I have the non-NFC model. I'm running Ubuntu 18.10 with the latest
stable kernel (4.19.6) and latest libinput (1.12.1). I have set the
kernel boot parameter psmouse.synaptics_intertouch=0.

I have BIOS 1.34 and the very latest touchpad firmware (released 4th
Dec) (I booted into Windows to install the FW update).

During my initial testing the touchpad has survived multiple suspends
which was most definitely not the case before. For my setup the crucial
thing was the touchpad FW update along with the boot parameter.

I will report here if I encounter further problems.

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https://bugs.launchpad.net/bugs/1791427

Title:
  Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1
  Carbon 6th

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