You have been subscribed to a public bug: linux-modules-5.13.0-37-generic also recent kernel such as 5.16.x
LCD backlight control key do not work,dmesg report a lot of ACPI error, I have no idea if these errors related with this problem. Here is the dmesg logs : ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- HUAWEI matebook x pro 2022 led screen backlight do not work with ubuntu 20.x also 21.10 https://bugs.launchpad.net/bugs/1965605 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp