[PATCH] HID: multitouch: add support for Type Cover Pro 3

Include Microsoft Type Cover 3 support into hid-multitouch.c
Allow touchpad device to have multitouch functionality.

Signed-off-by: Dennis Chen <redacted>
---
 drivers/hid/Kconfig          |  1 +
 drivers/hid/hid-multitouch.c | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 5646ca4..5af0603 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig

@@ -530,6 +530,7 @@ config HID_MULTITOUCH

 	  - IrTouch Infrared USB panels
 	  - LG Display panels (Dell ST2220Tc)
 	  - Lumio CrystalTouch panels
+	  - Microsoft Type Cover 3 touchpad
 	  - MosArt dual-touch panels
 	  - Panasonic multitouch panels
 	  - PenMount dual touch panels

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index c741f5e..f052ed2 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c

@@ -1377,6 +1377,20 @@ static const struct hid_device_id mt_devices[] = {

 		MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
 			USB_DEVICE_ID_ILITEK_MULTITOUCH) },
 
+	/* Microsoft Type Cover 3 touchpad */
+	{ .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
+		MT_USB_DEVICE(USB_VENDOR_ID_MICROSOFT,
+			USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
+	{ .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
+		MT_USB_DEVICE(USB_VENDOR_ID_MICROSOFT,
+			USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
+	{ .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
+		MT_USB_DEVICE(USB_VENDOR_ID_MICROSOFT,
+			USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
+	{ .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
+		MT_USB_DEVICE(USB_VENDOR_ID_MICROSOFT,
+			USB_DEVICE_ID_MS_TYPE_COVER_3) },
+
 	/* MosArt panels */
 	{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
 		MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
-- 
2.5.5