sudo ift-extract -a /lib/firmware/AppleUSBVideoSupport
** (ift-extract:3235): WARNING **: Unknown driver. Please report it to https://bugs.launchpad.net/isight-firmware-tools/+filebug with machine description and Mac OS X version.
** ERROR **: Unable to find firmware in the file. aborting... Aborted
sudo ift-extract -a /lib/firmware/ AppleUSBVideoSu pport
** (ift-extract:3235): WARNING **: Unknown driver. Please report it to https:/ /bugs.launchpad .net/isight- firmware- tools/+ filebug with machine description and Mac OS X version.
** ERROR **: Unable to find firmware in the file.
aborting...
Aborted