I think that would work on the XE-1. You would need to engage the stop down preview and manually stop down the lens.

I was going to test it with my XE-1 but some idiot left it switched on so I have a flat battery!

EDIT: According to the manual available here: http://www.butkus.org/chinon/minolta...nolta_ex-1.htm it will do stop down metering.