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 5155E28382; Thu, 13 Feb 2025 14:36:06 +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=1739457366; cv=none; b=ryF/HbhJIc6JpGxs2OUotd4W/AB9UWaFln6a7FGXw956jWZAH4dvPmmVdiqWIxKl74JF8QU8DRA7r+EBFLTF+hV7QZBIp6FRVIKXMOsxIqLiYiDZk/mztSvi5dV0h12NbRHXZU6nVFocXNhrTpqo0zta0L+/IeJ+zjaNObZS1Wc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739457366; c=relaxed/simple; bh=ltzvDAwSjFH9LaJGUOi2KnmH4aFgsAVm2kIR2WzAh8w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CHaw6fw8qBCJzt80PpqKbSe1DK3ah+3Wa8r3x4+djZ2j/qEKw+IfgXPm0kCnBQApxac9YXgnvyVBkH8ZIoiN8Qj7dVg1nVlZpyURfkGP8fq4FVrW19rdPO+5kfmQLV+uwe4iMq4nV6O5yynTrxLhoCL5BLagL2yYuwfaAOkHIj4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KAoA+R1X; 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="KAoA+R1X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5E03C4CED1; Thu, 13 Feb 2025 14:36:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739457366; bh=ltzvDAwSjFH9LaJGUOi2KnmH4aFgsAVm2kIR2WzAh8w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KAoA+R1X3QgO5PxNz6/5Jdx0bM1303s2Wt42fVYCzrmSXXz2myct8VsDZiifDWEbW I4xYaGoaWIiuoW8GQcrGGfbkzaHMZS3deeXPvS5nD8BSK1OSKXXVaew6Eevwf1WLWU LDptEit190MtL8fx1qQBGCmoWciXokDaj7hn/pZA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Enze Xie , Youwan Wang , Jiri Kosina , Sasha Levin Subject: [PATCH 6.12 057/422] HID: multitouch: Add quirk for Hantick 5288 touchpad Date: Thu, 13 Feb 2025 15:23:26 +0100 Message-ID: <20250213142438.762760263@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250213142436.408121546@linuxfoundation.org> References: <20250213142436.408121546@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Youwan Wang [ Upstream commit b5e65ae557da9fd17b08482ee44ee108ba636182 ] This device sometimes doesn't send touch release signals when moving from >=2 fingers to <2 fingers. Using MT_QUIRK_NOT_SEEN_MEANS_UP instead of MT_QUIRK_ALWAYS_VALID makes sure that no touches become stuck. Signed-off-by: Enze Xie Signed-off-by: Youwan Wang Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-multitouch.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index e07d63db5e1f4..369414c92fccb 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2308,6 +2308,11 @@ static const struct hid_device_id mt_devices[] = { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_SIS_TOUCH, HID_ANY_ID) }, + /* Hantick */ + { .driver_data = MT_CLS_NSMU, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288) }, + /* Generic MT device */ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, -- 2.39.5