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authorHans de Goede <hdegoede@redhat.com>2014-03-26 13:30:52 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-03-26 13:33:58 -0700
commit6797b39e6f6f34c74177736e146406e894b9482b (patch)
treef834ae0e2b8e8c72233bbb534f3e0f8cae26d707 /drivers/mfd/viperboard.c
parent70b0052425ffd549bb27fb08649a4d30daaf40e4 (diff)
Input: cypress_ps2 - don't report as a button pads
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>
Diffstat (limited to 'drivers/mfd/viperboard.c')
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