The Chinese company Camera MX (deo-tech.com) modified an E-mount lens adapter for Leica M lenses and made it to support autofocus. They first fitted a Leica Summicron lens into a Contax G Biogon 28mm f/2.8 body and then they used a standard Contax G – NEX AF adapter. The company is planning to modify and sell 35mm and 50mm Summicron lenses in the future. Here is a demo video on how a Leica Summicron lens autofocuses on a Sony NEX mirrorless camera:
Via Sonyalpharumors