On Thu, 19 May 2022, Tao Jin wrote: > The trackpad of the given device sends continuous report of pointers > status as per wxn8 spec. However, the spec did not clarify when the > fingers are lifted so fast that between the interval of two report > frames fingers on pad reduced from >=2 to 0. The second last report > contains >=2 fingers with tip state 1 and the last report contains only > 1 finger with tip state 0. Although this can happen unfrequently, a > quick fix will be improve the consistency to 100%. A quick fix is to > disable MT_QUIRK_ALWAYS_VALID and enable MT_QUIRK_NOT_SEEN_MEANS_UP. > > Test for hid-tools is added in [1] > > In addition to this, I2C device 04CA:00B1 may also need similar class > but with MT_QUIRK_FORCE_MULTI_INPUT disabled (but it does not harm to > enable it on non-multi-input device either). The respective owner has > been notified and a patch may coming soon after test. > > [1]: https://gitlab.freedesktop.org/libevdev/hid-tools/-/merge_requests/130 > > Signed-off-by: Tao Jin <tao-j@xxxxxxxxxxx> Applied, thank you. -- Jiri Kosina SUSE Labs
