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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1840075
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Bionic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Disco)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1840075
Title:
Goodix touchpad may drop first input event
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Incomplete
Status in linux source package in Disco:
Incomplete
Status in linux source package in Eoan:
Incomplete
Bug description:
[Impact]
If a touchpad is connected to Intel LPSS PCI device, sometimes the first tap
event can be dropped. Goodix touchpad has a rather small buffer so the time its
parent devices spend in resuming need to be small.
[Fix]
Remove Intel LPSS D3cold delay, which is the bottleneck of the situation.
[Test]
Intel had tested the patch and the result is positive.
[Regression Potential]
Low. Intel internally tested this so it should be rather safe.
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