include/media/v4l2-ctrls.h

496  * @hdl:	The control handler.
513  * error will also be stored in @hdl->error.
515 int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
525  * @hdl:	The control handler.
540 #define v4l2_ctrl_handler_init(hdl, nr_of_controls_hint)		\
544 		v4l2_ctrl_handler_init_class(hdl, nr_of_controls_hint,	\
548 					"(" #hdl ")->_lock");		\
552 #define v4l2_ctrl_handler_init(hdl, nr_of_controls_hint)		\
553 	v4l2_ctrl_handler_init_class(hdl, nr_of_controls_hint, NULL, NULL)
559  * @hdl:	The control handler.
561  * Does nothing if @hdl == NULL.
563 void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl);
590  * @hdl:	The control handler.
594  * If @hdl == NULL, then this just returns 0.
596 int __v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl);
601  * @hdl:	The control handler.
605  * If @hdl == NULL, then this just returns 0.
607 int v4l2_ctrl_handler_setup(struct v4l2_ctrl_handler *hdl);
611  * @hdl:	The control handler.
619  * Does nothing if @hdl == NULL.
621 void v4l2_ctrl_handler_log_status(struct v4l2_ctrl_handler *hdl,
628  * @hdl:	The control handler.
633  * and @hdl->error is set to the error code (if it wasn't set already).
635 struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
643  * @hdl:	The control handler.
652  * ID is not known, then NULL is returned and @hdl->error is set to the
659 struct v4l2_ctrl *v4l2_ctrl_new_std(struct v4l2_ctrl_handler *hdl,
668  * @hdl:	The control handler.
685 struct v4l2_ctrl *v4l2_ctrl_new_std_menu(struct v4l2_ctrl_handler *hdl,
693  * @hdl:	The control handler.
710 struct v4l2_ctrl *v4l2_ctrl_new_std_menu_items(struct v4l2_ctrl_handler *hdl,
720  * @hdl:       The control handler.
731 struct v4l2_ctrl *v4l2_ctrl_new_std_compound(struct v4l2_ctrl_handler *hdl,
739  * @hdl:	The control handler.
752 struct v4l2_ctrl *v4l2_ctrl_new_int_menu(struct v4l2_ctrl_handler *hdl,
768  *	handler @hdl.
770  * @hdl:	The control handler.
772  *		the @hdl control handler.
775  *		device than @hdl.
780  * In case of an error @hdl->error will be set to the error code (if it
783 int v4l2_ctrl_add_handler(struct v4l2_ctrl_handler *hdl,
850  * @hdl:	The control handler.
853  * If @hdl == NULL this will return NULL as well. Will lock the handler so
856 struct v4l2_ctrl *v4l2_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
1371  * @hdl: Put this control handler
1376 static inline void v4l2_ctrl_request_hdl_put(struct v4l2_ctrl_handler *hdl)
1378 	if (hdl)
1379 		media_request_object_put(&hdl->req_obj);
1385  * @hdl: The control handler from the request.
1392 v4l2_ctrl_request_hdl_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
1400  * @hdl: pointer to &struct v4l2_ctrl_handler
1403  * If hdl == NULL then they will all return -EINVAL.
1405 int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc);
1411  * @hdl: pointer to &struct v4l2_ctrl_handler
1414  * If hdl == NULL then they will all return -EINVAL.
1416 int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl,
1423  * @hdl: pointer to &struct v4l2_ctrl_handler
1426  * If hdl == NULL then they will all return -EINVAL.
1428 int v4l2_querymenu(struct v4l2_ctrl_handler *hdl, struct v4l2_querymenu *qm);
1434  * @hdl: pointer to &struct v4l2_ctrl_handler
1437  * If hdl == NULL then they will all return -EINVAL.
1439 int v4l2_g_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_control *ctrl);
1446  * @hdl: pointer to &struct v4l2_ctrl_handler
1450  * If hdl == NULL then they will all return -EINVAL.
1452 int v4l2_s_ctrl(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
1459  * @hdl: pointer to &struct v4l2_ctrl_handler
1464  * If hdl == NULL then they will all return -EINVAL.
1466 int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct video_device *vdev,
1473  * @hdl: pointer to &struct v4l2_ctrl_handler
1478  * If hdl == NULL then they will all return -EINVAL.
1480 int v4l2_try_ext_ctrls(struct v4l2_ctrl_handler *hdl,
1490  * @hdl: pointer to &struct v4l2_ctrl_handler
1495  * If hdl == NULL then they will all return -EINVAL.
1497 int v4l2_s_ext_ctrls(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
1526  * @hdl: pointer to &struct v4l2_ctrl_handler to register controls on
1538  * Controls already registered by the caller with the @hdl control handler are
1544 int v4l2_ctrl_new_fwnode_properties(struct v4l2_ctrl_handler *hdl,