File 11-x11-synaptics.fdi of Package xorg-x11-driver-input
<?xml version="1.0" encoding="ISO-8859-1"?>
<deviceinfo version="0.2">
<device>
<match key="info.capabilities" contains="input.touchpad">
<merge key="input.x11_driver" type="string">synaptics</merge>
<!-- Arbitrary options can be passed to the driver using
the input.x11_options property since xorg-server-1.5. -->
<!-- EXAMPLE:
<merge key="input.x11_options.LeftEdge" type="string">120</merge>
-->
<merge key="input.x11_options.SHMConfig" type="string">on</merge>
<merge key="input.x11_options.HorizScrollDelta" type="string">0</merge>
<match key="info.product" contains="Synaptics TouchPad">
</match>
<match key="info.product" contains="AlpsPS/2 ALPS">
</match>
<match key="info.product" contains="appletouch">
</match>
<match key="info.product" contains="bcm5974">
</match>
<match key="info.product" contains="ETPS/2 Elantech Touchpad">
</match>
</match>
</device>
</deviceinfo>