]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL
authorDaytonCL <artem749507@gmail.com>
Sun, 14 Dec 2025 13:34:36 +0000 (14:34 +0100)
committerBenjamin Tissoires <bentiss@kernel.org>
Fri, 19 Dec 2025 11:12:08 +0000 (12:12 +0100)
commitff3f234ff1dcd6d626a989151db067a1b7f0f215
tree3245c7d18fc2f5a602a731b46eee12800c0dc927
parent56e230723e3a818373bd62331bccb1c6d2b3881b
HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL

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>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
drivers/hid/hid-multitouch.c