linux-kernel - [PATCH] HID: multitouch: Add required quirk for Synaptics 0xcddc device

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Message-ID:
 <CWLP123MB547355BA62AD835719F60865C5492@CWLP123MB5473.GBRP123.PROD.OUTLOOK.COM>
Date: Sun, 11 Feb 2024 19:04:29 +0000
From: Manuel Fombuena <fombuena@...look.com>
To: Jiri Kosina <jikos@...nel.org>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Manuel Fombuena <fombuena@...look.com>
Subject: [PATCH] HID: multitouch: Add required quirk for Synaptics 0xcddc device

Add support for the pointing stick (Accupoint) and 2 mouse buttons.

Present on some Toshiba/dynabook Portege X30 and X40 laptops.

It should close https://bugzilla.kernel.org/show_bug.cgi?id=205817

Signed-off-by: Manuel Fombuena <fombuena@...look.com>
---
 drivers/hid/hid-multitouch.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index fd5b0637dad6..3e91e4d6ba6f 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2151,6 +2151,10 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_SYNAPTICS, 0xcd7e) },
 
+	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			USB_VENDOR_ID_SYNAPTICS, 0xcddc) },
+
 	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
 		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
 			USB_VENDOR_ID_SYNAPTICS, 0xce08) },
-- 
2.43.0