[Wayland-bugs] [Bug 102206] Swipe and pinch gestures non-functional on Lenovo P51 and P71

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102206

Peter Hutterer <peter.hutterer at who-t.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |peter.hutterer at who-t.net

--- Comment #3 from Peter Hutterer <peter.hutterer at who-t.net> ---
Just looking at the evemu output here:
Output from one of my scripts that tracks per-touch finger motion. +++ and ---
are touch down/up, respectively:

Tracking 2 slots
 0.000001:    +++    | ********* | 
 0.038187:    ---    |    +++    | 
 0.057268: ********* |    0/   0 | 
 0.088401: ********* |   -8/  88 | 
 0.113404: ********* |   -8/ 180 | 
 0.138510: ********* |   -8/ 240 | 
 0.163764: ********* |   12/ 280 | 
 0.188029: ********* |   24/ 296 | 
 0.213214: ********* |   40/ 284 | 
 0.238190: ********* |   36/ 244 | 
 0.263331: ********* |   32/ 200 | 
 0.299347: ********* |    ---    | 
 0.475410:    +++    | ********* | 
 0.550759:   -4/  24 | ********* | 
 0.575862:   -4/ 112 | ********* | 
 0.600944:   20/ 196 | ********* | 
 0.625292:   32/ 236 | ********* | 
 0.650537:   28/ 244 | ********* | 
 0.675749:   20/ 268 | ********* | 
 0.700946:    8/ 272 | ********* | 
 0.725145:    8/ 244 | ********* | 
 0.750281:    4/ 220 | ********* | 
 0.775438:    8/ 192 | ********* | 
 0.800456:    4/ 160 | ********* | 
 0.823522:    ---    | ********* | 



> in this order. I am not entirely sure why there are 6 logs :-/

last one is an empty recording, that's normal when using --autorestart.

The log ending with :23 (pinching) has some useful data, but it runs into the
issue that we bias heavily towards 2fg scrolling on touchpads that only support
2 fingers (of which this is one). Try a 4.12 kernel and see if this touchpad is
supported through rmi4 - then we'd get 5 slots and can do better gesture
detection.

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