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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Kenneth Albanowski <kenalba@chromium.org>,
	Jiri Kosina <jkosina@suse.com>, Sasha Levin <sashal@kernel.org>,
	jikos@kernel.org, bentiss@kernel.org,
	linux-input@vger.kernel.org
Subject: [PATCH AUTOSEL 5.15 4/7] HID: multitouch: Add quirk for Logitech Bolt receiver w/ Casa touchpad
Date: Mon, 28 Oct 2024 06:53:06 -0400	[thread overview]
Message-ID: <20241028105311.3560419-4-sashal@kernel.org> (raw)
In-Reply-To: <20241028105311.3560419-1-sashal@kernel.org>

From: Kenneth Albanowski <kenalba@chromium.org>

[ Upstream commit 526748b925185e95f1415900ee13c2469d4b64cc ]

The Logitech Casa Touchpad does not reliably send touch release signals
when communicating through the Logitech Bolt wireless-to-USB receiver.

Adjusting the device class to add MT_QUIRK_NOT_SEEN_MEANS_UP to make
sure that no touches become stuck, MT_QUIRK_FORCE_MULTI_INPUT is not
needed, but harmless.

Linux does not have information on which devices are connected to the
Bolt receiver, so we have to enable this for the entire device.

Signed-off-by: Kenneth Albanowski <kenalba@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-ids.h        | 1 +
 drivers/hid/hid-multitouch.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 110c59622a2d8..81db294dda408 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -831,6 +831,7 @@
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1	0xc539
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1	0xc53f
 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY	0xc53a
+#define USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER	0xc548
 #define USB_DEVICE_ID_SPACETRAVELLER	0xc623
 #define USB_DEVICE_ID_SPACENAVIGATOR	0xc626
 #define USB_DEVICE_ID_DINOVO_DESKTOP	0xc704
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 6a3f4371bd109..9b7ec01cc7c6d 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2125,6 +2125,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_LOGITECH,
 			USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD) },
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_LOGITECH,
+			USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER) },
 
 	/* MosArt panels */
 	{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
-- 
2.43.0


       reply	other threads:[~2024-10-28 10:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20241028105311.3560419-1-sashal@kernel.org>
2024-10-28 10:53 ` Sasha Levin [this message]
2024-10-28 10:53 ` [PATCH AUTOSEL 5.15 5/7] HID: lenovo: Add support for Thinkpad X1 Tablet Gen 3 keyboard Sasha Levin

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