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authorHenrik Rydberg <rydberg@euromail.se>2009-05-23 09:51:20 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-05-23 09:53:18 -0700
commitdf391e0eda1e678add56a8e34226edf05d89af6a (patch)
tree87d375cecc32a0784d42adb6b4e8b04fbf70dadb /drivers/video/pm3fb.c
parent705a76d2d22a2824f45f07d023a380293554e989 (diff)
Input: multitouch - add tracking ID to the protocol
There are a few multi-touch devices that support finger tracking well in hardware, Stantum being the prime example. By exposing the tracking ID in the MT protocol, evdev bandwidth and cpu usage in user space can be reduced. This patch adds the ABS_MT_TRACKING_ID to the MT protocol. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Tested-by: Stéphane Chatty <chatty@enac.fr> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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