Description of problem:
The new Wacom models, the d6, d7, d8, dA, and dB, have a different USB protocol (because of the 3 & 4 finger gestures of the dA & dB) which is why their touch doesn't work correctly with the present version of wacom.ko

Version-Release number of selected component (if applicable):
2.6.40.6-0.fc15.x86_64

How reproducible:
always

Steps to Reproduce:
1. Connect Wacom Bamboo tablet of one of he above HW versions
2. Pen is working correctly
3. Touch is all jumpy and doesn't work as expected
  
Actual results:
Finger gestures are always jump and end into the upper-left corner (with my 0xd6 model)

Expected results:
The gestures to work correctly

Additional info:
I've found the following info on the Ubuntu forums:

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The new models, the d6, d7, d8, dA, and dB, have a different USB protocol (because of the 3 & 4FGT of the dA & dB) which is why their touch doesn't work correctly. You can enter lsusb in a terminal to check if you have one. The Wacom line in the output will have the product ID. Unfortunately this fix only works in Natty (2.6.38 ) or later, because earlier releases do not have the mt.h (Multitouch Library) in their kernel's linux-header.

Chris Bagwell has submitted a patch set to the kernel (linux-input) to fix wacom.ko so that it now handles the new USB protocol correctly. Since it is not in input-wacom yet and the kernel.org site is down we'll get the fix from dtor's recent pull request for-linus on github for the 3.1 kernel. We'll create a directory/folder on the Desktop called wacom-usb-fix and download the 4 needed files into it, create a Makefile, and then compile them into a wacom.ko and copy it into place.

Code:

cd Desktop

mkdir wacom-usb-fix

cd wacom-usb-fix

wget -O wacom.h "https://github.com/dtor/input/raw/for-linus/drivers/input/tablet/wacom.h"

wget -O wacom_sys.c "https://github.com/dtor/input/raw/for-linus/drivers/input/tablet/wacom_sys.c"

wget -O wacom_wac.c "https://github.com/dtor/input/raw/for-linus/drivers/input/tablet/wacom_wac.c"

wget -O wacom_wac.h "https://github.com/dtor/input/raw/for-linus/drivers/input/tablet/wacom_wac.h"

echo "wacom-objs += wacom_wac.o wacom_sys.o" > Makefile

echo "obj-m += wacom.o" >> Makefile

make -C /lib/modules/$(uname -r)/build SUBDIRS=$(pwd) modules

sudo cp wacom.ko /lib/modules/`uname -r`/kernel/drivers/input/tablet/wacom.ko

sudo depmod -a

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