** Description changed:

  [Impact]
  
  As title, after upgrading to latest Vivid kernel the touchscreen failed.
  After bisecting shows this revert cause the regression:
  
  commit 95df597989f6f297db63dd8669656d10f5f48eb1
  Author: Andy Shevchenko <[email protected]>
  Date: Fri Dec 4 23:49:18 2015 +0200
  
-     Revert "ACPI / LPSS: allow to use specific PM domain during
+     Revert "ACPI / LPSS: allow to use specific PM domain during
  ->probe()"
  
  [Fix]
  
  The reverted patch has had a revised version upstreamed:
  
  commit de16d55206c5ce82ad44590b01718fbe2323853c
  Author: Andy Shevchenko <[email protected]>
  Date:   Fri Dec 4 23:49:19 2015 +0200
  
-     ACPI / LPSS: allow to use specific PM domain during ->probe()
+     ACPI / LPSS: allow to use specific PM domain during ->probe()
  
  For Vivid it's a simple clean pick (plus a one line change for header
- file), but in Xenial the touchscreen still works because the original
- patch is not reverted. I'll firstly revert the patch than apply the new
- fix.
+ file).
+ 
+ For Xenial the touchscreen still works because the original patch is not
+ reverted, and with the patch reverted the I2C touchscreen still works
+ fine, so I'll skip Xenial for this patch.
  
  [Test]
  
  3.19.0-56 -> Failed
  3.19.0-56 + patches -> OK (Including suspend)
  4.4.0-15 -> OK
- 4.4.0-15 + revert patch -> To Be Tested
- 4.4.0-15 + patches -> To Be Tested
+ 4.4.0-15 + revert patch -> OK
+ 4.4.0-15 + patches -> N/A

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https://bugs.launchpad.net/bugs/1562778

Title:
  I2C touchscreen init failed on HP X360

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