7 files changed, 183 insertions, 168 deletions

diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index cd9e78c63791..0404267f1ae4 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -24,9 +24,9 @@
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
-static int v4l2_async_notifier_call_bound(struct v4l2_async_notifier *n,
-					  struct v4l2_subdev *subdev,
-					  struct v4l2_async_subdev *asd)
+static int v4l2_async_nf_call_bound(struct v4l2_async_notifier *n,
+				    struct v4l2_subdev *subdev,
+				    struct v4l2_async_subdev *asd)
 {
 	if (!n->ops || !n->ops->bound)
 		return 0;
@@ -34,9 +34,9 @@ static int v4l2_async_notifier_call_bound(struct v4l2_async_notifier *n,
 	return n->ops->bound(n, subdev, asd);
 }
 
-static void v4l2_async_notifier_call_unbind(struct v4l2_async_notifier *n,
-					    struct v4l2_subdev *subdev,
-					    struct v4l2_async_subdev *asd)
+static void v4l2_async_nf_call_unbind(struct v4l2_async_notifier *n,
+				      struct v4l2_subdev *subdev,
+				      struct v4l2_async_subdev *asd)
 {
 	if (!n->ops || !n->ops->unbind)
 		return;
@@ -44,7 +44,7 @@ static void v4l2_async_notifier_call_unbind(struct v4l2_async_notifier *n,
 	n->ops->unbind(n, subdev, asd);
 }
 
-static int v4l2_async_notifier_call_complete(struct v4l2_async_notifier *n)
+static int v4l2_async_nf_call_complete(struct v4l2_async_notifier *n)
 {
 	if (!n->ops || !n->ops->complete)
 		return 0;
@@ -215,7 +215,7 @@ v4l2_async_find_subdev_notifier(struct v4l2_subdev *sd)
 
 /* Get v4l2_device related to the notifier if one can be found. */
 static struct v4l2_device *
-v4l2_async_notifier_find_v4l2_dev(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_find_v4l2_dev(struct v4l2_async_notifier *notifier)
 {
 	while (notifier->parent)
 		notifier = notifier->parent;
@@ -227,7 +227,7 @@ v4l2_async_notifier_find_v4l2_dev(struct v4l2_async_notifier *notifier)
  * Return true if all child sub-device notifiers are complete, false otherwise.
  */
 static bool
-v4l2_async_notifier_can_complete(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_can_complete(struct v4l2_async_notifier *notifier)
 {
 	struct v4l2_subdev *sd;
 
@@ -239,7 +239,7 @@ v4l2_async_notifier_can_complete(struct v4l2_async_notifier *notifier)
 			v4l2_async_find_subdev_notifier(sd);
 
 		if (subdev_notifier &&
-		    !v4l2_async_notifier_can_complete(subdev_notifier))
+		    !v4l2_async_nf_can_complete(subdev_notifier))
 			return false;
 	}
 
@@ -251,7 +251,7 @@ v4l2_async_notifier_can_complete(struct v4l2_async_notifier *notifier)
  * sub-devices have been bound; v4l2_device is also available then.
  */
 static int
-v4l2_async_notifier_try_complete(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_try_complete(struct v4l2_async_notifier *notifier)
 {
 	/* Quick check whether there are still more sub-devices here. */
 	if (!list_empty(&notifier->waiting))
@@ -266,14 +266,14 @@ v4l2_async_notifier_try_complete(struct v4l2_async_notifier *notifier)
 		return 0;
 
 	/* Is everything ready? */
-	if (!v4l2_async_notifier_can_complete(notifier))
+	if (!v4l2_async_nf_can_complete(notifier))
 		return 0;
 
-	return v4l2_async_notifier_call_complete(notifier);
+	return v4l2_async_nf_call_complete(notifier);
 }
 
 static int
-v4l2_async_notifier_try_all_subdevs(struct v4l2_async_notifier *notifier);
+v4l2_async_nf_try_all_subdevs(struct v4l2_async_notifier *notifier);
 
 static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
 				   struct v4l2_device *v4l2_dev,
@@ -287,7 +287,7 @@ static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
 	if (ret < 0)
 		return ret;
 
-	ret = v4l2_async_notifier_call_bound(notifier, sd, asd);
+	ret = v4l2_async_nf_call_bound(notifier, sd, asd);
 	if (ret < 0) {
 		v4l2_device_unregister_subdev(sd);
 		return ret;
@@ -315,15 +315,15 @@ static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
 	 */
 	subdev_notifier->parent = notifier;
 
-	return v4l2_async_notifier_try_all_subdevs(subdev_notifier);
+	return v4l2_async_nf_try_all_subdevs(subdev_notifier);
 }
 
 /* Test all async sub-devices in a notifier for a match. */
 static int
-v4l2_async_notifier_try_all_subdevs(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_try_all_subdevs(struct v4l2_async_notifier *notifier)
 {
 	struct v4l2_device *v4l2_dev =
-		v4l2_async_notifier_find_v4l2_dev(notifier);
+		v4l2_async_nf_find_v4l2_dev(notifier);
 	struct v4l2_subdev *sd;
 
 	if (!v4l2_dev)
@@ -367,7 +367,7 @@ static void v4l2_async_cleanup(struct v4l2_subdev *sd)
 
