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commit 6797b39e6f6f34c74177736e146406e894b9482b upstream.
The cypress PS/2 trackpad models supported by the cypress_ps2 driver
emulate BTN_RIGHT events in firmware based on the finger position, as part
of this no motion events are sent when the finger is in the button area.
The INPUT_PROP_BUTTONPAD property is there to indicate to userspace that
BTN_RIGHT events should be emulated in userspace, which is not necessary
in this case.
When INPUT_PROP_BUTTONPAD is advertised userspace will wait for a motion
event before propagating the button event higher up the stack, as it needs
current abs x + y data for its BTN_RIGHT emulation. Since in the
cypress_ps2 pads don't report motion events in the button area, this means
that clicks in the button area end up being ignored, so
INPUT_PROP_BUTTONPAD actually causes problems for these touchpads, and
removing it fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=76341
Reported-by: Adam Williamson <awilliam@redhat.com>
Tested-by: Adam Williamson <awilliam@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5df682b297f6b23ec35615ed7bb50cbb25d25869 upstream.
If hardware (or firmware) detects palm on the surface of the device it does
not mean that the data packet is bad from the protocol standpoint. Instead
of reporting PSMOUSE_BAD_DATA in this case simply threat it as if nothing
touches the surface.
BugLink: http://bugs.launchpad.net/bugs/1229361
Signed-off-by: Joseph Salisbury <joseph.salisbury@canonical.com>
Tested-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid firmware glitch in Cypress PS/2 Trackpad firmware version 11
(as observed in Dell XPS12) which prevents driver from recognizing
the trackpad.
BugLink: http://launchpad.net/bugs/1103594
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Cc: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This driver, submitted on behalf of Cypress Semiconductor Corporation and
additional contributors, provides support for the Cypress PS/2 Trackpad.
Original code contributed by Dudley Du (Cypress Semiconductor Corporation),
modified by Kamal Mostafa and Kyle Fazzari.
BugLink: http://launchpad.net/bugs/978807
Signed-off-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kyle Fazzari <git@status.e4ward.com>
Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Herton Krzesinski <herton.krzesinski@canonical.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Reviewed-by: Dudley Du <dudl@cypress.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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