During the installation of the wacom.ko I get the following messages :
make[3]: Entering directory `/usr/src/linux-headers-2.6.38-8-generic'
  CC [M]  /home/aviras/input-wacom-0.12.0/2.6.38/wacom_sys.o
/home/aviras/input-wacom-0.12.0/2.6.38/wacom_sys.c: In function ‘wacom_led_select_store’:
/home/aviras/input-wacom-0.12.0/2.6.38/wacom_sys.c:645:2: error: implicit declaration of function ‘kstrtouint’
make[4]: *** [/home/aviras/input-wacom-0.12.0/2.6.38/wacom_sys.o] Error 1
make[3]: *** [_module_/home/aviras/input-wacom-0.12.0/2.6.38] Error 2
make[3]: Leaving directory `/usr/src/linux-headers-2.6.38-8-generic'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/aviras/input-wacom-0.12.0/2.6.38'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/aviras/input-wacom-0.12.0'
make: *** [all] Error 2
I don't have a wacom.ko file to copy, so I'm sort of stuck here. I'm using 11.04, and my new CTH670, which doesn't respond to anything in ubuntu (although the lighting works).