HID: hid-multitouch: add support for Ilitek dual-touch panel

Added ILITEK hid dual touch panel support into hid-multitouch.
Signed-off-by: Austin Zhang <zhang.austin@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/Kconfig

@@ -306,6 +306,7 @@ config HID_MULTITOUCH
 	  - Cando dual touch panel
 	  - Cypress TrueTouch panels
 	  - Hanvon dual touch panels
+	  - Ilitek dual touch panel
 	  - IrTouch Infrared USB panels
 	  - MosArt dual-touch panels
 	  - PenMount dual touch panels

drivers/hid/hid-core.c

@@ -1377,6 +1377,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },

drivers/hid/hid-ids.h

@@ -330,6 +330,9 @@
 #define USB_DEVICE_ID_UGCI_FLYING	0x0020
 #define USB_DEVICE_ID_UGCI_FIGHTING	0x0030
 
+#define USB_VENDOR_ID_ILITEK		0x222a
+#define USB_DEVICE_ID_ILITEK_MULTITOUCH	0x0001
+
 #define USB_VENDOR_ID_IMATION		0x0718
 #define USB_DEVICE_ID_DISC_STAKKA	0xd000
 

drivers/hid/hid-multitouch.c

@@ -589,6 +589,11 @@ static const struct hid_device_id mt_devices[] = {
 		HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
 			USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
 
+	/* Ilitek dual touch panel */
+	{  .driver_data = MT_CLS_DEFAULT,
+		HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,
+			USB_DEVICE_ID_ILITEK_MULTITOUCH) },
+
 	/* IRTOUCH panels */
 	{ .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
 		HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,