 /* Unbind all sub-devices in the notifier tree. */
 static void
-v4l2_async_notifier_unbind_all_subdevs(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_unbind_all_subdevs(struct v4l2_async_notifier *notifier)
 {
 	struct v4l2_subdev *sd, *tmp;
 
@@ -376,9 +376,9 @@ v4l2_async_notifier_unbind_all_subdevs(struct v4l2_async_notifier *notifier)
 			v4l2_async_find_subdev_notifier(sd);
 
 		if (subdev_notifier)
-			v4l2_async_notifier_unbind_all_subdevs(subdev_notifier);
+			v4l2_async_nf_unbind_all_subdevs(subdev_notifier);
 
-		v4l2_async_notifier_call_unbind(notifier, sd, sd->asd);
+		v4l2_async_nf_call_unbind(notifier, sd, sd->asd);
 		v4l2_async_cleanup(sd);
 
 		list_move(&sd->async_list, &subdev_list);
@@ -389,8 +389,8 @@ v4l2_async_notifier_unbind_all_subdevs(struct v4l2_async_notifier *notifier)
 
 /* See if an async sub-device can be found in a notifier's lists. */
 static bool
-__v4l2_async_notifier_has_async_subdev(struct v4l2_async_notifier *notifier,
-				       struct v4l2_async_subdev *asd)
+__v4l2_async_nf_has_async_subdev(struct v4l2_async_notifier *notifier,
+				 struct v4l2_async_subdev *asd)
 {
 	struct v4l2_async_subdev *asd_y;
 	struct v4l2_subdev *sd;
@@ -416,9 +416,8 @@ __v4l2_async_notifier_has_async_subdev(struct v4l2_async_notifier *notifier,
  * If @this_index < 0, search the notifier's entire @asd_list.
  */
 static bool
-v4l2_async_notifier_has_async_subdev(struct v4l2_async_notifier *notifier,
-				     struct v4l2_async_subdev *asd,
-				     int this_index)
+v4l2_async_nf_has_async_subdev(struct v4l2_async_notifier *notifier,
+			       struct v4l2_async_subdev *asd, int this_index)
 {
 	struct v4l2_async_subdev *asd_y;
 	int j = 0;
@@ -435,15 +434,15 @@ v4l2_async_notifier_has_async_subdev(struct v4l2_async_notifier *notifier,
 
 	/* Check that an asd does not exist in other notifiers. */
 	list_for_each_entry(notifier, &notifier_list, list)
-		if (__v4l2_async_notifier_has_async_subdev(notifier, asd))
+		if (__v4l2_async_nf_has_async_subdev(notifier, asd))
 			return true;
 
 	return false;
 }
 
-static int v4l2_async_notifier_asd_valid(struct v4l2_async_notifier *notifier,
-					 struct v4l2_async_subdev *asd,
-					 int this_index)
+static int v4l2_async_nf_asd_valid(struct v4l2_async_notifier *notifier,
+				   struct v4l2_async_subdev *asd,
+				   int this_index)
 {
 	struct device *dev =
 		notifier->v4l2_dev ? notifier->v4l2_dev->dev : NULL;
@@ -454,8 +453,7 @@ static int v4l2_async_notifier_asd_valid(struct v4l2_async_notifier *notifier,
 	switch (asd->match_type) {
 	case V4L2_ASYNC_MATCH_I2C:
 	case V4L2_ASYNC_MATCH_FWNODE:
-		if (v4l2_async_notifier_has_async_subdev(notifier, asd,
-							 this_index)) {
+		if (v4l2_async_nf_has_async_subdev(notifier, asd, this_index)) {
 			dev_dbg(dev, "subdev descriptor already listed in this or other notifiers\n");
 			return -EEXIST;
 		}
@@ -469,13 +467,13 @@ static int v4l2_async_notifier_asd_valid(struct v4l2_async_notifier *notifier,
 	return 0;
 }
 
-void v4l2_async_notifier_init(struct v4l2_async_notifier *notifier)
+void v4l2_async_nf_init(struct v4l2_async_notifier *notifier)
 {
 	INIT_LIST_HEAD(&notifier->asd_list);
 }
-EXPORT_SYMBOL(v4l2_async_notifier_init);
+EXPORT_SYMBOL(v4l2_async_nf_init);
 
-static int __v4l2_async_notifier_register(struct v4l2_async_notifier *notifier)
+static int __v4l2_async_nf_register(struct v4l2_async_notifier *notifier)
 {
 	struct v4l2_async_subdev *asd;
 	int ret, i = 0;
@@ -486,18 +484,18 @@ static int __v4l2_async_notifier_register(struct v4l2_async_notifier *notifier)
 	mutex_lock(&list_lock);
 
 	list_for_each_entry(asd, &notifier->asd_list, asd_list) {
-		ret = v4l2_async_notifier_asd_valid(notifier, asd, i++);
+		ret = v4l2_async_nf_asd_valid(notifier, asd, i++);
 		if (ret)
 			goto err_unlock;
 
 		list_add_tail(&asd->list, &notifier->waiting);
 	}
 
-	ret = v4l2_async_notifier_try_all_subdevs(notifier);
+	ret = v4l2_async_nf_try_all_subdevs(notifier);
 	if (ret < 0)
 		goto err_unbind;
 
-	ret = v4l2_async_notifier_try_complete(notifier);
+	ret = v4l2_async_nf_try_complete(notifier);
 	if (ret < 0)
 		goto err_unbind;
 
