ift-load doesn't detect 05ac:8502 Apple, Inc. Built-in iSight

[kyleTGN]

Mac OS Version: Leopard
iMac version: 24 inch with C2Duo 2.93GHz with nVidia
Linux Dist: Gentoo amd64 (EM64T Core 2 Duo)

grumihost firmware # lsusb
Bus 001 Device 003: ID 05ac:8502 Apple, Inc. Built-in iSight

grumihost firmware # pwd
/lib/firmware

grumihost firmware # ls -la
total 108
drwxr-xr-x 2 root root 4096 Jan 28 14:49 .
drwxr-xr-x 12 root root 4096 Jan 28 14:42 ..
-rw-r--r-- 1 root root 86744 Jan 31 08:09 AppleUSBVideoSupport #Copied from System/Library/.../AppleUSBVideoSupport
-rw-r--r-- 1 root root 10871 Jan 31 08:10 isight.fw

grumihost firmware # cat /etc/udev/rules.d/70-isight.rules
ACTION=="add", ATTRS{idVendor}=="05ac", ATTRS{idProduct}=="8502", RUN+="/usr/lib64/udev/ift-load --firmware /lib64/firmware/isight.fw"

grumihost firmware # /usr/lib/udev/ift-load --firmware /lib/firmware/isight.fw
ift-load: USB device 0x05AC:0x8300 not found
ift-load: No iSight found

Anybody can help me?

[kyleTGN (kyletgn)]

The mistake was in the kernel options, I didn't activate V4l and uvcvideo under make menuconfig.

After enabling both options and booting from the resulting image it worked perfectly.