From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 26 Jul 2014 05:33:33 +0000 (-0700)
Subject: Input: alps - improve 2-finger reporting on v3 models
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~115^2~1^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=20bea68bd1a5c783a23ad9e9de15ffb1b036f3a4;p=pandora-kernel.git

Input: alps - improve 2-finger reporting on v3 models

V3 models only report mt bitmap data when there are 2 or more fingers on
the touchpad. So always generate 2 positions in alps_process_bitmap, and
for v3 models only fall back to st data when there was no mt data in a
mt packet (which should never happen).

This fixes 2 finger scrolling not working when using 2 fingers close to
each other.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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