Some VTL-class touchpads (e.g. TOPS0102:00 35CC:0104) intermittently
fail to release a finger contact. A previous slot remains logically
active, accompanied by stale BTN_TOOL_DOUBLETAP state, causing
gestures to stay latched and resulting in stuck two-finger
scrolling and false right-clicks.
Apply MT_QUIRK_STICKY_FINGERS to handle the unreleased contact correctly.
Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/1225
Suggested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: DaytonCL <artem749507@gmail.com>
Signed-off-by: DaytonCL <artem749507@gmail.com>
---
drivers/hid/hid-multitouch.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 179dc316b..a0c1ad5ac 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -393,6 +393,7 @@ static const struct mt_class mt_classes[] = {
{ .name = MT_CLS_VTL,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_STICKY_FINGERS |
MT_QUIRK_FORCE_GET_FEATURE,
},
{ .name = MT_CLS_GOOGLE,
--
2.52.0