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[xapient <1526169@xxxxxxxxxxxxxxxxxx>]

it's probably just a small change in usbtouchscreen module so that 15C2:3480 device is catched and configured.. 
unfortunately i have no idea of driver development.. 

this guy managed to add something to the usbtouchscreen module to get another version of the fingervue touchscreen working.
his source doesn't compile under 15.10 :(

http://www.franksworkshop.com.au/EMC/fingervu436/fingervu436.htm

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https://bugs.launchpad.net/bugs/1526169

Title:
  Soundgraph Finguer Vue 706 - evdev is not grabbing the device

Status in xserver-xorg-input-evdev package in Ubuntu:
  New

Bug description:
  The device is recognized as mouse, added as
  XINPUT: Adding extended input device "SoundGraph,Inc.--- SoundGraph.Inc" (type: MOUSE, id 10)
  and then ignored.

  it seems that there is only a small missing link to make it work
  properly

  sudo cat /dev/hidraw4
  2�V��2�Q�▒p2�Gg�o2�B��q2�Ap�s2�F�r2�F�r2�F�r2�F�s2�F��r2�I�▒r2�M��2�T��▒s2�

  As you can see the device input is coming through.. if i cut
  /dev/hidraw4 and touch the screen you see something like the line
  above...

  FingerVU is an USB composite device. This composite device consists of
  HID keyboard device, HID mouse device and HID compliant device. HID
  keyboard/mouse driver are used for IR input from remote control. The
  touch data is transferred through HID compliant device driver. If
  you'd like to get data from FingerVU touch panel, you might need to
  check this device.

  I already tried to make it work it 2010 and spend several hours/days on it .. in this thread is everything else i tried
  http://ubuntuforums.org/showthread.php?t=1543833

  more information about the device:

  dmesg:
  ________________________
  [36668.152699] usb 1-4: new high-speed USB device number 11 using xhci_hcd
  [36668.280948] usb 1-4: New USB device found, idVendor=058f, idProduct=6254
  [36668.280956] usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
  [36668.281595] hub 1-4:1.0: USB hub found
  [36668.281630] hub 1-4:1.0: 4 ports detected
  [36668.568415] usb 1-4.2: new full-speed USB device number 12 using xhci_hcd
  [36668.673979] usb 1-4.2: New USB device found, idVendor=15c2, idProduct=3480
  [36668.673981] usb 1-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
  [36668.673982] usb 1-4.2: Product: SoundGraph.Inc
  [36668.673983] usb 1-4.2: Manufacturer: SoundGraph,Inc.---
  [36668.674068] usb 1-4.2: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
  [36668.674071] usb 1-4.2: ep 0x82 - rounding interval to 64 microframes, ep desc says 80 microframes
  [36668.675398] input: SoundGraph,Inc.--- SoundGraph.Inc as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.0/0003:15C2:3480.0009/input/input23
  [36668.675543] hid-generic 0003:15C2:3480.0009: input,hidraw2: USB HID v1.11 Mouse [SoundGraph,Inc.--- SoundGraph.Inc] on usb-0000:00:14.0-4.2/input0
  [36668.676255] input: SoundGraph,Inc.--- SoundGraph.Inc as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.1/0003:15C2:3480.000A/input/input24
  [36668.784481] hid-generic 0003:15C2:3480.000A: input,hidraw3: USB HID v1.11 Keyboard [SoundGraph,Inc.--- SoundGraph.Inc] on usb-0000:00:14.0-4.2/input1
  [36668.786813] hid-generic 0003:15C2:3480.000B: hiddev0,hidraw4: USB HID v1.10 Device [SoundGraph,Inc.--- SoundGraph.Inc] on usb-0000:00:14.0-4.2/input2
  [36669.000116] usb 1-4.1: new high-speed USB device number 13 using xhci_hcd
  [36669.108105] usb 1-4.1: New USB device found, idVendor=17e9, idProduct=401c
  [36669.108107] usb 1-4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [36669.108108] usb 1-4.1: Product: FingerVU 706
  [36669.108109] usb 1-4.1: Manufacturer: DisplayLink
  [36669.108110] usb 1-4.1: SerialNumber: FVR0706-0150643
  [36669.109422] [drm] vendor descriptor length:17 data:17 5f 01 00 15 05 00 01 03 00 04
  [36669.184271] udl 1-4.1:1.0: fb2: udldrmfb frame buffer device
  [36669.184273] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
  [36669.184274] [drm] No driver support for vblank timestamp query.
  [36669.184275] [drm] Initialized udl on minor 2
  [36669.184949] hid-generic 0003:17E9:401C.000C: hiddev0,hidraw5: USB HID v1.10 Device [DisplayLink FingerVU 706] on usb-0000:00:14.0-4.1/input1


