Did this to illustrate my understanding of the firmware generations:
Valo and Kone were 1st generation
Arvo was externaly developed and lies in the middle
All others until now are considered 2nd generation
Signed-off-by: NStefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

Reduced code duplication by moving functions from individual drivers
to roccat-common module.
Signed-off-by: NStefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

This patch adds support for Roccat Isku keyboard.
Userland tools can be found at http://sourceforge.net/projects/roccatSigned-off-by: NStefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>