Add touchpad configuration for atlas

BUG=b:127929527
TEST=Tested manually and against feedback reports

Change-Id: I71e9a95e3d501b1d0b005f491fad1554cfd5712c
Reviewed-on: https://chromium-review.googlesource.com/1653990
Commit-Ready: Sean O'Brien <seobrien@chromium.org>
Tested-by: Sean O'Brien <seobrien@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
diff --git a/50-touchpad-cmt-atlas.conf b/50-touchpad-cmt-atlas.conf
new file mode 100644
index 0000000..ec0e648
--- /dev/null
+++ b/50-touchpad-cmt-atlas.conf
@@ -0,0 +1,19 @@
+# Configure touchpads to use Chromium Multitouch (cmt) X input driver
+Section "InputClass"
+    Identifier      "touchpad atlas"
+    MatchIsTouchpad "on"
+    MatchDevicePath "/dev/input/event*"
+    MatchProduct    "ACPI0C50:01 04F3:30C5 Touchpad"
+
+    Option          "Touchpad Stack Version" "2"
+
+    Option          "Pressure Calibration Offset" "0.0"
+    Option          "Pressure Calibration Slope"  "1.0"
+
+    Option          "Palm Filter Top Edge Enable" "1"
+    Option          "Tap Exclusion Border Width" "3.0"
+    Option          "Palm Edge Zone Width" "6.0"
+
+    Option          "Tap Minimum Pressure" "25.0"
+    Option          "Palm Pressure" "100.0"
+EndSection