From 97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 9 Dec 2009 08:40:03 -0300 Subject: [media] media: Links setup Create the following ioctl and implement it at the media device level to setup links. - MEDIA_IOC_SETUP_LINK: Modify the properties of a given link The only property that can currently be modified is the ENABLED link flag to enable/disable a link. Links marked with the IMMUTABLE link flag can not be enabled or disabled. Enabling or disabling a link has effects on entities' use count. Those changes are automatically propagated through the graph. Signed-off-by: Laurent Pinchart Signed-off-by: Stanimir Varbanov Signed-off-by: Sakari Ailus Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/linux/media.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/media.h') diff --git a/include/linux/media.h b/include/linux/media.h index 17c93a413677..7c69913c0ad2 100644 --- a/include/linux/media.h +++ b/include/linux/media.h @@ -126,5 +126,6 @@ struct media_links_enum { #define MEDIA_IOC_DEVICE_INFO _IOWR('M', 1, struct media_device_info) #define MEDIA_IOC_ENUM_ENTITIES _IOWR('M', 2, struct media_entity_desc) #define MEDIA_IOC_ENUM_LINKS _IOWR('M', 3, struct media_links_enum) +#define MEDIA_IOC_SETUP_LINK _IOWR('M', 4, struct media_link_desc) #endif /* __LINUX_MEDIA_H */ -- cgit v1.2.3-55-g7522