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touchpad: add LIBINPUT_MODEL_WOBBLY_TOUCHPAD for the HP 14-ac157tu

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If some elantech touchpads require a hysteresis, let's use some more generic
tag for those touchpads that require correct handling of pointer wobbles.

https://bugs.freedesktop.org/show_bug.cgi?id=94897

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2016-04-12 11:07:02 +10:00
parent f00b5d609c
commit afdcaf5015
4 changed files with 13 additions and 0 deletions
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3
src/evdev-mt-touchpad.c
View file

@ -2023,6 +2023,9 @@ tp_init_hysteresis(struct tp_dispatch *tp)
(tp->device->model_flags & EVDEV_MODEL_SYNAPTICS_SERIAL_TOUCHPAD))
goto want_hysteresis;
if (tp->device->model_flags & EVDEV_MODEL_WOBBLY_TOUCHPAD)
goto want_hysteresis;
tp->hysteresis_margin.x = 0;
tp->hysteresis_margin.y = 0;

1
src/evdev.c
View file

@ -1698,6 +1698,7 @@ evdev_read_model_flags(struct evdev_device *device)
{ "LIBINPUT_MODEL_CYAPA", EVDEV_MODEL_CYAPA },
{ "LIBINPUT_MODEL_ALPS_RUSHMORE", EVDEV_MODEL_ALPS_RUSHMORE },
{ "LIBINPUT_MODEL_LENOVO_T450_TOUCHPAD", EVDEV_MODEL_LENOVO_T450_TOUCHPAD },
{ "LIBINPUT_MODEL_WOBBLY_TOUCHPAD", EVDEV_MODEL_WOBBLY_TOUCHPAD },
{ NULL, EVDEV_MODEL_DEFAULT },
};
const struct model_map *m = model_map;

1
src/evdev.h
View file

@ -114,6 +114,7 @@ enum evdev_device_model {
EVDEV_MODEL_CYAPA = (1 << 15),
EVDEV_MODEL_ALPS_RUSHMORE = (1 << 16),
EVDEV_MODEL_LENOVO_T450_TOUCHPAD= (1 << 17),
EVDEV_MODEL_WOBBLY_TOUCHPAD = (1 << 18),
};
struct mt_slot {

8
udev/90-libinput-model-quirks.hwdb
View file

@ -80,6 +80,14 @@ libinput:name:Atmel maXTouch Touchpad:dmi:*svn*GOOGLE*:pn*Samus*
libinput:name:Cypress APA Trackpad ?cyapa?:dmi:*
LIBINPUT_MODEL_CYAPA=1
##########################################
# HP
##########################################
# HP 14-ac157tu
libinput:name:*ETPS/2 Elantech Touchpad*:dmi:*svnHP*pvrCNB1:*
LIBINPUT_MODEL_WOBBLY_TOUCHPAD=1
##########################################
# LENOVO
##########################################