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touchpad: Enable timestamp smoothing support for bluetooth touchpads

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Bluetooth wreaks havoc with the timestamp of the input events coming
from the touchpad, enable timestamp smoothing support to counter this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Hans de Goede 2017-07-02 16:35:36 +02:00 • committed by Peter Hutterer
parent 6f39a9e1c2
commit c4857f01d8
4 changed files with 12 additions and 4 deletions
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4
src/evdev-mt-touchpad.c
View file

@ -2228,8 +2228,10 @@ tp_init_accel(struct tp_dispatch *tp)
if (tp->device->model_flags & EVDEV_MODEL_LENOVO_X230 ||
tp->device->model_flags & EVDEV_MODEL_LENOVO_X220_TOUCHPAD_FW81)
filter = create_pointer_accelerator_filter_lenovo_x230(tp->device->dpi);
else if (libevdev_get_id_bustype(device->evdev) == BUS_BLUETOOTH)
filter = create_pointer_accelerator_filter_touchpad(device->dpi, ms2us(50), ms2us(10));
else
filter = create_pointer_accelerator_filter_touchpad(tp->device->dpi);
filter = create_pointer_accelerator_filter_touchpad(device->dpi, 0, 0);
if (!filter)
return false;

6
src/filter.c
View file

@ -1013,7 +1013,9 @@ struct motion_filter_interface accelerator_interface_touchpad = {
};
struct motion_filter *
create_pointer_accelerator_filter_touchpad(int dpi)
create_pointer_accelerator_filter_touchpad(int dpi,
uint64_t event_delta_smooth_threshold,
uint64_t event_delta_smooth_value)
{
struct pointer_accelerator *filter;
@ -1023,6 +1025,8 @@ create_pointer_accelerator_filter_touchpad(int dpi)
filter->base.interface = &accelerator_interface_touchpad;
filter->profile = touchpad_accel_profile_linear;
filter->event_delta_smooth_threshold = event_delta_smooth_threshold;
filter->event_delta_smooth_value = event_delta_smooth_value;
return &filter->base;
}

4
src/filter.h
View file

@ -114,7 +114,9 @@ struct motion_filter *
create_pointer_accelerator_filter_linear_low_dpi(int dpi);
struct motion_filter *
create_pointer_accelerator_filter_touchpad(int dpi);
create_pointer_accelerator_filter_touchpad(int dpi,
uint64_t event_delta_smooth_threshold,
uint64_t event_delta_smooth_value);
struct motion_filter *
create_pointer_accelerator_filter_lenovo_x230(int dpi);

2
tools/ptraccel-debug.c
View file

@ -339,7 +339,7 @@ main(int argc, char **argv)
filter = create_pointer_accelerator_filter_linear_low_dpi(dpi);
profile = pointer_accel_profile_linear_low_dpi;
} else if (streq(filter_type, "touchpad")) {
filter = create_pointer_accelerator_filter_touchpad(dpi);
filter = create_pointer_accelerator_filter_touchpad(dpi, 0, 0);
profile = touchpad_accel_profile_linear;
} else if (streq(filter_type, "x230")) {
filter = create_pointer_accelerator_filter_lenovo_x230(dpi);