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author | Hans Verkuil <hans.verkuil@cisco.com> | 2011-06-20 16:56:24 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 22:53:34 +0200 |
commit | 3f66f0ed319505555f45ceac04775b23f9279ee6 (patch) | |
tree | 27796db307bf941b8297b639b4cb2b9a48ffc689 /include/media/v4l2-event.h | |
parent | [media] DocBook: update V4L Event Interface section (diff) | |
download | linux-3f66f0ed319505555f45ceac04775b23f9279ee6.tar.xz linux-3f66f0ed319505555f45ceac04775b23f9279ee6.zip |
[media] v4l2-ctrls/v4l2-events: small coding style cleanups
Thanks to Laurent Pinchart <laurent.pinchart@ideasonboard.com>.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-event.h')
-rw-r--r-- | include/media/v4l2-event.h | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h index 6da793fa4d34..7abeb397d130 100644 --- a/include/media/v4l2-event.h +++ b/include/media/v4l2-event.h @@ -33,41 +33,45 @@ struct v4l2_fh; struct v4l2_subscribed_event; struct video_device; +/** struct v4l2_kevent - Internal kernel event struct. + * @list: List node for the v4l2_fh->available list. + * @sev: Pointer to parent v4l2_subscribed_event. + * @event: The event itself. + */ struct v4l2_kevent { - /* list node for the v4l2_fh->available list */ struct list_head list; - /* pointer to parent v4l2_subscribed_event */ struct v4l2_subscribed_event *sev; - /* event itself */ struct v4l2_event event; }; +/** struct v4l2_subscribed_event - Internal struct representing a subscribed event. + * @list: List node for the v4l2_fh->subscribed list. + * @type: Event type. + * @id: Associated object ID (e.g. control ID). 0 if there isn't any. + * @flags: Copy of v4l2_event_subscription->flags. + * @fh: Filehandle that subscribed to this event. + * @node: List node that hooks into the object's event list (if there is one). + * @replace: Optional callback that can replace event 'old' with event 'new'. + * @merge: Optional callback that can merge event 'old' into event 'new'. + * @elems: The number of elements in the events array. + * @first: The index of the events containing the oldest available event. + * @in_use: The number of queued events. + * @events: An array of @elems events. + */ struct v4l2_subscribed_event { - /* list node for the v4l2_fh->subscribed list */ struct list_head list; - /* event type */ u32 type; - /* associated object ID (e.g. control ID) */ u32 id; - /* copy of v4l2_event_subscription->flags */ u32 flags; - /* filehandle that subscribed to this event */ struct v4l2_fh *fh; - /* list node that hooks into the object's event list (if there is one) */ struct list_head node; - /* Optional callback that can replace event 'old' with event 'new'. */ void (*replace)(struct v4l2_event *old, const struct v4l2_event *new); - /* Optional callback that can merge event 'old' into event 'new'. */ void (*merge)(const struct v4l2_event *old, struct v4l2_event *new); - /* the number of elements in the events array */ unsigned elems; - /* the index of the events containing the oldest available event */ unsigned first; - /* the number of queued events */ unsigned in_use; - /* an array of elems events */ struct v4l2_kevent events[]; }; |