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As many (most?) > kernel developers don't keep an eye on it, I decided to forward it by mail. > > Chuanhong Guo, apparently it's cause by a change of yours. > > Note, you have to use bugzilla to reach the reporter, as I sadly[1] can > not CCed them in mails like this. > > Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217394 : > >> Matthew 2023-05-03 02:28:33 UTC >> >> Reverting the changes found in this patch fixes the issue: >>> https://lore.kernel.org/all/20220712020058.90374-1-gch981213@gmail.com/ >> With that patch the AT Translated Set 2 Keyboard doesn't show up with the evtest and is not usable. >> >> Hardware: >> >> Aya Neo Air Plus >> AMD Ryzen 7 6800U > See the ticket for more details. > > BTW: there apparently is another IRQ override needed for a different > machine. See https://bugzilla.kernel.org/show_bug.cgi?id=216804#c8 for > details (ignore the comments before that, the quirk entry for that > machine was merged; comment 8 and all related to it really should have a > separate bug; that's also why this partly fall through the cracks here > :-/ ). The user is currently trying to create a patch. > Something I'm wondering about is if it's possible for i8042 to detect the polarity is incorrect when it probes and to try to correct it. If we could do that we can probably drop 9946e39fe8d0 ("ACPI: resource: skip IRQ override on AMD Zen platforms") to fix this issue along with all the other quirks that have collected over time on i8042 polarity issues.