include/media/v4l2-ctrls.h

516  * @hdl:	The control handler.
533  * error will also be stored in @hdl->error.
535 int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
545  * @hdl:	The control handler.
560 #define v4l2_ctrl_handler_init(hdl, nr_of_controls_hint)		\  argument
564 		v4l2_ctrl_handler_init_class(hdl, nr_of_controls_hint,	\
568 					"(" #hdl ")->_lock");		\
572 #define v4l2_ctrl_handler_init(hdl, nr_of_controls_hint)		\  argument
573 	v4l2_ctrl_handler_init_class(hdl, nr_of_controls_hint, NULL, NULL)
579  * @hdl:	The control handler.
581  * Does nothing if @hdl == NULL.
583 void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl);
610  * @hdl:	The control handler.
614  * If @hdl == NULL, then this just returns 0.
616 int __v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl);
621  * @hdl:	The control handler.
625  * If @hdl == NULL, then this just returns 0.
627 int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl);
631  * @hdl:	The control handler.
639  * Does nothing if @hdl == NULL.
641 void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl,
648  * @hdl:	The control handler.
653  * and @hdl->error is set to the error code (if it wasn't set already).
655 struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
663  * @hdl:	The control handler.
672  * ID is not known, then NULL is returned and @hdl->error is set to the
679 struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl,
688  * @hdl:	The control handler.
705 struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
713  * @hdl:	The control handler.
730 struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(struct v4l2_ctrl_handler *hdl,
740  * @hdl:       The control handler.
757 struct v4l2_ctrl *v4l2_ctrl_new_std_compound(struct v4l2_ctrl_handler *hdl,
767  * @hdl:	The control handler.
780 struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
796  *	handler @hdl.
798  * @hdl:	The control handler.
800  *		the @hdl control handler.
803  *		device than @hdl.
808  * In case of an error @hdl->error will be set to the error code (if it
811 int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl,
878  * @hdl:	The control handler.
881  * If @hdl == NULL this will return NULL as well. Will lock the handler so
884 struct v4l2_ctrl *v4l2_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
1399  * @hdl: Put this control handler
1404 static inline void v4l2_ctrl_request_hdl_put(struct v4l2_ctrl_handler *hdl)  in v4l2_ctrl_request_hdl_put()  argument
1406 	if (hdl)  in v4l2_ctrl_request_hdl_put()
1407 		media_request_object_put(&hdl->req_obj);  in v4l2_ctrl_request_hdl_put()
1413  * @hdl: The control handler from the request.
1420 v4l2_ctrl_request_hdl_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
1428  * @hdl: pointer to &struct v4l2_ctrl_handler
1431  * If hdl == NULL then they will all return -EINVAL.
1433 int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc);
1451  * @hdl: pointer to &struct v4l2_ctrl_handler
1454  * If hdl == NULL then they will all return -EINVAL.
1456 int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl,
1463  * @hdl: pointer to &struct v4l2_ctrl_handler
1466  * If hdl == NULL then they will all return -EINVAL.
1468 int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm);
1474  * @hdl: pointer to &struct v4l2_ctrl_handler
1477  * If hdl == NULL then they will all return -EINVAL.
1479 int v4l2_g_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *ctrl);
1486  * @hdl: pointer to &struct v4l2_ctrl_handler
1490  * If hdl == NULL then they will all return -EINVAL.
1492 int v4l2_s_ctrl(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
1499  * @hdl: pointer to &struct v4l2_ctrl_handler
1504  * If hdl == NULL then they will all return -EINVAL.
1506 int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct video_device *vdev,
1513  * @hdl: pointer to &struct v4l2_ctrl_handler
1518  * If hdl == NULL then they will all return -EINVAL.
1520 int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl,
1530  * @hdl: pointer to &struct v4l2_ctrl_handler
1535  * If hdl == NULL then they will all return -EINVAL.
1537 int v4l2_s_ext_ctrls(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
1566  * @hdl: pointer to &struct v4l2_ctrl_handler to register controls on
1578  * Controls already registered by the caller with the @hdl control handler are
1584 int v4l2_ctrl_new_fwnode_properties(struct v4l2_ctrl_handler *hdl,