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Commit 1283f849 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] media-entity: add a helper function to create interface 



As we'll be adding other interface types in the future, put the
common interface create code on a separate function.

Suggested-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 86e26620

drivers/media/media-entity.c

+14 −9
Original line number Diff line number Diff line
@@ -839,6 +839,18 @@ struct media_pad *media_entity_remote_pad(struct media_pad *pad) 
EXPORT_SYMBOL_GPL(media_entity_remote_pad);





static void media_interface_init(struct media_device *mdev,

				 struct media_interface *intf,

				 u32 gobj_type,

				 u32 intf_type, u32 flags)

{

	intf->type = intf_type;

	intf->flags = flags;

	INIT_LIST_HEAD(&intf->links);



	media_gobj_init(mdev, gobj_type, &intf->graph_obj);

}



/* Functions related to the media interface via device nodes */



struct media_intf_devnode *media_devnode_create(struct media_device *mdev,
@@ -847,23 +859,16 @@ struct media_intf_devnode *media_devnode_create(struct media_device *mdev, 
						gfp_t gfp_flags)

{

	struct media_intf_devnode *devnode;

	struct media_interface *intf;



	devnode = kzalloc(sizeof(*devnode), gfp_flags);

	if (!devnode)

		return NULL;



	intf = &devnode->intf;



	intf->type = type;

	intf->flags = flags;

	INIT_LIST_HEAD(&intf->links);



	devnode->major = major;

	devnode->minor = minor;



	media_gobj_init(mdev, MEDIA_GRAPH_INTF_DEVNODE,

		       &devnode->intf.graph_obj);

	media_interface_init(mdev, &devnode->intf, MEDIA_GRAPH_INTF_DEVNODE,

			     type, flags);



	return devnode;

}