HID: logitech-hidpp: handle devices attached to 27MHz wireless receivers

Logitech 27MHz devices are HID++ devices, so handle them in the hidpp
driver, this enables battery monitoring on these devices (and more in
follow-up patches).

Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Benjamin Tissoires <[email protected]>
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 2434260..e8a552c 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -3420,6 +3420,10 @@ static void hidpp_remove(struct hid_device *hdev)
 	HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, \
 		   USB_VENDOR_ID_LOGITECH, (product))
 
+#define L27MHZ_DEVICE(product) \
+	HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_27MHZ_DEVICE, \
+		   USB_VENDOR_ID_LOGITECH, (product))
+
 static const struct hid_device_id hidpp_devices[] = {
 	{ /* wireless touchpad */
 	  LDJ_DEVICE(0x4011),
@@ -3474,6 +3478,8 @@ static const struct hid_device_id hidpp_devices[] = {
 
 	{ LDJ_DEVICE(HID_ANY_ID) },
 
+	{ L27MHZ_DEVICE(HID_ANY_ID) },
+
 	{ /* Logitech G403 Gaming Mouse over USB */
 	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC082) },
 	{ /* Logitech G700 Gaming Mouse over USB */