[media] rc-ir-raw: do not generate any receiving thread for raw transmitters

Raw IR transmitters do not need any thread listening for
occurring events. Check the driver type before running the
thread.
Signed-off-by: NAndi Shyti <andi.shyti@samsung.com>
Signed-off-by: NSean Young <sean@mess.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/rc/rc-ir-raw.c

@@ -502,6 +502,11 @@ int ir_raw_event_register(struct rc_dev *dev)
 	dev->change_protocol = change_protocol;
 	INIT_KFIFO(dev->raw->kfifo);
 
+	/*
+	 * raw transmitters do not need any event registration
+	 * because the event is coming from userspace
+	 */
+	if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
 		dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw,
 					       "rc%u", dev->minor);
 
@@ -509,6 +514,7 @@ int ir_raw_event_register(struct rc_dev *dev)
 			rc = PTR_ERR(dev->raw->thread);
 			goto out;
 		}
+	}
 
 	mutex_lock(&ir_raw_handler_lock);
 	list_add_tail(&dev->raw->list, &ir_raw_client_list);