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commit d5ff9d8b0b186cf39695df84a10984eac559b746
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Tue Jun 12 13:46:34 2012 +1000
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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commit c1aae820601a911432c64938f03eab62bafaab2f
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Fri May 18 09:38:50 2012 +1000
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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commit 7ccca8e7d8fbf2ccb5a2dbbfbf06ff4dbd6b7149
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Thu May 17 12:10:04 2012 +1000
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Don't allow for scroll distances of 0 (#49965)
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It'll either hang the server or blow up with divisions by 0, whichever one
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X.Org Bug 49965 <http://bugs.freedesktop.org/show_bug.cgi?id=49965>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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(cherry picked from commit 6d47d334d8a876e7e094306c313246b87016b78a)
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commit f8d970e191e6df05a8f2c26afdeea3e27b941a62
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Thu May 17 11:02:02 2012 +1000
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Reset hw->x/y to INT_MIN and skip HandleState until we have x/y events
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The driver assumes x/y is always valid but after coming from a resume we may
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get a few events with either ABS_X or ABS_Y (not both). Thus we process with
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hw->x == 0 and hw->y == somevalue, causing cursor jumps when calculating
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deltas whenver the real hw->x comes in.
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Fix this by resetting hw->x/y to INT_MIN and skip state processing until
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both axes are available.
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For clickpads, this means handling of data will be delayed until we get
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at least one motion on each axis. Button presses won't be recognised either
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until that happens. It requires some skill to not trigger motion on both
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axes, even more to press a button without doing so.
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For non-clickpads, handling of motion events will be delayed likewise. If a
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physical button is pressed immediately after resume we have to assume deltas
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- If the next event is a new touch, it will have ABS_X/ABS_Y set anyway
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- If the finger was already down, a button event is generated, and the
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finger has generated ABS_X or ABS_Y only before the event, the next event
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containing the missing data will cause a jump. The fix for this is more
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invasive and this is quite a corner-case.
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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(cherry picked from commit cd569377cda9b5a4ee00c0137db14f625c76c40f)
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commit 739175d198372a3226ce061b118d8fe5bbc8f6bf
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Author: Chase Douglas <chase.douglas@canonical.com>
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Date: Wed May 16 07:49:25 2012 -0700
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Reset open slots array on device disable
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The open slots array is used for clickpad cumulative delta computation.
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If the array is not reset and becomes corrupted during the device
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disable/enable cycle, the cumulative deltas may be wrong. This manifests
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as jumpy cursor behavior on some clickpads after suspend/resume.
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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(cherry picked from commit 0054b144f3daf00e46a35b2f165befb209df94fc)
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commit 67a02d676c96d5b3d4729290cd96af0201eb76bb
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Author: Chun Yang <Chuck.Yang@gmail.com>
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Date: Tue May 15 14:51:42 2012 -0500
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Fix coasting for negative ScrollDelta
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Fix the coasting direction for when VertScrollDelta or HorizScrollDelta is
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Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=49966
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Regression introduced in 0de4445ff8e75aab208faf6383e76045934c6720
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Signed-off-by: Chun Yang <Chuck.Yang@gmail.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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(cherry picked from commit 53557a5cab1e253dc8f4393207954ae0fe76068f)
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commit 23e87b57bb874326c88a7ad7292bec51959fb876
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Author: Chase Douglas <chase.douglas@canonical.com>
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Date: Mon May 14 10:20:01 2012 -0700
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Ignore pre-existing touches
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If a touch is physically active when the device is enabled, then all
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events for that touch must be ignored. In particular, we cannot close
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the touch or we will decrement touch count counters below zero. If these
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counters go below zero memory corruption can occur.
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Note that a device is disabled and enabled every time the user types on
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the keyboard if synclient is used to disable the trackpad while typing.
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This is a very common option.
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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(cherry picked from commit 55fc42e7c9b4948cadd4f98ef7b6a3b12e268e3e)
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commit 23065a974e5dcdf0d6a436a0547bb7887d306a6f
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Fri May 11 12:27:39 2012 +1000
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Avoid out-of-bounds access by running num_active_touches < 0 (#49439)
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If a touch is active during driver init, the slot will be set to
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SLOTSTATE_CLOSE when it finishes. That could decrease num_active_touches to
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less than 0, causing out-of-bounds access.
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X.Org Bug 49439 <http://bugs.freedesktop.org/show_bug.cgi?id=49439>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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(cherry picked from commit 77d766b1d535dff9a27c7db343ede85d9f44850b)
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commit e0f5688994baa85a8c658120681575cdd0ba2a58
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Author: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Fri May 11 10:30:21 2012 +1000
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ChangeLog
