When I test my webcam on Edison, I can't find the /dev/video0. (VID=1C4F,PID=3000).
Accroding to the instruction, I type command 'lsusb',but errors take:
unable to initialize libusb:-99
It is good to know that you found the answer about your issue.
Regarding the other issue, we noticed that you opened another thread about it: https://communities.intel.com/thread/107234 https://communities.intel.com/thread/107234.
So please mark this thread as correct answer. And we're going to reply to you soon in the other thread.