From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 880B83033D2; Mon, 9 Feb 2026 14:55:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770648947; cv=none; b=bhQhg8aGFvbsP7R8N+vyR9Qk5q1wtSO9W2ElatbIQ1FGJVoAfsFZ77e1H4EyqVbuQHAxlLclsrqLzLPHxwMZl+ejy5Nm0BwaIOxPaZO/owMKBdjyGhpc94NUMm21MRVGA4e0yZEaRog7wqvg2zdiBZ9G4yDFXHo/c+LWBETI2GA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770648947; c=relaxed/simple; bh=Im2ScG66KNKrMWAR76NUnHpZAMcl22c9VR3u+siaoes=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Sr+oT76v7n0/n2IUcRuOT1qhtd8eecBdlUz56S1UMGp/aYjv1a/7F3EYEnxxG18MlaFsVcotFElbBA9zwMdrRb6DV/ynEIDqVfNrXxX/hUtCRp1gfx5bGwftebyHIhpRXsu3IpEFTYIFsnybjgDsFTq/IqwTMhK8FeWipXL72iw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=QcNKtXEI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="QcNKtXEI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2ECCC116C6; Mon, 9 Feb 2026 14:55:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770648947; bh=Im2ScG66KNKrMWAR76NUnHpZAMcl22c9VR3u+siaoes=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QcNKtXEIfF0kNFr4d7/Y3ga5sFeQ7s9Mhdrtn7vWTOD2Wb8dmLCUnKKaHq6DGYTTh mTonQic4qkziOm68RAKgghZ5E6y+uo8hHgUVkd5WO++gLEKxgpb1b3cgqLnK7kJZLb O1aikibj4FV297JM7GckzO+y7CynIkqZ/8j6k7KU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Benjamin Tissoires , DaytonCL , Benjamin Tissoires , Sasha Levin Subject: [PATCH 5.15 29/75] HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL Date: Mon, 9 Feb 2026 15:24:26 +0100 Message-ID: <20260209142302.897119734@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260209142301.830618238@linuxfoundation.org> References: <20260209142301.830618238@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: DaytonCL [ Upstream commit ff3f234ff1dcd6d626a989151db067a1b7f0f215 ] 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 Signed-off-by: Benjamin Tissoires Signed-off-by: Sasha Levin --- 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 5dec035c5c1d3..5c40790b977ee 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -379,6 +379,7 @@ 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, -- 2.51.0