File n950-input-rules.conf of Package nokia-n950-configs

Section "ServerFlags"
        Option		"AllowEmptyInput" "False"
EndSection

# Ignore all by default
Section "InputClass"
    Identifier     "Ignore all by default"
    Option         "Ignore" "on"
EndSection

Section "InputClass"
        Identifier      "Touchscreen"
        MatchProduct    "Touchscreen"
        Driver          "mtev"
    	Option		"Ignore" "off"
EndSection

Section "InputClass"
        Identifier	"Keyboard"
        MatchProduct	"TWL4030 Keypad"
        Option		"XkbModel" "nokiarm680"
        Option		"XkbLayout" "us"
        Option          "XkbVariant" ",qwerty"
        Option		"XkbOptions" "grp:ctrl_shift_toggle"
        Driver		"evdev"
    	Option		"Ignore" "off"
EndSection

# Configure gpio keys and pwrbutton in MeeGo (Camera etc)
Section "InputClass"
        Identifier      "HW keys"
        MatchProduct    "gpio-keys|twl4030_pwrbutton"
        Driver          "evdev"
    	Option		"Ignore" "off"
EndSection

# Configure ECI wired handsfree input device.
Section "InputClass"
	Identifier	"ECI Accessory"
	MatchProduct	"ECI Accessory"
	Driver		"evdev"
	Option		"Ignore" "off"
EndSection