This bug was fixed in the package linux-oem-osp1 - 5.0.0-1015.16
---------------
linux-oem-osp1 (5.0.0-1015.16) bionic; urgency=medium
* linux-oem-osp1: 5.0.0-1015.16 -proposed tracker (LP: #1836856)
* System does not auto detect disconnection of external monitor (LP: #1835001)
- drm/i915: Add support for retrying hotplug
- drm/i915: Enable hotplug retry
* alsa/hdmi: add icelake hdmi audio support for a Dell machine (LP: #1836916)
- ALSA: hda: hdmi - add Icelake support
- ALSA: hda/hdmi - Remove duplicated define
- ALSA: hda/hdmi - Fix i915 reverse port/pin mapping
* input/mouse: alps trackpoint-only device doesn't work (LP: #1836752)
- Input: alps - don't handle ALPS cs19 trackpoint-only device
* First click on Goodix touchpad doesn't be recognized after runtime suspended
(LP: #1836836)
- SAUCE: i2c: designware: add G3 3590 into i2c quirk
-- Timo Aaltonen <[email protected]> Thu, 18 Jul 2019
11:29:53 +0300
** Changed in: linux-oem-osp1 (Ubuntu Disco)
Status: Invalid => Fix Released
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https://bugs.launchpad.net/bugs/1833484
Title:
Sometimes touchpad automatically trigger double click
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
New
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Fix Released
Status in linux-oem-osp1 source package in Disco:
Fix Released
Bug description:
[Impact]
Dell machines which uses goodix touchpad IC emit double click event
while touching the touchpad if designware i2c adapter is in runtime
suspend.
Goodix re-assert the interrupt if host doesn't read the data within
100ms and designware takes a longer time to wake up from runtime
suspend. In the case, it got a second interrupt during resuming, so
it thinks it's a double click.
[Fix]
There is no simple way to fix this, it's a firmware issue and goodix
agrees to fix this in their firmware on next release, but this issue is
still affects the machines that don't come with an updated firmware. So,
add a quirk to mark those machines and avoid the designware from entering
runtime suspend.
[Regression Potential]
Low, it only affects the listed machines, and prevent designware from
entering runtime suspend impacts the power consumption little or none
during short or long idle.
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