HID: rmi: Add support for the touchpad in the Razer Blade 14 laptop

Have hid-rmi handle all of the Razer Blade HID devices that are part of the
composite USB device. This will allow hid-rmi to operate the touchpad in rmi
mode while passing events from the other devices to hid-input.

Signed-off-by: Andrew Duggan <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>

Author: aduggan-syna

drivers/hid/hid-core.c

@@ -1982,6 +1982,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
 	{ }
 };
 

drivers/hid/hid-ids.h

@@ -767,6 +767,9 @@
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001		0x3001
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008		0x3008
 
+#define USB_VENDOR_ID_RAZER            0x1532
+#define USB_DEVICE_ID_RAZER_BLADE_14   0x011D
+
 #define USB_VENDOR_ID_REALTEK		0x0bda
 #define USB_DEVICE_ID_REALTEK_READER	0x0152
 

drivers/hid/hid-rmi.c

@@ -1082,6 +1082,8 @@ static void rmi_remove(struct hid_device *hdev)
 }
 
 static const struct hid_device_id rmi_id[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14),
+		.driver_data = RMI_DEVICE_HAS_PHYS_BUTTONS },
 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID) },
 	{ }
 };