Input: clarify the no-finger event in multitouch protocol
authorHenrik Rydberg <rydberg@euromail.se>
Mon, 22 Mar 2010 05:31:26 +0000 (22:31 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Mon, 22 Mar 2010 05:38:56 +0000 (22:38 -0700)
commit97065e033ec5fd824d0133ecd0c614fe1e5c20bd
tree4914099f6e34c75a6994dd2f90c8236fc808118f
parentd90e6f6aad0ffdc674bc3a05c85c40dcc18e604c
Input: clarify the no-finger event in multitouch protocol

The current documentation does not explicitly specify how to report
zero fingers, leaving a potential problem in the driver implementations
and giving no parsing directive to userland. This patch defines two
equally valid ways.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Documentation/input/multi-touch-protocol.txt