@@ -512,7 +510,7 @@ err_unbind:
 	/*
 	 * On failure, unbind all sub-devices registered through this notifier.
 	 */
-	v4l2_async_notifier_unbind_all_subdevs(notifier);
+	v4l2_async_nf_unbind_all_subdevs(notifier);
 
 err_unlock:
 	mutex_unlock(&list_lock);
@@ -520,8 +518,8 @@ err_unlock:
 	return ret;
 }
 
-int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev,
-				 struct v4l2_async_notifier *notifier)
+int v4l2_async_nf_register(struct v4l2_device *v4l2_dev,
+			   struct v4l2_async_notifier *notifier)
 {
 	int ret;
 
@@ -530,16 +528,16 @@ int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev,
 
 	notifier->v4l2_dev = v4l2_dev;
 
-	ret = __v4l2_async_notifier_register(notifier);
+	ret = __v4l2_async_nf_register(notifier);
 	if (ret)
 		notifier->v4l2_dev = NULL;
 
 	return ret;
 }
-EXPORT_SYMBOL(v4l2_async_notifier_register);
+EXPORT_SYMBOL(v4l2_async_nf_register);
 
-int v4l2_async_subdev_notifier_register(struct v4l2_subdev *sd,
-					struct v4l2_async_notifier *notifier)
+int v4l2_async_subdev_nf_register(struct v4l2_subdev *sd,
+				  struct v4l2_async_notifier *notifier)
 {
 	int ret;
 
@@ -548,21 +546,21 @@ int v4l2_async_subdev_notifier_register(struct v4l2_subdev *sd,
 
 	notifier->sd = sd;
 
-	ret = __v4l2_async_notifier_register(notifier);
+	ret = __v4l2_async_nf_register(notifier);
 	if (ret)
 		notifier->sd = NULL;
 
 	return ret;
 }
-EXPORT_SYMBOL(v4l2_async_subdev_notifier_register);
+EXPORT_SYMBOL(v4l2_async_subdev_nf_register);
 
 static void
-__v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
+__v4l2_async_nf_unregister(struct v4l2_async_notifier *notifier)
 {
 	if (!notifier || (!notifier->v4l2_dev && !notifier->sd))
 		return;
 
-	v4l2_async_notifier_unbind_all_subdevs(notifier);
+	v4l2_async_nf_unbind_all_subdevs(notifier);
 
 	notifier->sd = NULL;
 	notifier->v4l2_dev = NULL;
@@ -570,17 +568,17 @@ __v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
 	list_del(&notifier->list);
 }
 
-void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
+void v4l2_async_nf_unregister(struct v4l2_async_notifier *notifier)
 {
 	mutex_lock(&list_lock);
 
-	__v4l2_async_notifier_unregister(notifier);
+	__v4l2_async_nf_unregister(notifier);
 
 	mutex_unlock(&list_lock);
 }
-EXPORT_SYMBOL(v4l2_async_notifier_unregister);
+EXPORT_SYMBOL(v4l2_async_nf_unregister);
 
-static void __v4l2_async_notifier_cleanup(struct v4l2_async_notifier *notifier)
+static void __v4l2_async_nf_cleanup(struct v4l2_async_notifier *notifier)
 {
 	struct v4l2_async_subdev *asd, *tmp;
 
@@ -601,24 +599,24 @@ static void __v4l2_async_notifier_cleanup(struct v4l2_async_notifier *notifier)
 	}
 }
 
-void v4l2_async_notifier_cleanup(struct v4l2_async_notifier *notifier)
+void v4l2_async_nf_cleanup(struct v4l2_async_notifier *notifier)
 {
 	mutex_lock(&list_lock);
 
-	__v4l2_async_notifier_cleanup(notifier);
+	__v4l2_async_nf_cleanup(notifier);
 
 	mutex_unlock(&list_lock);
 }
-EXPORT_SYMBOL_GPL(v4l2_async_notifier_cleanup);
+EXPORT_SYMBOL_GPL(v4l2_async_nf_cleanup);
 
-int __v4l2_async_notifier_add_subdev(struct v4l2_async_notifier *notifier,
-				   struct v4l2_async_subdev *asd)
+int __v4l2_async_nf_add_subdev(struct v4l2_async_notifier *notifier,
+			       struct v4l2_async_subdev *asd)
 {
 	int ret;
 
 	mutex_lock(&list_lock);
 
-	ret = v4l2_async_notifier_asd_valid(notifier, asd, -1);
+	ret = v4l2_async_nf_asd_valid(notifier, asd, -1);
 	if (ret)
 		goto unlock;
 
@@ -628,12 +626,12 @@ unlock:
 	mutex_unlock(&list_lock);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(__v4l2_async_notifier_add_subdev);
+EXPORT_SYMBOL_GPL(__v4l2_async_nf_add_subdev);
 
 struct v4l2_async_subdev *
-__v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier,
-					struct fwnode_handle *fwnode,
-					unsigned int asd_struct_size)
+__v4l2_async_nf_add_fwnode(struct v4l2_async_notifier *notifier,
+			   struct fwnode_handle *fwnode,
+			   unsigned int asd_struct_size)
 {
 	struct v4l2_async_subdev *asd;
 	int ret;
@@ -645,7 +643,7 @@ __v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier,
 	asd->match_type = V4L2_ASYNC_MATCH_FWNODE;
 	asd->match.fwnode = fwnode_handle_get(fwnode);
 
