61 static struct v4l2_async_subdev *v4l2_async_belongs(struct v4l2_async_notifier *notifier,  in v4l2_async_belongs()  argument
67 	list_for_each_entry(asd, &notifier->waiting, list) {  in v4l2_async_belongs()
96 static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier,  in v4l2_async_test_notify()  argument
105 	sd->notifier = notifier;  in v4l2_async_test_notify()
107 	if (notifier->bound) {  in v4l2_async_test_notify()
108 		ret = notifier->bound(notifier, sd, asd);  in v4l2_async_test_notify()
113 	list_move(&sd->async_list, &notifier->done);  in v4l2_async_test_notify()
115 	ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);  in v4l2_async_test_notify()
117 		if (notifier->unbind)  in v4l2_async_test_notify()
118 			notifier->unbind(notifier, sd, asd);  in v4l2_async_test_notify()
122 	if (list_empty(&notifier->waiting) && notifier->complete)  in v4l2_async_test_notify()
123 		return notifier->complete(notifier);  in v4l2_async_test_notify()
138 				 struct v4l2_async_notifier *notifier)  in v4l2_async_notifier_register()  argument
144 	if (!notifier->num_subdevs || notifier->num_subdevs > V4L2_MAX_SUBDEVS)  in v4l2_async_notifier_register()
147 	notifier->v4l2_dev = v4l2_dev;  in v4l2_async_notifier_register()
148 	INIT_LIST_HEAD(&notifier->waiting);  in v4l2_async_notifier_register()
149 	INIT_LIST_HEAD(&notifier->done);  in v4l2_async_notifier_register()
151 	for (i = 0; i < notifier->num_subdevs; i++) {  in v4l2_async_notifier_register()
152 		asd = notifier->subdevs[i];  in v4l2_async_notifier_register()
161 			dev_err(notifier->v4l2_dev ? notifier->v4l2_dev->dev : NULL,  in v4l2_async_notifier_register()
166 		list_add_tail(&asd->list, &notifier->waiting);  in v4l2_async_notifier_register()
172 	list_add(&notifier->list, &notifier_list);  in v4l2_async_notifier_register()
177 		asd = v4l2_async_belongs(notifier, sd);  in v4l2_async_notifier_register()
181 		ret = v4l2_async_test_notify(notifier, sd, asd);  in v4l2_async_notifier_register()
194 void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)  in v4l2_async_notifier_unregister()  argument
197 	unsigned int notif_n_subdev = notifier->num_subdevs;  in v4l2_async_notifier_unregister()
202 	if (!notifier->v4l2_dev)  in v4l2_async_notifier_unregister()
207 		dev_err(notifier->v4l2_dev->dev,  in v4l2_async_notifier_unregister()
213 	list_del(&notifier->list);  in v4l2_async_notifier_unregister()
215 	list_for_each_entry_safe(sd, tmp, &notifier->done, async_list) {  in v4l2_async_notifier_unregister()
225 		if (notifier->unbind)  in v4l2_async_notifier_unregister()
226 			notifier->unbind(notifier, sd, sd->asd);  in v4l2_async_notifier_unregister()
263 	notifier->v4l2_dev = NULL;  in v4l2_async_notifier_unregister()
274 	struct v4l2_async_notifier *notifier;  in v4l2_async_register_subdev()  local
288 	list_for_each_entry(notifier, &notifier_list, list) {  in v4l2_async_register_subdev()
289 		struct v4l2_async_subdev *asd = v4l2_async_belongs(notifier, sd);  in v4l2_async_register_subdev()
291 			int ret = v4l2_async_test_notify(notifier, sd, asd);  in v4l2_async_register_subdev()
308 	struct v4l2_async_notifier *notifier = sd->notifier;  in v4l2_async_unregister_subdev()  local
318 	list_add(&sd->asd->list, &notifier->waiting);  in v4l2_async_unregister_subdev()
322 	if (notifier->unbind)  in v4l2_async_unregister_subdev()
323 		notifier->unbind(notifier, sd, sd->asd);  in v4l2_async_unregister_subdev()