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/etc/X11/xorg.conf.d/50-synaptics.conf
Section "InputClass"
Identifier "touchpad"
Driver "synaptics"
MatchIsTouchpad "on"
# Enables Palm Detection to prevent bad clicks
# This seems to work on PS/2, but not on i2c
Option "PalmDetect" "1"
Option "PalmMinWidth" "8"
Option "PalmMinZ" "100"
# Enable clickpad support
Option "ClickPad" "true"
# Sets up soft buttons at the bottom
# First 40% - Left Button
# Middle 20% - Middle Button
# Right 40% - Right Button
Option "SoftButtonAreas" "60% 0 82% 0 40% 59% 82% 0"
# Disables Tap to click
Option "MaxTapTime" "0"
# Enable two finger scrolling
Option "VertTwoFingerScroll" "on"
Option "HorizTwoFingerScroll" "on"
EndSection

anaran commented May 15, 2015

hi @soleblaze, I wondered if you had any progress to report.
Looking at this gist it suggests PalmDetect would be working, but I don't think it is.
MaxTapTime 0 is just disabling that single taps all together, I think, which might make PalmDetect appear to work.
SoftButtonAreas is probably also ineffective in this configuration.
Would be great if you could give issue advancingu/XPS13Linux#14 a try and write a comment.

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