| 2014-09-23 20:02:20 |
Brad Figg |
description |
Please include the following commit from mainline in Ubuntu kernel:
From 5715fc764f7753d464dbe094b5ef9cffa6e479a4 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 30 Aug 2014 13:51:06 -0700
Subject: Input: synaptics - add support for ForcePads
ForcePads are found on HP EliteBook 1040 laptops. They lack any kind of
physical buttons, instead they generate primary button click when user
presses somewhat hard on the surface of the touchpad. Unfortunately they
also report primary button click whenever there are 2 or more contacts
on the pad, messing up all multi-finger gestures (2-finger scrolling,
multi-finger tapping, etc). To cope with this behavior we introduce a
delay (currently 50 msecs) in reporting primary press in case more
contacts appear.
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |
SRU Justification:
Impact:
Multi-finger gestures broken on HP EliteBook 1040 laptops that use ForcePads.
Fix:
Please include the following commit from mainline in Ubuntu kernel:
From 5715fc764f7753d464dbe094b5ef9cffa6e479a4 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sat, 30 Aug 2014 13:51:06 -0700
Subject: Input: synaptics - add support for ForcePads
ForcePads are found on HP EliteBook 1040 laptops. They lack any kind of
physical buttons, instead they generate primary button click when user
presses somewhat hard on the surface of the touchpad. Unfortunately they
also report primary button click whenever there are 2 or more contacts
on the pad, messing up all multi-finger gestures (2-finger scrolling,
multi-finger tapping, etc). To cope with this behavior we introduce a
delay (currently 50 msecs) in reporting primary press in case more
contacts appear.
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Testcase:
Try multi-finger gestures as well as force clicks and observe behavior. |
|
