Public bug reported:

[Impact]
[ELAN900C:00 04F3:2844] doesn't work

[Fix]
It works under kernel v4.19, so after bisect the kernel and got the first bad 
commit
   e50d95e2ad12 pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant

[Test]
Verified on the DELL machine, the touchscreen works well.

[Regression Potential]

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: AceLan Kao (acelankao)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1811335

Title:
  ELAN900C:00 04F3:2844 touchscreen doesn't work

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