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Dell 7480: ALPS Trackpad not working in Big Sur


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Hello,

 

Dell 7480 i7

ALPS Trackpad : (VoodooPS2Controller  & VoodooI2C)

- Working on Catalina with Clover

- Not Working on Big Sur OC 0.6.3

 

Tested many solution some times get : appleintellpssi2ccontroller ftimerservicematching timed out

 

I Have to disable VoodooI2C//VoodooInput, conflict with VoodooPS2Controller//VoodooInput

 

PLZ Help

Thanks.

Capture d’écran 2020-11-15 à 9.12.34 PM.png

Capture d’écran 2020-11-15 à 9.11.58 PM.png

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Thank you @Jake Lo and @Chicken07   Now trackpad is working with your help.   Changed my config based on your EFI and all is OK. 😀   Tap to Click : OK Two finger Scro

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