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

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 053853a891c50b07b55baae421275d382c332cfc..c297c63f3ec5c41a56f65bf594e6baa9da60d33d 100644 (file)
--- 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 99eabfb4145b50b882564f41eb339cca9eb0c926..0dece608c023a6536e552d3420977d05c1945dc1 100644 (file)
--- 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,