Just as a comment, at least in my case this was fixed by the "uvcdynctrl" package which installs suitable udev rules to initialize the missing controls from userspace.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1626731 Title: uvcvideo 1-1.4:1.0: Entity type for entity Extension 4 was not initialized! To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1626731/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs