DisplayLink driver

[Alejandro Bonilla]

Hi,

I have a Lenovo ThinkVision LT1421 which I guess uses the DisplayLink
chipset 1.x, I'm also using kernel 3.11.6. The device is recognized
[  997.279496] usb 2-1.5: new high-speed USB device number 4 using ehci-pci
[  997.344494] usb 2-1.5: device descriptor read/64, error 64
[  997.534746] usb 2-1.5: New USB device found, idVendor=17e9, idProduct=03e0
[  997.534753] usb 2-1.5: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[  997.534756] usb 2-1.5: Product: Lenovo LT1421 wide
[  997.534759] usb 2-1.5: Manufacturer: DisplayLink
[  997.534761] usb 2-1.5: SerialNumber: 6V9BZHC1
[  997.543996] [drm] vendor descriptor length:17 data:17 5f 01 00 15
05 00 01 03 00 04
[  997.640811] udl 2-1.5:1.0: fb1: udldrmfb frame buffer device
[  997.640816] udl 2-1.5:1.0: registered panic notifier
[  997.640822] [drm] Initialized udl 0.0.1 20120220 on minor 1
[  997.640886] usbcore: registered new interface driver udl

But xrandr is not recognizing the device/screen.

So the question is, which driver supports it, the UDL or UDLFB driver?

(please cc me, I'm not subscribed)

Thanks
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