From 95cd2cdc88c755dcd0a58b951faeb77742c733a4 Mon Sep 17 00:00:00 2001
From: Tao Jin <tao-j@outlook.com>
Date: Sun, 3 Apr 2022 12:57:44 -0400
Subject: HID: multitouch: add quirks to enable Lenovo X12 trackpoint
This applies the similar quirks used by previous generation devices
such as X1 tablet for X12 tablet, so that the trackpoint and buttons
can work.
This patch was applied and tested working on 5.17.1 .
Cc: stable@vger.kernel.org # 5.8+ given that it relies on 40d5bb87377a
Signed-off-by: Tao Jin <tao-j@outlook.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/CO6PR03MB6241CB276FCDC7F4CEDC34F6E1E29@CO6PR03MB6241.namprd03.prod.outlook.com
---
drivers/hid/hid-ids.h | 1 +
drivers/hid/hid-multitouch.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 053853a891c5..c297c63f3ec5 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -768,6 +768,7 @@
#define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085
#define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3
#define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5
+#define USB_DEVICE_ID_LENOVO_X12_TAB 0x60fe
#define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E 0x600e
#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d
#define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019 0x6019
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 99eabfb4145b..0dece608c023 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2034,6 +2034,12 @@ static const struct hid_device_id mt_devices[] = {
USB_VENDOR_ID_LENOVO,
USB_DEVICE_ID_LENOVO_X1_TAB3) },
+ /* Lenovo X12 TAB Gen 1 */
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_LENOVO,
+ USB_DEVICE_ID_LENOVO_X12_TAB) },
+
/* MosArt panels */
{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
--
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