built-in isight camera on early 2008 macbook air 1,1
The camera, Bluetooth module, keyboard and trackpad all connect internally via USB. No LVDS cable is required or used by the camera. The internal microphone is connected directly to the audio controller.

Take a look at About This Mac from the Apple menu, go to More Info > System Report, and look at the devices listed in the USB category to see the various device connections.