<option type="enum" id="opt/foo2slx-InputSlot">
    <!-- A multilingual <comments> block can appear here, too;
       it should be treated as documentation for the user. -->
    <arg_longname> <en>Media Source</en> </arg_longname>
    <arg_shortname> <en>InputSlot</en> </arg_shortname>
    <arg_execution>
        <arg_group>General</arg_group>
	<arg_order>150</arg_order>
	<arg_spot>A</arg_spot>
	<arg_required />
	<arg_substitution />
	<arg_proto>-s%s </arg_proto>
    </arg_execution>
    <constraints>
	<constraint sense="true">
	<driver>foo2slx</driver>
	<arg_defval>ev/foo2slx-InputSlot-0</arg_defval>
	</constraint>
    </constraints>
    <enum_vals>
	<enum_val id="ev/foo2slx-InputSlot-0">
	    <ev_longname> <en>Auto Select</en> </ev_longname>
	    <ev_shortname> <en>Auto</en> </ev_shortname>
	    <ev_driverval>0</ev_driverval>
	</enum_val>
	<enum_val id="ev/foo2slx-InputSlot-1">
	    <ev_longname> <en>Cassette 1</en> </ev_longname>
	    <ev_shortname> <en>Cassette1</en> </ev_shortname>
	    <ev_driverval>1</ev_driverval>
	</enum_val>
    </enum_vals>
</option>