-	ret = __v4l2_async_notifier_add_subdev(notifier, asd);
+	ret = __v4l2_async_nf_add_subdev(notifier, asd);
 	if (ret) {
 		fwnode_handle_put(fwnode);
 		kfree(asd);
@@ -654,12 +652,12 @@ __v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier,
 
 	return asd;
 }
-EXPORT_SYMBOL_GPL(__v4l2_async_notifier_add_fwnode_subdev);
+EXPORT_SYMBOL_GPL(__v4l2_async_nf_add_fwnode);
 
 struct v4l2_async_subdev *
-__v4l2_async_notifier_add_fwnode_remote_subdev(struct v4l2_async_notifier *notif,
-					       struct fwnode_handle *endpoint,
-					       unsigned int asd_struct_size)
+__v4l2_async_nf_add_fwnode_remote(struct v4l2_async_notifier *notif,
+				  struct fwnode_handle *endpoint,
+				  unsigned int asd_struct_size)
 {
 	struct v4l2_async_subdev *asd;
 	struct fwnode_handle *remote;
@@ -668,21 +666,19 @@ __v4l2_async_notifier_add_fwnode_remote_subdev(struct v4l2_async_notifier *notif
 	if (!remote)
 		return ERR_PTR(-ENOTCONN);
 
-	asd = __v4l2_async_notifier_add_fwnode_subdev(notif, remote,
-						      asd_struct_size);
+	asd = __v4l2_async_nf_add_fwnode(notif, remote, asd_struct_size);
 	/*
-	 * Calling __v4l2_async_notifier_add_fwnode_subdev grabs a refcount,
+	 * Calling __v4l2_async_nf_add_fwnode grabs a refcount,
 	 * so drop the one we got in fwnode_graph_get_remote_port_parent.
 	 */
 	fwnode_handle_put(remote);
 	return asd;
 }
-EXPORT_SYMBOL_GPL(__v4l2_async_notifier_add_fwnode_remote_subdev);
+EXPORT_SYMBOL_GPL(__v4l2_async_nf_add_fwnode_remote);
 
 struct v4l2_async_subdev *
-__v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier,
-				     int adapter_id, unsigned short address,
-				     unsigned int asd_struct_size)
+__v4l2_async_nf_add_i2c(struct v4l2_async_notifier *notifier, int adapter_id,
+			unsigned short address, unsigned int asd_struct_size)
 {
 	struct v4l2_async_subdev *asd;
 	int ret;
@@ -695,7 +691,7 @@ __v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier,
 	asd->match.i2c.adapter_id = adapter_id;
 	asd->match.i2c.address = address;
 
-	ret = __v4l2_async_notifier_add_subdev(notifier, asd);
+	ret = __v4l2_async_nf_add_subdev(notifier, asd);
 	if (ret) {
 		kfree(asd);
 		return ERR_PTR(ret);
@@ -703,7 +699,7 @@ __v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier,
 
 	return asd;
 }
-EXPORT_SYMBOL_GPL(__v4l2_async_notifier_add_i2c_subdev);
+EXPORT_SYMBOL_GPL(__v4l2_async_nf_add_i2c);
 
 int v4l2_async_register_subdev(struct v4l2_subdev *sd)
 {
@@ -725,7 +721,7 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
 
 	list_for_each_entry(notifier, &notifier_list, list) {
 		struct v4l2_device *v4l2_dev =
-			v4l2_async_notifier_find_v4l2_dev(notifier);
+			v4l2_async_nf_find_v4l2_dev(notifier);
 		struct v4l2_async_subdev *asd;
 
 		if (!v4l2_dev)
@@ -739,7 +735,7 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
 		if (ret)
 			goto err_unbind;
 
-		ret = v4l2_async_notifier_try_complete(notifier);
+		ret = v4l2_async_nf_try_complete(notifier);
 		if (ret)
 			goto err_unbind;
 
@@ -761,10 +757,10 @@ err_unbind:
 	 */
 	subdev_notifier = v4l2_async_find_subdev_notifier(sd);
 	if (subdev_notifier)
-		v4l2_async_notifier_unbind_all_subdevs(subdev_notifier);
+		v4l2_async_nf_unbind_all_subdevs(subdev_notifier);
 
 	if (sd->asd)
-		v4l2_async_notifier_call_unbind(notifier, sd, sd->asd);
+		v4l2_async_nf_call_unbind(notifier, sd, sd->asd);
 	v4l2_async_cleanup(sd);
 
 	mutex_unlock(&list_lock);
@@ -780,8 +776,8 @@ void v4l2_async_unregister_subdev(struct v4l2_subdev *sd)
 
 	mutex_lock(&list_lock);
 
-	__v4l2_async_notifier_unregister(sd->subdev_notifier);
-	__v4l2_async_notifier_cleanup(sd->subdev_notifier);
+	__v4l2_async_nf_unregister(sd->subdev_notifier);
+	__v4l2_async_nf_cleanup(sd->subdev_notifier);
 	kfree(sd->subdev_notifier);
 	sd->subdev_notifier = NULL;
 
@@ -790,7 +786,7 @@ void v4l2_async_unregister_subdev(struct v4l2_subdev *sd)
 
 		list_add(&sd->asd->list, &notifier->waiting);
 
