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wpkzz
Tux's lil' helper
Tux's lil' helper


Joined: 28 Feb 2013
Posts: 76

PostPosted: Mon Mar 09, 2015 4:54 am    Post subject: Problems with Wacom Intuos 2 tablet Reply with quote

Good Night, fellow kernel-compilers:

A friend of mine gifted me with a Wacom Intous 2 tablet which he doesn't use anymore. It must be a few years old, the model according to the label in the back is the
XD-0912-U. My kernel cannot recognize it properly, it seems. dmesg gives me this:

Code:

[   72.208207] usb 2-1.1: new full-speed USB device number 5 using ehci-pci
[   72.297208] usb 2-1.1: New USB device found, idVendor=056a, idProduct=0043
[   72.297215] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   72.297218] usb 2-1.1: Product: XD-0912-U
[   72.297221] usb 2-1.1: Manufacturer: Tablet

, which, as you can see, tells us that the "manufacturer" is "Tablet" and doesn't list it as a wacom device.

Also, in my /dev/input I have nothing that shows it, just these things:

Code:

karel@monstruona input $ ls
by-id    event0  event2  event4  event6  event8  mice    mouse1
by-path  event1  event3  event5  event7  event9  mouse0


My kernel is the 3.17.8, and I have compiled the proper driver as module:

Code:

│        Device Drivers  --->   
│           Input device support  --->
│               [*]   Tablets  --->                                                        │ │ 
│                <M>   Wacom protocol 4 serial tablet support 


My xorg variables are as follows:

Code:

INPUT_DEVICES="evdev keyboard mouse synaptics wacom"
VIDEO_CARDS="fbdev intel nouveau"


and my version of the library is libwacom-0.7.1.

xev does not see or feel anything when I play with the pen on the tablet nor any other program.

What I am missing?
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chithanh
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Joined: 05 Aug 2006
Posts: 2152
Location: Berlin, Germany

PostPosted: Mon Mar 09, 2015 5:35 pm    Post subject: Reply with quote

Are you sure that for a USB tablet you need the Wacom serial kernel driver? I would expect that you rather need this one:
Code:
  │ Symbol: HID_WACOM [=n]                                                  │   
  │ Type  : tristate                                                        │   
  │ Prompt: Wacom Intuos/Graphire tablet support (USB)                      │   
  │   Location:                                                             │   
  │     -> Device Drivers                                                   │   
  │       -> HID support                                                    │   
  │         -> HID bus support (HID [=y])                                   │   
  │ (1)       -> Special HID drivers                                        │   
  │   Defined at drivers/hid/Kconfig:777                                    │   
  │   Depends on: INPUT [=y] && HID [=y]                                    │   
  │   Selects: POWER_SUPPLY [=y] && NEW_LEDS [=y] && LEDS_CLASS [=y]        │   
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wpkzz
Tux's lil' helper
Tux's lil' helper


Joined: 28 Feb 2013
Posts: 76

PostPosted: Tue Mar 10, 2015 4:03 am    Post subject: Reply with quote

Thanks, chithanh:

It seems now that it is "slighltly" better. I did what you suggested, and loaded the module "wacom" (not in-kernel yet).

Now dmesg is a bit more aware of what is going on:
Code:

[   59.958656] usb 2-1.3: new full-speed USB device number 5 using ehci-pci
[   60.047369] usb 2-1.3: New USB device found, idVendor=056a, idProduct=0043
[   60.047375] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   60.047379] usb 2-1.3: Product: XD-0912-U
[   60.047382] usb 2-1.3: Manufacturer: Tablet
[   60.051563] input: Wacom Intuos2 9x12 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/0003:056A:0043.0004/input/input17
[   60.053165] wacom 0003:056A:0043.0004: hidraw3: USB HID v1.00 Mouse [Tablet XD-0912-U] on usb-0000:00:1d.0-1.3/input0


And I have new files in /dev/input, another mouse it seems...

Code:

karel@monstruona ~ $ cd /dev/input/
karel@monstruona input $ ls
by-id    event0  event10  event3  event5  event7  event9  mouse0  mouse2
by-path  event1  event2   event4  event6  event8  mice    mouse1
karel@monstruona input $


Namely, a third mouse. The "mouse2". The others are probably my elantech touchpad and my usb mouse.
Actualy, the mouse2 is my usb mouse and the mouse1 seems to be the wacom tablet. I tested it "cating" the files and it shows the adecuate giberish when I move the pen over it, but I cannot use it to move the cursor. I guess now I have to do some x11 tweking, ¿right?
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chithanh
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Joined: 05 Aug 2006
Posts: 2152
Location: Berlin, Germany

PostPosted: Tue Mar 10, 2015 4:15 pm    Post subject: Reply with quote

Yes. The next step after configuring your kernel would be configuring X. Verify that the wacom driver becomes active in Xorg.0.log. You man need to explicitly specify a device in xorg.conf (see "man wacom").
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