Hey, i finished installing Big Sur to my elitebook and everything else seems to work except battery indicator/percentage and brighness controll.
I used prebuilt EFI because i couldnt get my own working, so this prebuilt efi folder does not contain dsdt and even tho i tried to add my own dsdt to it by dumping one with linux usb and ofc making the change to plist it just wouldnt boot then.
So my guestion is that can i get ssdt to make my battery and brightness work or how do i create dsdt that works with this laptop so it would fix these issues.
Some screenshots in spoilers.
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