Public bug reported:
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: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1965605
Title:
HUAWEI matebook x pro 2022 led screen backlight do not work with
ubuntu 20.x also 21.10
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