Touchpad troubles + brightness keys not working

I installed Catalina using the awesome OpenCore guide, but I’ve been running into a few problems.

  1. Touchpad has been acting weird. There is no tap to touch. Single-clicking anything makes Mac double-click it. Double-clicking anything makes Mac preview it. Also, I can’t change scrolling direction.

  2. No brightness control. I have SSDT-PNLF.

Recorded a video as example. https://streamable.com/2cf1ei

(I fixed the volume control problem by following the instructions here: https://dortania.github.io/OpenCore-Post-Install/universal/audio.html)

submitted by /u/No-Set7742
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