patch with some video-bus debugging added. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.