There is a working build for the 7D in the 7D alpha2 topic.
The produced files (ISO 100/1600 and ISO 1600/100):
http://pel.hu/down/100_1600_7D.CR2
http://pel.hu/down/100_1600_7D.DNG
http://pel.hu/down/1600_100_7D.CR2
http://pel.hu/down/1600_100_7D.DNG
The produced files (ISO 100/1600 and ISO 1600/100):
http://pel.hu/down/100_1600_7D.CR2
http://pel.hu/down/100_1600_7D.DNG
http://pel.hu/down/1600_100_7D.CR2
http://pel.hu/down/1600_100_7D.DNG