lenovo touchpad

I have a Lenovo IdeaPad L340 laptop with Synaptics touchpad that supports Microsoft Precision driver. I've been trying to install the VoodooI2C drivers for a while but no luck. Most of my tries were to install the EFI files of people with the same laptop as mine. They claim the laptop doesn't...

Laptop: Lenovo s340 14 inch I-5 8265u 8 gig DDR4 256 gig SSD (running exclusively macOS) Intel UHD 620 (this is also not working, 7mb of VRAM showing up in 'about this Mac'. Currently using RehabMan's UHD 630 plist as there's no UHD 620, any help about this problem would be much appreciated)...