For pressure-based multi-touch devices, a direct way to send sensor
intensity data per finger is needed. This patch adds the ABS_MT_PRESSURE
event to the MT protocol.
Requested-by: NYoonyoung Shim <jy0922.shim@samsung.com>
Requested-by: NMika Kuoppala <mika.kuoppala@nokia.com>
Requested-by: NPeter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: NHenrik Rydberg <rydberg@euromail.se>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>