-		v4l2_async_notifier_call_unbind(notifier, sd, sd->asd);
+		v4l2_async_nf_call_unbind(notifier, sd, sd->asd);
 	}
 
 	v4l2_async_cleanup(sd);
@@ -825,7 +821,7 @@ static void print_waiting_subdev(struct seq_file *s,
 }
 
 static const char *
-v4l2_async_notifier_name(struct v4l2_async_notifier *notifier)
+v4l2_async_nf_name(struct v4l2_async_notifier *notifier)
 {
 	if (notifier->v4l2_dev)
 		return notifier->v4l2_dev->name;
@@ -843,7 +839,7 @@ static int pending_subdevs_show(struct seq_file *s, void *data)
 	mutex_lock(&list_lock);
 
 	list_for_each_entry(notif, &notifier_list, list) {
-		seq_printf(s, "%s:\n", v4l2_async_notifier_name(notif));
+		seq_printf(s, "%s:\n", v4l2_async_nf_name(notif));
 		list_for_each_entry(asd, &notif->waiting, list)
 			print_waiting_subdev(s, asd);
 	}
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 04af03285a20..df34b2a283bc 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -275,6 +275,9 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
 		{ .format = V4L2_PIX_FMT_YUV422P, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 2, .vdiv = 1 },
 		{ .format = V4L2_PIX_FMT_GREY,    .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .hdiv = 1, .vdiv = 1 },
 
+		/* Tiled YUV formats */
+		{ .format = V4L2_PIX_FMT_NV12_4L4, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 1, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .hdiv = 2, .vdiv = 2 },
+
 		/* YUV planar formats, non contiguous variant */
 		{ .format = V4L2_PIX_FMT_YUV420M, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 3, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 2, .vdiv = 2 },
 		{ .format = V4L2_PIX_FMT_YVU420M, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 3, .comp_planes = 3, .bpp = { 1, 1, 1, 0 }, .hdiv = 2, .vdiv = 2 },
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 47aff3b19742..8176769a89fa 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -126,6 +126,9 @@ struct v4l2_format32 {
  * @memory:	buffer memory type
  * @format:	frame format, for which buffers are requested
  * @capabilities: capabilities of this buffer type.
+ * @flags:	additional buffer management attributes (ignored unless the
+ *		queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability and
+ *		configured for MMAP streaming I/O).
  * @reserved:	future extensions
  */
 struct v4l2_create_buffers32 {
@@ -134,7 +137,8 @@ struct v4l2_create_buffers32 {
 	__u32			memory;	/* enum v4l2_memory */
 	struct v4l2_format32	format;
 	__u32			capabilities;
-	__u32			reserved[7];
+	__u32			flags;
+	__u32			reserved[6];
 };
 
 static int get_v4l2_format32(struct v4l2_format *p64,
@@ -182,6 +186,8 @@ static int get_v4l2_create32(struct v4l2_create_buffers *p64,
 	if (copy_from_user(p64, p32,
 			   offsetof(struct v4l2_create_buffers32, format)))
 		return -EFAULT;
+	if (copy_from_user(&p64->flags, &p32->flags, sizeof(p32->flags)))
+		return -EFAULT;
 	return get_v4l2_format32(&p64->format, &p32->format);
 }
 
@@ -227,6 +233,7 @@ static int put_v4l2_create32(struct v4l2_create_buffers *p64,
 	if (copy_to_user(p32, p64,
 			 offsetof(struct v4l2_create_buffers32, format)) ||
 	    put_user(p64->capabilities, &p32->capabilities) ||
+	    put_user(p64->flags, &p32->flags) ||
 	    copy_to_user(p32->reserved, p64->reserved, sizeof(p64->reserved)))
 		return -EFAULT;
 	return put_v4l2_format32(&p64->format, &p32->format);
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
index c4b5082849b6..70adfc1b9c81 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
@@ -687,6 +687,9 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
 
 		break;
 
+	case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
+		break;
+
 	case V4L2_CTRL_TYPE_AREA:
 		area = p;
 		if (!area->width || !area->height)
@@ -1240,6 +1243,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
 	case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS:
 		elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params);
 		break;
+	case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
+		elem_size = sizeof(struct v4l2_ctrl_hevc_scaling_matrix);
+		break;
 	case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS:
 		elem_size = sizeof(struct v4l2_ctrl_hevc_decode_params);
 		break;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c
index 421300e13a41..ebe82b6ba6e6 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c
@@ -997,6 +997,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_MPEG_VIDEO_HEVC_SPS:			return "HEVC Sequence Parameter Set";
 	case V4L2_CID_MPEG_VIDEO_HEVC_PPS:			return "HEVC Picture Parameter Set";
 	case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS:		return "HEVC Slice Parameters";
+	case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX:		return "HEVC Scaling Matrix";
 	case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS:		return "HEVC Decode Parameters";
 	case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE:		return "HEVC Decode Mode";
 	case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE:		return "HEVC Start Code";
@@ -1107,6 +1108,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_TEST_PATTERN_GREENR:	return "Green (Red) Pixel Value";
 	case V4L2_CID_TEST_PATTERN_BLUE:	return "Blue Pixel Value";
 	case V4L2_CID_TEST_PATTERN_GREENB:	return "Green (Blue) Pixel Value";
+	case V4L2_CID_NOTIFY_GAINS:		return "Notify Gains";
 
