HID: logitech-dj: Fix forwarding of very long HID++ reports

The HID++ spec also defines very long HID++ reports, with a reportid of
0x12. The MX5000 and MX5500 keyboards use 0x12 output reports for sending
messages to display on their buildin LCD.

Userspace (libmx5000) supports this, in order for this to work when talking
to the HID devices instantiated for the keyboard by hid-logitech-dj,
we need to properly forward these reports to the device.

This commit fixes logi_dj_ll_raw_request not forwarding these reports.

Fixes: f2113c30 ("HID: logitech-dj: add support for Logitech Bluetooth Mini-Receiver")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-logitech-dj.c

@@ -45,6 +45,7 @@
 
 #define REPORT_ID_HIDPP_SHORT			0x10
 #define REPORT_ID_HIDPP_LONG			0x11
+#define REPORT_ID_HIDPP_VERY_LONG		0x12
 
 #define HIDPP_REPORT_SHORT_LENGTH		7
 #define HIDPP_REPORT_LONG_LENGTH		20
@@ -1257,7 +1258,8 @@ static int logi_dj_ll_raw_request(struct hid_device *hid,
 	int ret;
 
 	if ((buf[0] == REPORT_ID_HIDPP_SHORT) ||
-	    (buf[0] == REPORT_ID_HIDPP_LONG)) {
+	    (buf[0] == REPORT_ID_HIDPP_LONG) ||
+	    (buf[0] == REPORT_ID_HIDPP_VERY_LONG)) {
 		if (count < 2)
 			return -EINVAL;