diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-async.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index 329aeebd1a80..68606afb5ef9 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -18,6 +18,7 @@ struct device; struct device_node; struct v4l2_device; struct v4l2_subdev; +struct v4l2_async_notifier; /* A random max subdevice number, used to allocate an array on stack */ #define V4L2_MAX_SUBDEVS 128U @@ -79,8 +80,25 @@ struct v4l2_async_subdev { }; /** + * struct v4l2_async_notifier_operations - Asynchronous V4L2 notifier operations + * @bound: a subdevice driver has successfully probed one of the subdevices + * @complete: all subdevices have been probed successfully + * @unbind: a subdevice is leaving + */ +struct v4l2_async_notifier_operations { + int (*bound)(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *subdev, + struct v4l2_async_subdev *asd); + int (*complete)(struct v4l2_async_notifier *notifier); + void (*unbind)(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *subdev, + struct v4l2_async_subdev *asd); +}; + +/** * struct v4l2_async_notifier - v4l2_device notifier data * + * @ops: notifier operations * @num_subdevs: number of subdevices used in the subdevs array * @max_subdevs: number of subdevices allocated in the subdevs array * @subdevs: array of pointers to subdevice descriptors @@ -88,11 +106,9 @@ struct v4l2_async_subdev { * @waiting: list of struct v4l2_async_subdev, waiting for their drivers * @done: list of struct v4l2_subdev, already probed * @list: member in a global list of notifiers - * @bound: a subdevice driver has successfully probed one of subdevices - * @complete: all subdevices have been probed successfully - * @unbind: a subdevice is leaving */ struct v4l2_async_notifier { + const struct v4l2_async_notifier_operations *ops; unsigned int num_subdevs; unsigned int max_subdevs; struct v4l2_async_subdev **subdevs; @@ -100,13 +116,6 @@ struct v4l2_async_notifier { struct list_head waiting; struct list_head done; struct list_head list; - int (*bound)(struct v4l2_async_notifier *notifier, - struct v4l2_subdev *subdev, - struct v4l2_async_subdev *asd); - int (*complete)(struct v4l2_async_notifier *notifier); - void (*unbind)(struct v4l2_async_notifier *notifier, - struct v4l2_subdev *subdev, - struct v4l2_async_subdev *asd); }; /** |