Autofocus doesn't work on Canon

[350D]

Hello! Just installed a DDServerAP on my new router and can't figure it out how to autofocus works on Canon. I've tried to set AF on focus point change and back - no luck. On every click (on new area on iPad screen) lens make some quick focus on object and returns back very fast. Lens is fine (50/1.4) and it make focus if i shoot a photo but no focus in LV.

[hubaiz]

You can change the the are for focus by touching the live view screen. To perform the autofocus you must press the AF button.