[Wayland-bugs] [Bug 96308] tochpad jumping cursor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96308

--- Comment #11 from Benjamin Tissoires <benjamin.tissoires at gmail.com> ---
Thanks for the logs. From the look of it, the first hid-recorder seems OK
(though confidence is not set how I wanted it to be). On the second one, it
really goes crazy:

  0.000000 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1175 | Y:    185 | Scan Time:  49461 | Contact Count:    1 | B1: 0 | # 
  0.009717 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1178 | Y:      0 | Scan Time:  49560 | Contact Count:    1 | B1: 0 | # 
  0.019703 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1223 | Y:    232 | Scan Time:  49655 | Contact Count:    1 | B1: 0 | # 
  0.028705 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1186 | Y:    145 | Scan Time:  49754 | Contact Count:    1 | B1: 0 | # 
  0.038611 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1178 | Y:    109 | Scan Time:  49844 | Contact Count:    1 | B1: 0 | # 
  0.048116 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1176 | Y:    215 | Scan Time:  49941 | Contact Count:    1 | B1: 0 | # 
  0.057634 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1223 | Y:      0 | Scan Time:  50036 | Contact Count:    1 | B1: 0 | # 
  0.066883 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1177 | Y:      0 | Scan Time:  50130 | Contact Count:    1 | B1: 0 | # 
  0.076872 ReportID: 3 / Confidence: 0 | Tip Switch: 1 | Contact Id:  1 | # |
X:   1223 | Y:    268 | Scan Time:  50222 | Contact Count:    1 | B1: 0 | # 

Y gets reset to 0 quite a lot of times, while the Scan Time increments
properly. I'd say you also have the same HW issue than the one in the link you
shared (http://www.zachpoff.com/diy-resources/acer-laptop-touchpad-fix/) but
I'll reach out to Synaptics to check with them if there is a software solution
for this.

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