See bug 104889 and attachment 137501 [details]. Let's not do this on semi-mt devices, they're terrible enough as is...
Created attachment 137632 [details] [review] 0001-touchpad-don-t-do-speed-based-thumb-detection-on-sin.patch
commit 39b806089c955c13abfe847a7e3d29b6aee1ba2d Author: Peter Hutterer <peter.hutterer@who-t.net> Date: Tue Feb 27 16:18:20 2018 +1000 touchpad: don't do speed-based thumb detection on single-touch or semi-mts
*** Bug 104889 has been marked as a duplicate of this bug. ***
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