 	/* Image processing controls */
 	/* Keep the order of the 'case's the same as in v4l2-controls.h! */
@@ -1490,6 +1492,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 	case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS:
 		*type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS;
 		break;
+	case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX:
+		*type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX;
+		break;
 	case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS:
 		*type = V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS;
 		break;
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 843259c304bb..00457e1e93f6 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -780,11 +780,11 @@ int v4l2_fwnode_device_parse(struct device *dev,
 EXPORT_SYMBOL_GPL(v4l2_fwnode_device_parse);
 
 static int
-v4l2_async_notifier_fwnode_parse_endpoint(struct device *dev,
-					  struct v4l2_async_notifier *notifier,
-					  struct fwnode_handle *endpoint,
-					  unsigned int asd_struct_size,
-					  parse_endpoint_func parse_endpoint)
+v4l2_async_nf_fwnode_parse_endpoint(struct device *dev,
+				    struct v4l2_async_notifier *notifier,
+				    struct fwnode_handle *endpoint,
+				    unsigned int asd_struct_size,
+				    parse_endpoint_func parse_endpoint)
 {
 	struct v4l2_fwnode_endpoint vep = { .bus_type = 0 };
 	struct v4l2_async_subdev *asd;
@@ -822,7 +822,7 @@ v4l2_async_notifier_fwnode_parse_endpoint(struct device *dev,
 	if (ret < 0)
 		goto out_err;
 
-	ret = __v4l2_async_notifier_add_subdev(notifier, asd);
+	ret = __v4l2_async_nf_add_subdev(notifier, asd);
 	if (ret < 0) {
 		/* not an error if asd already exists */
 		if (ret == -EEXIST)
@@ -839,13 +839,11 @@ out_err:
 	return ret == -ENOTCONN ? 0 : ret;
 }
 
-static int
-__v4l2_async_notifier_parse_fwnode_ep(struct device *dev,
-				      struct v4l2_async_notifier *notifier,
-				      size_t asd_struct_size,
-				      unsigned int port,
-				      bool has_port,
-				      parse_endpoint_func parse_endpoint)
+int
+v4l2_async_nf_parse_fwnode_endpoints(struct device *dev,
+				     struct v4l2_async_notifier *notifier,
+				     size_t asd_struct_size,
+				     parse_endpoint_func parse_endpoint)
 {
 	struct fwnode_handle *fwnode;
 	int ret = 0;
@@ -863,22 +861,11 @@ __v4l2_async_notifier_parse_fwnode_ep(struct device *dev,
 		if (!is_available)
 			continue;
 
-		if (has_port) {
-			struct fwnode_endpoint ep;
-
-			ret = fwnode_graph_parse_endpoint(fwnode, &ep);
-			if (ret)
-				break;
-
-			if (ep.port != port)
-				continue;
-		}
 
-		ret = v4l2_async_notifier_fwnode_parse_endpoint(dev,
-								notifier,
-								fwnode,
-								asd_struct_size,
-								parse_endpoint);
+		ret = v4l2_async_nf_fwnode_parse_endpoint(dev, notifier,
+							  fwnode,
+							  asd_struct_size,
+							  parse_endpoint);
 		if (ret < 0)
 			break;
 	}
@@ -887,18 +874,7 @@ __v4l2_async_notifier_parse_fwnode_ep(struct device *dev,
 
 	return ret;
 }
-
-int
-v4l2_async_notifier_parse_fwnode_endpoints(struct device *dev,
-					   struct v4l2_async_notifier *notifier,
-					   size_t asd_struct_size,
-					   parse_endpoint_func parse_endpoint)
-{
-	return __v4l2_async_notifier_parse_fwnode_ep(dev, notifier,
-						     asd_struct_size, 0,
-						     false, parse_endpoint);
-}
-EXPORT_SYMBOL_GPL(v4l2_async_notifier_parse_fwnode_endpoints);
+EXPORT_SYMBOL_GPL(v4l2_async_nf_parse_fwnode_endpoints);
 
 /*
  * v4l2_fwnode_reference_parse - parse references for async sub-devices
@@ -942,9 +918,8 @@ static int v4l2_fwnode_reference_parse(struct device *dev,
 	     index++) {
 		struct v4l2_async_subdev *asd;
 
-		asd = v4l2_async_notifier_add_fwnode_subdev(notifier,
-							    args.fwnode,
-							    struct v4l2_async_subdev);
+		asd = v4l2_async_nf_add_fwnode(notifier, args.fwnode,
+					       struct v4l2_async_subdev);
 		fwnode_handle_put(args.fwnode);
 		if (IS_ERR(asd)) {
 			/* not an error if asd already exists */
@@ -1243,8 +1218,8 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
 	     index++) {
 		struct v4l2_async_subdev *asd;
 
-		asd = v4l2_async_notifier_add_fwnode_subdev(notifier, fwnode,
-							    struct v4l2_async_subdev);
+		asd = v4l2_async_nf_add_fwnode(notifier, fwnode,
+					       struct v4l2_async_subdev);
 		fwnode_handle_put(fwnode);
 		if (IS_ERR(asd)) {
 			ret = PTR_ERR(asd);
@@ -1260,7 +1235,7 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
 }
 
