60-touchpad-cmt-veyron_mighty: initial config
Done pressure calibration. Tuned parameters for:
1. TTC minimum pressure.
2. Stationary finger wiggling.
3. Scrolling with resting finger.
4. Accidental scroll/move on finger lift.
5. Janky cursor due to large pressure change
BUG=chrome-os-partner:38149
TEST=on device
Change-Id: I757b1145dd7ff30d3bccd7f8001234b9ec9dfd93
Reviewed-on: https://chromium-review.googlesource.com/261135
Reviewed-by: Chung-yih Wang <cywang@chromium.org>
Commit-Queue: Tai-Hsu Lin <sheckylin@chromium.org>
Trybot-Ready: Tai-Hsu Lin <sheckylin@chromium.org>
Tested-by: Tai-Hsu Lin <sheckylin@chromium.org>
diff --git a/60-touchpad-cmt-veyron_mighty.conf b/60-touchpad-cmt-veyron_mighty.conf
new file mode 100644
index 0000000..32f522b
--- /dev/null
+++ b/60-touchpad-cmt-veyron_mighty.conf
@@ -0,0 +1,40 @@
+Section "InputClass"
+ Identifier "touchpad veyron_mighty elan"
+ MatchIsTouchpad "on"
+ MatchDevicePath "/dev/input/event*"
+ MatchProduct "Elan"
+ Option "Integrated Touchpad" "1"
+ Option "Touchpad Stack Version" "2"
+ # Pressure calibration results:
+ # Probe Diameter Measured Expected Calibrated
+ # 0 3.90 38.87 11.95 -6.84
+ # 1 5.70 49.32 25.52 32.81
+ # 2 7.70 52.27 46.57 44.01
+ # 3 9.90 61.65 76.98 79.57
+ # 4 11.70 72.03 107.51 118.97
+ # 5 13.90 106.45 151.75 249.55
+ # 6 17.80 137.09 248.85 365.79
+ Option "Pressure Calibration Offset" "-154.311519575"
+ Option "Pressure Calibration Slope" "3.79387204888"
+
+ # Make tap-to-click easier
+ Option "Tap Minimum Pressure" "15.0"
+
+ # Enable Stationary Wiggle Filter
+ Option "Stationary Wiggle Filter Enabled" "1"
+ Option "Finger Moving Energy" "0.002"
+ Option "Finger Moving Hysteresis" "0.001"
+
+ # This prevents issues with fling not happening while scrolling
+ # with a resting finger
+ Option "Fling Buffer Suppress Zero Length Scrolls" "1"
+
+ # Avoid accidental scroll/move on finger lift
+ Option "Min Scroll Dead Reckoning Distance" "0.1"
+ Option "Max Stationary Move Speed" "47"
+ Option "Max Stationary Move Speed Hysteresis" "2"
+ Option "Max Stationary Move Suppress Distance" "2"
+
+ # Avoid janky cursor moves due to large pressure changes
+ Option "Max Allowed Pressure Change Per Sec" "4000"
+EndSection
