commit fd8fdfa73c965519e412925107d8dc309c8a0def
author Sean O'Brien <seobrien@google.com> Tue Dec 04 10:15:11 2018 -0800
committer chrome-bot <chrome-bot@chromium.org> Tue Dec 04 17:40:18 2018 -0800
tree 4b2ad6e62bebb2883f60c59ee2ee39faf975555d
parent 26fb9d57e195c7e467616b35b17e2b5d279c1514

Tune touchpad configuration for Magic Trackpad 2

Click and drag was difficult because the clicking finger was being
classified as a palm.  Tune palm detection thresholds.

BUG=chromium:877291
TEST=manually tested on eve device over BT and USB

Change-Id: I7444b6c6f3c14dc24229089757560e6816044c8e
Reviewed-on: https://chromium-review.googlesource.com/1361880
Commit-Ready: Sean O'Brien <seobrien@chromium.org>
Tested-by: Sean O'Brien <seobrien@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>

40-touchpad-cmt.conf

diff --git a/40-touchpad-cmt.conf b/40-touchpad-cmt.conf
index f40e5e1..01fd9fd 100644
--- a/40-touchpad-cmt.conf
+++ b/40-touchpad-cmt.conf
@@ -70,7 +70,9 @@
     MatchDevicePath "/dev/input/event*"
 
     Option          "Pressure Calibration Offset" "30"
-    Option          "Palm Pressure" "80.0"
+    Option          "Palm Pressure" "250.0"
+    Option          "Palm Width" "20.0"
+    Option          "Multiple Palm Width" "20.0"
 
     # Enable Stationary Wiggle Filter
     Option          "Stationary Wiggle Filter Enabled" "1"