@SilverCode
Hello.
Thanks for you feedback.
This issue is not related to the driver as this is happening in generic driver too. I had the same issue with ABS_GAS. The potentiometer is drifting.
I was able to solve it with a hardware fix using ElecGear Joystick Drift Fix repair-kit:
https://www.amazon.de/ElecGear-Reparaturkit-Controller-Leiterplatte-Thumbsticks