** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1562778
Title:
I2C touchscreen init failed on HP X360
Status in HWE Next:
New
Status in linux package in Ubuntu:
Triaged
Bug description:
[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 <andriy.shevche...@linux.intel.com>
Date: Fri Dec 4 23:49:18 2015 +0200
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 <andriy.shevche...@linux.intel.com>
Date: Fri Dec 4 23:49:19 2015 +0200
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.
[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
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