# Configure touchpads to use Chromium Multitouch (cmt) X input driver
Section "InputClass"
    Identifier      "touchpad butterfly"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    MatchProduct    "cyapa"
    Option          "Touchpad Stack Version" "1"
    Option          "Integrated Touchpad" "1"
    # Disable some causes of delay
    Option          "IIR b0" "1"
    Option          "IIR b1" "0"
    Option          "IIR b2" "0"
    Option          "IIR b3" "0"
    Option          "IIR a1" "0"
    Option          "IIR a2" "0"
    Option          "IIR Distance Threshold" "1000"
    Option          "Two Finger Vertical Close Distance Thresh" "35.0"
    Option          "Fling Buffer Suppress Zero Length Scrolls" "0"
EndSection

Section "InputClass"
    Identifier      "touchpad butterfly cyapa"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    MatchProduct    "cyapa"
    Option          "Integrated Touchpad" "1"
    Option          "Pressure Calibration Offset" "-7.20313156370106"
    Option          "Pressure Calibration Slope" "3.95266938056467"
    # Extra filters for Cyapa
    Option          "Box Width" "1.0"
    Option          "Box Height" "1.0"
    Option          "Sensor Jump Filter Enable" "1"
    Option          "Sensor Jump Min Dist Move" "0.9"
    Option          "Sensor Jump Similar Multiplier Move" "1.5"
    Option          "Sensor Jump Min Dist Non-Move" "0.3"
    Option          "Adjust IIR History On Warp" "1"
    Option          "Max Allowed Pressure Change Per Sec" "8000"
    Option          "Max Hysteresis Pressure Per Sec" "8000"
    Option          "Delay On Possible Liftoff" "1"
    Option          "Input Queue Max Delay" "0.019"
    Option          "Split Corrector Enabled" "1"
    Option          "Palm Pressure" "250"
EndSection