HID: multitouch: support for hovering devices
Win8 devices supporting hovering must provides InRange HID field. The information that the finger is here but is not touching the surface is sent to the user space through ABS_MT_DISTANCE as required by the multitouch protocol. Signed-off-by: NBenjamin Tissoires <benjamin.tissoires@gmail.com> Reviewed-by: NHenrik Rydberg <rydberg@euromail.se> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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