Linux-2.6.33.2/drivers/staging/udlfb/Kconfig

config FB_UDL
	tristate "Displaylink USB Framebuffer support"
	depends on FB && USB
	---help---
	  This is an experimental driver for DisplayLink USB devices
	  that provides a framebuffer device.  A normal framebuffer can
	  be used with this driver, or xorg can be run on the device
	  using it.