diff options
Diffstat (limited to 'include/media/v4l2-async.h')
| -rw-r--r-- | include/media/v4l2-async.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index 8670b8e44851..41a9c4bada8a 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -126,6 +126,18 @@ struct v4l2_async_notifier { }; /** + * struct v4l2_async_subdev_endpoint - Entry in sub-device's fwnode list + * + * @async_subdev_endpoint_entry: An entry in async_subdev_endpoint_list of + * &struct v4l2_subdev + * @endpoint: Endpoint fwnode agains which to match the sub-device + */ +struct v4l2_async_subdev_endpoint { + struct list_head async_subdev_endpoint_entry; + struct fwnode_handle *endpoint; +}; + +/** * v4l2_async_debug_init - Initialize debugging tools. * * @debugfs_dir: pointer to the parent debugfs &struct dentry @@ -216,6 +228,24 @@ __v4l2_async_nf_add_i2c(struct v4l2_async_notifier *notifier, sizeof(type))) /** + * v4l2_async_subdev_endpoint_add - Add an endpoint fwnode to async sub-device + * matching list + * + * @sd: the sub-device + * @fwnode: the endpoint fwnode to match + * + * Add a fwnode to the async sub-device's matching list. This allows registering + * multiple async sub-devices from a single device. + * + * Note that calling v4l2_subdev_cleanup() as part of the sub-device's cleanup + * if endpoints have been added to the sub-device's fwnode matching list. + * + * Returns an error on failure, 0 on success. + */ +int v4l2_async_subdev_endpoint_add(struct v4l2_subdev *sd, + struct fwnode_handle *fwnode); + +/** * v4l2_async_connection_unique - return a unique &struct v4l2_async_connection * for a sub-device * @sd: the sub-device |