[Bug 203525] New: brightness with function buttons Acer Aspire A315-41 notebook with AMD Ryzen 5 2500U

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=203525

            Bug ID: 203525
           Summary: brightness with function buttons Acer Aspire A315-41
                    notebook with AMD Ryzen 5 2500U
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.19.37 5.0.11 5.1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: erikjohansson at flashbox.5july.org
        Regression: No

I got an Acer Aspire A315-41 notebook with AMD Ryzen 5 2500U and i have had
problems with brightness not working out of the box (OTB) if i used function
buttons.
The thing is that i found that it started to work with linux-4.19.37 (fixed)
but it didn't work with linux-4.19.35 (broken).

It works from 4.19.37 but it doesn't work in later kernel series such as
linux-5.0.11 or linux-5.1 and i think the fix should also be in newer kernels.
I started to bisect but linux-4.19.36 doesn't boot with my hardware and after
many bisect skip and compiling i gave up.
Do anyone know what commit that could have fixed it?
Or why 4.19.36 won't boot on my hardware (if there was some known regression)
so i can perform an bisect.

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