  cat /proc/bus/input/devices
  ___________________________

  I: Bus=0003 Vendor=15c2 Product=3480 Version=0111
  N: Name="SoundGraph,Inc.--- SoundGraph.Inc"
  P: Phys=usb-0000:00:14.0-4.2/input0
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.0/0003:15C2:3480.0004/input/input8
  U: Uniq=
  H: Handlers=mouse1 event5
  B: PROP=0
  B: EV=17
  B: KEY=70000 0 0 0 0
  B: REL=103
  B: MSC=10

  I: Bus=0003 Vendor=15c2 Product=3480 Version=0111
  N: Name="SoundGraph,Inc.--- SoundGraph.Inc"
  P: Phys=usb-0000:00:14.0-4.2/input1
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.1/0003:15C2:3480.0005/input/input9
  U: Uniq=
  H: Handlers=sysrq kbd event6 leds
  B: PROP=0
  B: EV=120013
  B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=1f
  _____________________________

  cat /var/log/Xorg.0.log

  11.610] (II) config/udev: Adding input device SoundGraph,Inc.--- SoundGraph.Inc (/dev/input/event5)
  [    11.610] (**) SoundGraph,Inc.--- SoundGraph.Inc: Applying InputClass "evdev pointer catchall"
  [    11.610] (II) Using input driver 'evdev' for 'SoundGraph,Inc.--- SoundGraph.Inc'
  [    11.610] (**) SoundGraph,Inc.--- SoundGraph.Inc: always reports core events
  [    11.610] (**) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Device: "/dev/input/event5"
  [    11.664] (--) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Vendor 0x15c2 Product 0x3480
  [    11.664] (--) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Found 3 mouse buttons
  [    11.664] (--) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Found scroll wheel(s)
  [    11.664] (--) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Found relative axes
  [    11.664] (--) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Found x and y relative axes
  [    11.664] (II) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Configuring as mouse
  [    11.664] (II) evdev: SoundGraph,Inc.--- SoundGraph.Inc: Adding scrollwheel support
  [    11.664] (**) evdev: SoundGraph,Inc.--- SoundGraph.Inc: YAxisMapping: buttons 4 and 5
  [    11.664] (**) evdev: SoundGraph,Inc.--- SoundGraph.Inc: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
  [    11.664] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.0/0003:15C2:3480.0004/input/input8/event5"
  [    11.664] (II) XINPUT: Adding extended input device "SoundGraph,Inc.--- SoundGraph.Inc" (type: MOUSE, id 10)
  [    11.664] (II) evdev: SoundGraph,Inc.--- SoundGraph.Inc: initialized for relative axes.
  [    11.664] (**) SoundGraph,Inc.--- SoundGraph.Inc: (accel) keeping acceleration scheme 1
  [    11.664] (**) SoundGraph,Inc.--- SoundGraph.Inc: (accel) acceleration profile 0
  [    11.664] (**) SoundGraph,Inc.--- SoundGraph.Inc: (accel) acceleration factor: 2.000
  [    11.664] (**) SoundGraph,Inc.--- SoundGraph.Inc: (accel) acceleration threshold: 4
  [    11.664] (II) config/udev: Adding input device SoundGraph,Inc.--- SoundGraph.Inc (/dev/input/mouse1)
  [    11.664] (II) No input driver specified, ignoring this device.
  [    11.664] (II) This device may have been added with another device file.
  ___________________________________________________

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