Fix released in 3.19.0-47.53
** Changed in: linux (Ubuntu Vivid)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1518855
Title:
Backport better suspend/resume function for pinctrl-cherryview
Status in HWE Next:
Won't Fix
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Vivid:
Fix Released
Bug description:
[Impact]
On some platforms the touchpad relies on pinctrl devices to provide GPIO
interrupt, but in 3.19.0 pinctrl-cherryview doesn't support suspend well and
will lose the config after suspend/resume, then touchpad can't be used.
[Fix]
There's a commit in 4.0-rc1 to add suspend/resume for pinctrl-cherryview:
commit 9eb457b547cc731bc2fc251bd79891a60c64fc3e
Refs: [HEAD]
Author: Mika Westerberg <[email protected]>
Date: Thu Dec 4 12:32:50 2014 +0200
pinctrl: cherryview: Save and restore pin configs over system sle
which can be clean cherry-picked
[Test]
3.19.0-33 -> failed
4.2-> passed
4.0, 4.1 -> Can't suspend due to graphic driver failed so can't use to test
3.19.0-33 + patched module -> passed
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