1. 30 Oct, 2017 2 commits
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  13. 10 Jul, 2017 1 commit
  14. 09 Jul, 2017 2 commits
  15. 03 Jul, 2017 2 commits
    • Peter Hutterer's avatar
      touchpad: add pressure-base palm detection · 25d54b90
      Peter Hutterer authored
      If a touch goes past the fixed pressure threshold it is labelled as a palm and
      stays a palm. Default value is one that works well here on a T440 and is
      virtually impossible to trigger by a normal finger or thumb. A udev property
      is exposed so we can handle this in the udev hwdb and the new tool introduce a
      few commits ago can help finding the palm detection threshold.
      
      Unlike the other palm detection features, once a palm goes past the threshold
      it remains a palm until the touch is released. This means palm overrides any
      other palm detection features. For code simplicity, we don't combine the
      states but merely check for pressure before and after the other palm detection
      functions. If the pressure triggers, it will trigger before anything else. And
      if something else is already active (e.g. edge where the pressure doesn't work
      well) it will trigger as soon as the palm is released.
      
      The palm threshold should thus be chosen with some room to spare between the
      highest finger pressure.
      
      https://bugs.freedesktop.org/show_bug.cgi?id=94236Signed-off-by: Peter Hutterer's avatarPeter Hutterer <peter.hutterer@who-t.net>
      25d54b90
    • Peter Hutterer's avatar
      touchpad: increase palm edge zones to 8% · 381cce8d
      Peter Hutterer authored
      Most modern touchpads are around 100mm wide, so this provides a ca 8mm edge
      zone on each side. The extra 3mm should provide for more reliable palm
      detection, a few touches happen to be just on the edge of the 5mm mark.
      
      https://bugs.freedesktop.org/show_bug.cgi?id=101433Signed-off-by: Peter Hutterer's avatarPeter Hutterer <peter.hutterer@who-t.net>
      381cce8d
  16. 21 Jun, 2017 2 commits
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  24. 21 Apr, 2017 5 commits