Ubuntu
mtdev package

  1. Bug #1205361
  2. Comment #2

Comment 2 for bug 1205361

Revision history for this message
Leslie Zhai (xiangzhai83) wrote :

Lenovo-IdeaPad-Yoga use protocol B
https://www.kernel.org/doc/Documentation/input/multi-touch-protocol.txt

so when ABS_MT_SLOT new contact packets received, ABS_MT_POSITION_X/Y cache should be clear.