input: mt: Add hovering distance axis
authorHenrik Rydberg <rydberg@euromail.se>
Mon, 6 Dec 2010 09:05:43 +0000 (10:05 +0100)
committerHenrik Rydberg <rydberg@euromail.se>
Thu, 16 Dec 2010 09:42:29 +0000 (10:42 +0100)
commite42a98b520bb22535687ead3120e80edc268279a
treecd8bfdc35552a3d3911928b0d1a6600e85793264
parentc5f4dec1ceb6ab773bbbefbe64a7c990c7d6b17f
input: mt: Add hovering distance axis

Touch devices capable of hovering, i.e., fingers detected a
distance from the surface, are not supported by the current
input MT protocol. This patch adds ABS_MT_DISTANCE, which may
be used to indicate the distance between the contact and the
surface.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Documentation/input/multi-touch-protocol.txt
include/linux/input.h