ChangeLog

v0.2 :
  clean usb
  input part : add some function redirection
  adjust input prop/events
v0.3 :
  sysfs [min|max]_[x|y], h1..h9, calibrated
  rounding tweak
v0.4 :
  spinlock input in classic_setup_input (changing parameters)
  change define : CONFIG_INPUT_EBEAM_USB_CLASSIC
                  USB_VENDOR_ID_EFI
                  USB_DEVICE_ID_EFI_CLASSIC
v0.5 :
  final cleanup for submission
  hid blacklist (see drivers/hid/hid-ids.h and drivers/hid/hid-core.c)
v0.6 :
  #define cleanup : remove DEBUG, move CONFIG_INPUT_EBEAM_USB_CLASSIC to makefile
v0.7 :
  strip down the driver : suppress device-specific parts and irq_always.
v0.8 :
  remove hid.h include
  remove DRIVER_VERSION
  cosmetic : force closing ) in udev->name if strlcat overflowed
  X,Y -> raw_x,raw_y
  use div64_s64 for 64-bits divisions
v0.9 :
  tested with edge and nec interactive solution (same usb id)