51 static struct v4l2_async_subdev *v4l2_async_belongs(struct v4l2_async_notifier *notifier,  in v4l2_async_belongs()  argument
57 	list_for_each_entry(asd, &notifier->waiting, list) {  in v4l2_async_belongs()
89 static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier,  in v4l2_async_test_notify()  argument
98 	sd->notifier = notifier;  in v4l2_async_test_notify()
100 	if (notifier->bound) {  in v4l2_async_test_notify()
101 		ret = notifier->bound(notifier, sd, asd);  in v4l2_async_test_notify()
106 	list_move(&sd->async_list, &notifier->done);  in v4l2_async_test_notify()
108 	ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);  in v4l2_async_test_notify()
110 		if (notifier->unbind)  in v4l2_async_test_notify()
111 			notifier->unbind(notifier, sd, asd);  in v4l2_async_test_notify()
115 	if (list_empty(&notifier->waiting) && notifier->complete)  in v4l2_async_test_notify()
116 		return notifier->complete(notifier);  in v4l2_async_test_notify()
131 				 struct v4l2_async_notifier *notifier)  in v4l2_async_notifier_register()  argument
137 	if (!notifier->num_subdevs || notifier->num_subdevs > V4L2_MAX_SUBDEVS)  in v4l2_async_notifier_register()
140 	notifier->v4l2_dev = v4l2_dev;  in v4l2_async_notifier_register()
141 	INIT_LIST_HEAD(&notifier->waiting);  in v4l2_async_notifier_register()
142 	INIT_LIST_HEAD(&notifier->done);  in v4l2_async_notifier_register()
144 	for (i = 0; i < notifier->num_subdevs; i++) {  in v4l2_async_notifier_register()
145 		asd = notifier->subdevs[i];  in v4l2_async_notifier_register()
154 			dev_err(notifier->v4l2_dev ? notifier->v4l2_dev->dev : NULL,  in v4l2_async_notifier_register()
159 		list_add_tail(&asd->list, &notifier->waiting);  in v4l2_async_notifier_register()
165 	list_add(&notifier->list, &notifier_list);  in v4l2_async_notifier_register()
170 		asd = v4l2_async_belongs(notifier, sd);  in v4l2_async_notifier_register()
174 		ret = v4l2_async_test_notify(notifier, sd, asd);  in v4l2_async_notifier_register()
187 void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)  in v4l2_async_notifier_unregister()  argument
190 	unsigned int notif_n_subdev = notifier->num_subdevs;  in v4l2_async_notifier_unregister()
195 	if (!notifier->v4l2_dev)  in v4l2_async_notifier_unregister()
200 		dev_err(notifier->v4l2_dev->dev,  in v4l2_async_notifier_unregister()
206 	list_del(&notifier->list);  in v4l2_async_notifier_unregister()
208 	list_for_each_entry_safe(sd, tmp, &notifier->done, async_list) {  in v4l2_async_notifier_unregister()
218 		if (notifier->unbind)  in v4l2_async_notifier_unregister()
219 			notifier->unbind(notifier, sd, sd->asd);  in v4l2_async_notifier_unregister()
256 	notifier->v4l2_dev = NULL;  in v4l2_async_notifier_unregister()
267 	struct v4l2_async_notifier *notifier;  in v4l2_async_register_subdev()  local
273 	list_for_each_entry(notifier, &notifier_list, list) {  in v4l2_async_register_subdev()
274 		struct v4l2_async_subdev *asd = v4l2_async_belongs(notifier, sd);  in v4l2_async_register_subdev()
276 			int ret = v4l2_async_test_notify(notifier, sd, asd);  in v4l2_async_register_subdev()
293 	struct v4l2_async_notifier *notifier = sd->notifier;  in v4l2_async_unregister_subdev()  local
303 	list_add(&sd->asd->list, &notifier->waiting);  in v4l2_async_unregister_subdev()
307 	if (notifier->unbind)  in v4l2_async_unregister_subdev()
308 		notifier->unbind(notifier, sd, sd->asd);  in v4l2_async_unregister_subdev()