Comment 62 for bug 791833

Description of problem:
Dell ST2220T does not work. The device is seen, but no events are registered

Version-Release number of selected component (if applicable):
kernel 2.6.38.5-24.fc15.x86_64 x86_64 GNU/Linux

How reproducible:
always

Steps to Reproduce:
1. Plugin the device

Actual results:
evtest returns no result

Expected results:
touch should be registered

Additional info:

The device is seen as a mouse ???

# cat /tmp/o
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ LG Display LGD-MultiTouch id=10 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Dell Dell USB Keyboard Hub id=6 [slave keyboard (3)]
    ↳ Dell Dell USB Keyboard Hub id=7 [slave keyboard (3)]
    ↳ Power Button id=8 [slave keyboard (3)]
    ↳ Power Button id=9 [slave keyboard (3)]

from dmesg

[ 14.340313] hub 5-0:1.0: unable to enumerate USB device on port 2
[ 14.413131] usb 1-1.1: new full speed USB device using ehci_hcd and address 6
[ 14.500874] usb 1-1.1: New USB device found, idVendor=1fd2, idProduct=0064
[ 14.501179] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 14.501696] usb 1-1.1: Product: LGD-MultiTouch
[ 14.501977] usb 1-1.1: Manufacturer: LG Display
[ 14.506445] input: LG Display LGD-MultiTouch as /devices/pci0000:00/0000:00:13.5/usb1/1-1/1-1.1/1-1.1:1.0/input/input2
[ 14.508329] generic-usb 0003:1FD2:0064.0001: input,hiddev0,hidraw0: USB HID v1.00 Mouse [LG Display LGD-MultiTouch] on usb-0000:00:13.5-1.1/input0

from evtest
# evtest /dev/input/event2
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x1fd2 product 0x64 version 0x100
Input device name: "LG Display LGD-MultiTouch"
Supported events:
  Event type 0 (Sync)
  Event type 1 (Key)
    Event code 272 (LeftBtn)
    Event code 273 (RightBtn)
    Event code 320 (ToolPen)
    Event code 321 (ToolRubber)
    Event code 330 (Touch)
  Event type 3 (Absolute)
    Event code 0 (X)
      Value 0
      Min 0
      Max 1920
    Event code 1 (Y)
      Value 0
      Min 0
      Max 1080
    Event code 2 (Z)
      Value 0
      Min 0
      Max 1920
    Event code 3 (Rx)
      Value 0
      Min 0
      Max 1080
    Event code 4 (Ry)
      Value 0
      Min 0
      Max 32767
    Event code 5 (Rz)
      Value 0
      Min 0
      Max 32767
    Event code 40 (Misc)
      Value 0
      Min 0
      Max 1
    Event code 41 (?)
      Value 0
      Min 0
      Max 1
    Event code 42 (?)
      Value 0
      Min 0
      Max 1080
  Event type 4 (Misc)
    Event code 4 (ScanCode)
Testing ... (interrupt to exit)
<nothing follows>