 /**
- * v4l2_async_notifier_parse_fwnode_sensor - parse common references on
+ * v4l2_async_nf_parse_fwnode_sensor - parse common references on
  *					     sensors for async sub-devices
  * @dev: the device node the properties of which are parsed for references
  * @notifier: the async notifier where the async subdevs will be added
@@ -1269,7 +1244,7 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
  * sensor and set up async sub-devices for them.
  *
  * Any notifier populated using this function must be released with a call to
- * v4l2_async_notifier_release() after it has been unregistered and the async
+ * v4l2_async_nf_release() after it has been unregistered and the async
  * sub-devices are no longer in use, even in the case the function returned an
  * error.
  *
@@ -1278,8 +1253,8 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
  *	   -EINVAL if property parsing failed
  */
 static int
-v4l2_async_notifier_parse_fwnode_sensor(struct device *dev,
-					struct v4l2_async_notifier *notifier)
+v4l2_async_nf_parse_fwnode_sensor(struct device *dev,
+				  struct v4l2_async_notifier *notifier)
 {
 	static const char * const led_props[] = { "led" };
 	static const struct v4l2_fwnode_int_props props[] = {
@@ -1320,13 +1295,13 @@ int v4l2_async_register_subdev_sensor(struct v4l2_subdev *sd)
 	if (!notifier)
 		return -ENOMEM;
 
-	v4l2_async_notifier_init(notifier);
+	v4l2_async_nf_init(notifier);
 
-	ret = v4l2_async_notifier_parse_fwnode_sensor(sd->dev, notifier);
+	ret = v4l2_async_nf_parse_fwnode_sensor(sd->dev, notifier);
 	if (ret < 0)
 		goto out_cleanup;
 
-	ret = v4l2_async_subdev_notifier_register(sd, notifier);
+	ret = v4l2_async_subdev_nf_register(sd, notifier);
 	if (ret < 0)
 		goto out_cleanup;
 
@@ -1339,10 +1314,10 @@ int v4l2_async_register_subdev_sensor(struct v4l2_subdev *sd)
 	return 0;
 
 out_unregister:
-	v4l2_async_notifier_unregister(notifier);
+	v4l2_async_nf_unregister(notifier);
 
 out_cleanup:
-	v4l2_async_notifier_cleanup(notifier);
+	v4l2_async_nf_cleanup(notifier);
 	kfree(notifier);
 
 	return ret;
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 05d5db3d85e5..31d0109ce5a8 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -869,7 +869,7 @@ static void v4l_print_default(const void *arg, bool write_only)
 	pr_cont("driver-specific ioctl\n");
 }
 
-static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
+static bool check_ext_ctrls(struct v4l2_ext_controls *c, unsigned long ioctl)
 {
 	__u32 i;
 
@@ -878,23 +878,41 @@ static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
 	for (i = 0; i < c->count; i++)
 		c->controls[i].reserved2[0] = 0;
 
-	/* V4L2_CID_PRIVATE_BASE cannot be used as control class
-	   when using extended controls.
-	   Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL
-	   is it allowed for backwards compatibility.
-	 */
-	if (!allow_priv && c->which == V4L2_CID_PRIVATE_BASE)
-		return 0;
-	if (!c->which)
-		return 1;
+	switch (c->which) {
+	case V4L2_CID_PRIVATE_BASE:
+		/*
+		 * V4L2_CID_PRIVATE_BASE cannot be used as control class
+		 * when using extended controls.
+		 * Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL
+		 * is it allowed for backwards compatibility.
+		 */
+		if (ioctl == VIDIOC_G_CTRL || ioctl == VIDIOC_S_CTRL)
+			return false;
+		break;
+	case V4L2_CTRL_WHICH_DEF_VAL:
+		/* Default value cannot be changed */
+		if (ioctl == VIDIOC_S_EXT_CTRLS ||
+		    ioctl == VIDIOC_TRY_EXT_CTRLS) {
+			c->error_idx = c->count;
+			return false;
+		}
+		return true;
+	case V4L2_CTRL_WHICH_CUR_VAL:
+		return true;
+	case V4L2_CTRL_WHICH_REQUEST_VAL:
+		c->error_idx = c->count;
+		return false;
+	}
+
 	/* Check that all controls are from the same control class. */
 	for (i = 0; i < c->count; i++) {
 		if (V4L2_CTRL_ID2WHICH(c->controls[i].id) != c->which) {
-			c->error_idx = i;
-			return 0;
+			c->error_idx = ioctl == VIDIOC_TRY_EXT_CTRLS ? i :
+								      c->count;
+			return false;
 		}
 	}
-	return 1;
+	return true;
 }
 
