"INTUOSREAD" and "INTUOSWRITE" are poorly named. These are report IDs
for pen ID (proximity) packets. It should be noted that the latter is
only used on Intuos/Intuos2 for a second stylus when DualTrack is in use.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>