/usr/share/X11/xorg.conf.d/42-dell-quirks.conf

42-dell-quirks.conf

Section "InputClass"
	Identifier "DELL08AF:00 06CB:76AF Touchpad"
	MatchProduct "DELL08AF:00 06CB:76AF Touchpad"
	MatchIsTouchpad "on"
	MatchOS "Linux"
	MatchDevicePath "/dev/input/event*"
        Driver "mtrack"
	#Option "Ignore" "on"

        Option "IgnorePalm" "true"
        Option "TapButton1" "1"
        Option "TapButton2" "3"
        Option "TapButton3" "0"
        Option "TapButton4" "0"

        # Setup button zones on the bottom of the touchpad
        Option "ButtonIntegrated" "true"
        Option "ButtonEnable" "true"
        Option "ButtonZonesEnable" "true"
        Option "FirstButtonZone" "1"
        Option "SecondButtonZone" "3"
        Option "LimitButtonZonesToBottomEdge" "true"

        Option "ClickFinger1" "1"
        Option "ClickFinger2" "3"
        Option "ClickFinger3" "0"

        # Enables tap then drag to select text (like click and drag but with tap)
        # xinput set-prop 10 "Trackpad Drag Settings" 1 500 60 500 500
        Option "TapDragEnable" "true"
        Option "TapDragTime" "250"
        Option "TapDragWait" "60"
        Option "TapDragDist" "500"

        # Movement and sensitivity
        Option "AccelerationProfile" "1"
        #Option "VelocityScale" "5"
        #Option "AdaptiveDeceleration" "2"
        Option "Sensitivity" "1.3"

        # Scrolling setup
        Option "ScrollDistance" "25" # 150 default
        Option "ScrollClickTime" "20" # 20 default
        Option "ScrollSensitivity" "15" # 1000 default
        Option "ScrollCoastDuration" "20" # 200 default
EndSection

I'm afraid the file is incomplete

I'm afraid the file is incomplete

Some other settings it looks like I was tinkering with

xinput set-prop 10 "Trackpad Touch Pressure" 5 100
xinput set-prop 10 "Trackpad Palm Size" 8
xinput set-prop 10 "Trackpad Sensitivity" 1.6
xinput set-prop 10 "Trackpad Scroll Coasting" 1 7500
xinput set-prop 10 "Device Accel Velocity Scaling" 20