diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-ctrls.h | 17 | ||||
| -rw-r--r-- | include/media/v4l2-event.h | 9 |
2 files changed, 16 insertions, 10 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 8f08c6edf509..a15e9098f98b 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -31,6 +31,7 @@ struct v4l2_ctrl; struct video_device; struct v4l2_subdev; struct v4l2_event_subscription; +struct v4l2_subscribed_event; struct v4l2_fh; /** struct v4l2_ctrl_ops - The control operations that the driver has to provide. @@ -53,6 +54,7 @@ struct v4l2_ctrl_ops { /** struct v4l2_ctrl - The control structure. * @node: The list node. + * @ev_subs: The list of control event subscriptions. * @handler: The handler that owns the control. * @cluster: Point to start of cluster array. * @ncontrols: Number of controls in cluster array. @@ -108,7 +110,7 @@ struct v4l2_ctrl_ops { struct v4l2_ctrl { /* Administrative fields */ struct list_head node; - struct list_head fhs; + struct list_head ev_subs; struct v4l2_ctrl_handler *handler; struct v4l2_ctrl **cluster; unsigned ncontrols; @@ -184,11 +186,6 @@ struct v4l2_ctrl_handler { int error; }; -struct v4l2_ctrl_fh { - struct list_head node; - struct v4l2_fh *fh; -}; - /** struct v4l2_ctrl_config - Control configuration structure. * @ops: The control ops. * @id: The control ID. @@ -497,10 +494,10 @@ s32 v4l2_ctrl_g_ctrl(struct v4l2_ctrl *ctrl); int v4l2_ctrl_s_ctrl(struct v4l2_ctrl *ctrl, s32 val); /* Internal helper functions that deal with control events. */ -void v4l2_ctrl_add_fh(struct v4l2_ctrl_handler *hdl, - struct v4l2_ctrl_fh *ctrl_fh, - struct v4l2_event_subscription *sub); -void v4l2_ctrl_del_fh(struct v4l2_ctrl *ctrl, struct v4l2_fh *fh); +void v4l2_ctrl_add_event(struct v4l2_ctrl *ctrl, + struct v4l2_subscribed_event *sev); +void v4l2_ctrl_del_event(struct v4l2_ctrl *ctrl, + struct v4l2_subscribed_event *sev); /** v4l2_ctrl_subscribe_fh() - Helper function that subscribes a control event. * @fh: The file handler that subscribed the control event. diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h index 042b893035de..eda17f8d78bc 100644 --- a/include/media/v4l2-event.h +++ b/include/media/v4l2-event.h @@ -38,9 +38,18 @@ struct v4l2_kevent { }; 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; }; int v4l2_event_alloc(struct v4l2_fh *fh, unsigned int n); |