The "Rev 0100" part of the code refers to the revision number of the device. In this case, it indicates that the device is revision 1.00.
The device had been sitting in the box of forgotten cables for three years. A cheap webcam, the kind that came bundled with a discontinued printer. Its label was worn to a dull gray, but the hardware ID was still legible on the back: VID 0C45 PID 627B REV 0100 . usb vid 0c45 pid 627b rev 0100 patched
For rev 0100 , the driver sends register 0x01 with value 0x08 (power down) but never sends 0x00 (wake up) before streaming. The "Rev 0100" part of the code refers
sudo rmmod gspca_sn9c20x sudo insmod ./gspca_sn9c20x.ko A cheap webcam, the kind that came bundled
sudo dkms add . sudo dkms build sn9c20x-fixed/1.0 sudo dkms install sn9c20x-fixed/1.0
This article unpacks everything you need to know about this specific USB identifier, why it requires a "patch," and how to successfully implement it across different operating systems.
: This specific patch is primarily for systems running Windows 7, 8, and 8.1 , addressing recognition issues where the camera might not be detected.