HID: hid-multitouch: add support for GoodTouch panels

This patch introduce support for GoodTouch panels.
This device has not been optimized in term of kernel processing
operations (default class), but it will work.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/Kconfig

@@ -308,6 +308,7 @@ config HID_MULTITOUCH
 	  - CVTouch panels
 	  - Cypress TrueTouch panels
 	  - Elo TouchSystems IntelliTouch Plus panels
+	  - GoodTouch panels
 	  - Hanvon dual touch panels
 	  - Ilitek dual touch panel
 	  - IrTouch Infrared USB panels

drivers/hid/hid-core.c

@@ -1374,6 +1374,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },

drivers/hid/hid-ids.h

@@ -258,6 +258,9 @@
 #define USB_DEVICE_ID_0_8_8_IF_KIT	0x0053
 #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL	0x0058
 
+#define USB_VENDOR_ID_GOODTOUCH		0x1aad
+#define USB_DEVICE_ID_GOODTOUCH_000f	0x000f
+
 #define USB_VENDOR_ID_GOTOP		0x08f2
 #define USB_DEVICE_ID_SUPER_Q2		0x007f
 #define USB_DEVICE_ID_GOGOPEN		0x00ce

drivers/hid/hid-multitouch.c

@@ -609,6 +609,11 @@ static const struct hid_device_id mt_devices[] = {
 		HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
 			USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
 
+	/* GoodTouch panels */
+	{ .driver_data = MT_CLS_DEFAULT,
+		HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
+			USB_DEVICE_ID_GOODTOUCH_000f) },
+
 	/* Ilitek dual touch panel */
 	{  .driver_data = MT_CLS_DEFAULT,
 		HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,