On Sun, Jul 02, 2017 at 04:35:36PM +0200, Hans de Goede wrote:
> 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 <[email protected]>
fwiw, I pushed this to master now so your touchpad works, but as we
discussed offline I think there's still a few extra bits we need to figure
out.
Cheers,
Peter
> ---
> src/evdev-mt-touchpad.c | 4 +++-
> src/filter.c | 6 +++++-
> src/filter.h | 4 +++-
> tools/ptraccel-debug.c | 2 +-
> 4 files changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
> index 2d39e18d..6af594dd 100644
> --- a/src/evdev-mt-touchpad.c
> +++ b/src/evdev-mt-touchpad.c
> @@ -2056,8 +2056,10 @@ 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;
> diff --git a/src/filter.c b/src/filter.c
> index 49d324eb..faf8d311 100644
> --- a/src/filter.c
> +++ b/src/filter.c
> @@ -1028,7 +1028,9 @@ 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;
>
> @@ -1038,6 +1040,8 @@ 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;
> }
> diff --git a/src/filter.h b/src/filter.h
> index e24c20d4..131f8018 100644
> --- a/src/filter.h
> +++ b/src/filter.h
> @@ -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);
> diff --git a/tools/ptraccel-debug.c b/tools/ptraccel-debug.c
> index acb82c69..1fc31de9 100644
> --- a/tools/ptraccel-debug.c
> +++ b/tools/ptraccel-debug.c
> @@ -314,7 +314,7 @@ 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);
> --
> 2.13.0
>
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>
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