carla@carla-MacBook:~/Scaricati$  sudo ift-extract -a AppleUSBVideoSupport 
[sudo] password for carla: 
** Message: Found firmware signature at offset 0x29C8.
** Message: Firmware extracted successfully in /lib/firmware/isight.fw
** Message: Firmware version 2.38.83 (0x02.0x26.0x53)
** Message: Apply patch 0 : Fix device descriptor
** Message: Apply patch 1 : Fix interface assocation descriptor
** Message: Apply patch 2 : Fix video interface collection
** Message: Apply patch 3 : Fix video streaming device qualifier
** Message: Apply patch 4 : Fix video control interface descriptor
** Message: Apply patch 5 : Fix video streaming interface descriptor
** Message: Firmware patched successfully
carla@carla-MacBook:~/Scaricati$