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Sun, 14 Dec 2025 05:37:31 -0800 (PST) From: DaytonCL To: benjamin.tissoires@redhat.com Cc: jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL Date: Sun, 14 Dec 2025 14:34:36 +0100 Message-ID: <20251214133648.307106-2-artem749507@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251214133648.307106-1-artem749507@gmail.com> References: <20251214133648.307106-1-artem749507@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Tested-by: DaytonCL Signed-off-by: DaytonCL --- 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[] =3D { { .name =3D MT_CLS_VTL, .quirks =3D MT_QUIRK_ALWAYS_VALID | MT_QUIRK_CONTACT_CNT_ACCURATE | + MT_QUIRK_STICKY_FINGERS | MT_QUIRK_FORCE_GET_FEATURE, }, { .name =3D MT_CLS_GOOGLE, --=20 2.52.0