 static int check_fmt(struct file *file, enum v4l2_buf_type type)
@@ -1274,7 +1292,6 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_YUV410:	descr = "Planar YUV 4:1:0"; break;
 	case V4L2_PIX_FMT_YUV420:	descr = "Planar YUV 4:2:0"; break;
 	case V4L2_PIX_FMT_HI240:	descr = "8-bit Dithered RGB (BTTV)"; break;
-	case V4L2_PIX_FMT_HM12:		descr = "YUV 4:2:0 (16x16 Macroblocks)"; break;
 	case V4L2_PIX_FMT_M420:		descr = "YUV 4:2:0 (M420)"; break;
 	case V4L2_PIX_FMT_NV12:		descr = "Y/CbCr 4:2:0"; break;
 	case V4L2_PIX_FMT_NV21:		descr = "Y/CrCb 4:2:0"; break;
@@ -1282,6 +1299,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_NV61:		descr = "Y/CrCb 4:2:2"; break;
 	case V4L2_PIX_FMT_NV24:		descr = "Y/CbCr 4:4:4"; break;
 	case V4L2_PIX_FMT_NV42:		descr = "Y/CrCb 4:4:4"; break;
+	case V4L2_PIX_FMT_NV12_4L4:	descr = "Y/CbCr 4:2:0 (4x4 Linear)"; break;
+	case V4L2_PIX_FMT_NV12_16L16:	descr = "Y/CbCr 4:2:0 (16x16 Linear)"; break;
+	case V4L2_PIX_FMT_NV12_32L32:   descr = "Y/CbCr 4:2:0 (32x32 Linear)"; break;
 	case V4L2_PIX_FMT_NV12M:	descr = "Y/CbCr 4:2:0 (N-C)"; break;
 	case V4L2_PIX_FMT_NV21M:	descr = "Y/CrCb 4:2:0 (N-C)"; break;
 	case V4L2_PIX_FMT_NV16M:	descr = "Y/CbCr 4:2:2 (N-C)"; break;
@@ -1346,6 +1366,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_PIX_FMT_TM6000:	descr = "A/V + VBI Mux Packet"; break;
 	case V4L2_PIX_FMT_CIT_YYVYUY:	descr = "GSPCA CIT YYVYUY"; break;
 	case V4L2_PIX_FMT_KONICA420:	descr = "GSPCA KONICA420"; break;
+	case V4L2_PIX_FMT_MM21:		descr = "Mediatek 8-bit Block Format"; break;
 	case V4L2_PIX_FMT_HSV24:	descr = "24-bit HSV 8-8-8"; break;
 	case V4L2_PIX_FMT_HSV32:	descr = "32-bit XHSV 8-8-8-8"; break;
 	case V4L2_SDR_FMT_CU8:		descr = "Complex U8"; break;
@@ -1415,7 +1436,6 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 		case V4L2_PIX_FMT_SE401:	descr = "GSPCA SE401"; break;
 		case V4L2_PIX_FMT_S5C_UYVY_JPG:	descr = "S5C73MX interleaved UYVY/JPEG"; break;
 		case V4L2_PIX_FMT_MT21C:	descr = "Mediatek Compressed Format"; break;
-		case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break;
 		default:
 			if (fmt->description[0])
 				return;
@@ -2004,7 +2024,7 @@ static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops,
 	if (ret)
 		return ret;
 
-	CLEAR_AFTER_FIELD(p, capabilities);
+	CLEAR_AFTER_FIELD(p, flags);
 
 	return ops->vidioc_reqbufs(file, fh, p);
 }
@@ -2045,7 +2065,7 @@ static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops,
 	if (ret)
 		return ret;
 
-	CLEAR_AFTER_FIELD(create, capabilities);
+	CLEAR_AFTER_FIELD(create, flags);
 
 	v4l_sanitize_format(&create->format);
 
@@ -2187,7 +2207,7 @@ static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops,
 	ctrls.controls = &ctrl;
 	ctrl.id = p->id;
 	ctrl.value = p->value;
-	if (check_ext_ctrls(&ctrls, 1)) {
+	if (check_ext_ctrls(&ctrls, VIDIOC_G_CTRL)) {
 		int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
 
 		if (ret == 0)
@@ -2206,6 +2226,7 @@ static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops,
 		test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL;
 	struct v4l2_ext_controls ctrls;
 	struct v4l2_ext_control ctrl;
+	int ret;
 
 	if (vfh && vfh->ctrl_handler)
 		return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p);
@@ -2221,9 +2242,11 @@ static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops,
 	ctrls.controls = &ctrl;
 	ctrl.id = p->id;
 	ctrl.value = p->value;
-	if (check_ext_ctrls(&ctrls, 1))
-		return ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
-	return -EINVAL;
+	if (!check_ext_ctrls(&ctrls, VIDIOC_S_CTRL))
+		return -EINVAL;
+	ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
+	p->value = ctrl.value;
+	return ret;
 }
 
 static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops,
@@ -2243,8 +2266,8 @@ static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops,
 					vfd, vfd->v4l2_dev->mdev, p);
 	if (ops->vidioc_g_ext_ctrls == NULL)
 		return -ENOTTY;
-	return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) :
-					-EINVAL;
+	return check_ext_ctrls(p, VIDIOC_G_EXT_CTRLS) ?
+				ops->vidioc_g_ext_ctrls(file, fh, p) : -EINVAL;
 }
 
 static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops,
@@ -2264,8 +2287,8 @@ static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops,
 					vfd, vfd->v4l2_dev->mdev, p);
 	if (ops->vidioc_s_ext_ctrls == NULL)
 		return -ENOTTY;
-	return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) :
-					-EINVAL;
+	return check_ext_ctrls(p, VIDIOC_S_EXT_CTRLS) ?
+				ops->vidioc_s_ext_ctrls(file, fh, p) : -EINVAL;
 }
 
 static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops,
@@ -2285,8 +2308,8 @@ static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops,
 					  vfd, vfd->v4l2_dev->mdev, p);
 	if (ops->vidioc_try_ext_ctrls == NULL)
 		return -ENOTTY;
-	return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) :
-					-EINVAL;
+	return check_ext_ctrls(p, VIDIOC_TRY_EXT_CTRLS) ?
+			ops->vidioc_try_ext_ctrls(file, fh, p) : -EINVAL;
 }
 
 /*