Add an eeepc_wmi context structure to manage all the sub-devices
that will be implemented later on. Put input device into it first.
Signed-off-by: NYong Wang <yong.y.wang@intel.com>
Signed-off-by: NMatthew Garrett <mjg@redhat.com>
Reviewed-by: NCorentin Chary <corentincj@iksaif.net>