diff options
Diffstat (limited to 'include/media/v4l2-mc.h')
| -rw-r--r-- | include/media/v4l2-mc.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h index bdaa5f2f8ca2..1837c9fd78cf 100644 --- a/include/media/v4l2-mc.h +++ b/include/media/v4l2-mc.h @@ -87,16 +87,22 @@ int v4l_vb2q_enable_media_source(struct vb2_queue *q); /** * v4l2_create_fwnode_links_to_pad - Create fwnode-based links from a - * source subdev to a sink subdev pad. + * source subdev to a sink pad. * * @src_sd: pointer to a source subdev - * @sink: pointer to a subdev sink pad + * @sink: pointer to a sink pad + * @flags: the link flags * * This function searches for fwnode endpoint connections from a source * subdevice to a single sink pad, and if suitable connections are found, * translates them into media links to that pad. The function can be - * called by the sink subdevice, in its v4l2-async notifier subdev bound - * callback, to create links from a bound source subdevice. + * called by the sink, in its v4l2-async notifier bound callback, to create + * links from a bound source subdevice. + * + * The @flags argument specifies the link flags. The caller shall ensure that + * the flags are valid regardless of the number of links that may be created. + * For instance, setting the MEDIA_LNK_FL_ENABLED flag will cause all created + * links to be enabled, which isn't valid if more than one link is created. * * .. note:: * @@ -107,7 +113,7 @@ int v4l_vb2q_enable_media_source(struct vb2_queue *q); * Return 0 on success or a negative error code on failure. */ int v4l2_create_fwnode_links_to_pad(struct v4l2_subdev *src_sd, - struct media_pad *sink); + struct media_pad *sink, u32 flags); /** * v4l2_create_fwnode_links - Create fwnode-based links from a source @@ -137,6 +143,9 @@ int v4l2_create_fwnode_links(struct v4l2_subdev *src_sd, * v4l2_pipeline_pm_get - Increase the use count of a pipeline * @entity: The root entity of a pipeline * + * THIS FUNCTION IS DEPRECATED. DO NOT USE IN NEW DRIVERS. USE RUNTIME PM + * ON SUB-DEVICE DRIVERS INSTEAD. + * * Update the use count of all entities in the pipeline and power entities on. * * This function is intended to be called in video node open. It uses @@ -151,6 +160,9 @@ int v4l2_pipeline_pm_get(struct media_entity *entity); * v4l2_pipeline_pm_put - Decrease the use count of a pipeline * @entity: The root entity of a pipeline * + * THIS FUNCTION IS DEPRECATED. DO NOT USE IN NEW DRIVERS. USE RUNTIME PM + * ON SUB-DEVICE DRIVERS INSTEAD. + * * Update the use count of all entities in the pipeline and power entities off. * * This function is intended to be called in video node release. It uses @@ -166,6 +178,9 @@ void v4l2_pipeline_pm_put(struct media_entity *entity); * @flags: New link flags that will be applied * @notification: The link's state change notification type (MEDIA_DEV_NOTIFY_*) * + * THIS FUNCTION IS DEPRECATED. DO NOT USE IN NEW DRIVERS. USE RUNTIME PM + * ON SUB-DEVICE DRIVERS INSTEAD. + * * React to link management on powered pipelines by updating the use count of * all entities in the source and sink sides of the link. Entities are powered * on or off accordingly. The use of this function should be paired |