Could you try these steps:

1, remove i2c_i801 from /etc/modprobe.d/blacklist.conf
2, update-initramfs -u -k all
3, Then boot with "psmouse.synaptics_intertouch=1" in cmdline.

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https://bugs.launchpad.net/bugs/1813957

Title:
  T480: closed lid and touchpad

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