** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Medium
Assignee: Phidias (phidias-chiang)
Status: Triaged
** Also affects: linux (Ubuntu Wily)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Wily)
Status: New => In Progress
** Changed in: linux (Ubuntu Wily)
Assignee: (unassigned) => Phidias (phidias-chiang)
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Released
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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:
Fix Released
Status in linux source package in Vivid:
New
Status in linux source package in Wily:
In Progress
Status in linux source package in Xenial:
Fix Released
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 depends on a patch to device core for adding
BUS_NOTIFY_DRIVER_NOT_BOUND notification, both are clean cherry-pick.
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 -> OK
4.4.0-15 + patches -> N/A
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