Unable to load isight firmware

[whwi]

Binary package hint: isight-firmware-tools

hello i have this problem

dmesg:

[ 17.214981] Unable to load isight firmware
[ 17.214981] usbcore: registered new interface driver isight_firmware
[ 18.451883] lp: driver loaded but no devices found

lsusb
Bus 005 Device 004: ID 05ac:8300 Apple, Inc. Built-in iSight (no firmware loaded)
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 05ac:8205 Apple, Inc. Bluetooth HCI MacBookPro
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 05ac:8240 Apple, Inc. IR Receiver [build-in]
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 05ac:021b Apple, Inc. Internal Keyboard/Trackpad
Bus 001 Device 004: ID 046d:c00c Logitech, Inc. Optical Wheel Mouse
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

ii isight-firmware-tools 1.2-1 Built-in Apple iSight Firmware Tools

Description: Ubuntu intrepid (development branch)
Release: 8.10