[Bug 1722478] Re: Two-finger scrolling no longer works after resuming from suspend

[Charney Kaye]

I was not having any issue with two-finger scrolling on my T560 and
kernel 4.18.0-18-generic. I was trying to resolve a separate problem,
that the pointing stick pointing in the center of the keyboard wasn't
functioning, and would in fact cause the touchpad to stop functioning if
I attempted to use it. The pointing stick's function was restored by
adding psmouse.proto=imps to my bootloader options. However, now my
touchpad 1) refuses to send scroll events, and 2) refuses to stop
emulating mouse clicks (even after it's been disabled in tweaks). I've
attempted every fix on this thread, with no success. Some of them cause
the pointing stick to stop working again.

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Title:
  Two-finger scrolling no longer works after resuming from suspend

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[Bug 1722478] Re: Two-finger scrolling no longer works after resuming from suspend

[Charney Kaye]

Quick follower to my own #102, it turns out that my machine simply
needed to be started twice with the bootloader option psmouse.proto=imps
set. The first time shook something looks in Gnome which resulted in a
notification appearing about a minute after boot, "software update made
that require restart." After the restart, when I open my Mouse &
Touchpad control panel, the two-finger/edge-scrolling/tap-to-click
controls have appeared (they were hidden on the first boot!) and
function correctly.

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https://bugs.launchpad.net/bugs/1722478

Title:
  Two-finger scrolling no longer works after resuming from suspend

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https://bugs.launchpad.net/linux/+bug/1722478/+subscriptions

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