include/media/v4l2-ctrls.h

18  * This will move to the public headers once this API is fully stable.
107  *		If not set, then the currently cached value will be returned.
168  *		will not be added to any other handlers. Drivers can set
209  *		then this will have to be extended to a u64 or a bit array.
399  *		then this will have to be extended to a bit array.
407  *		will not be added to any other handlers.
442  * For non-standard controls it will only fill in the given arguments
443  * and @name content will be set to %NULL.
445  * This function will overwrite the contents of @name, @type and @flags.
453  *    control framework this function will no longer be exported.
468  *		It will always work, though.
478  * error will also be stored in @hdl->error.
497  *		It will always work, though.
557  * Button controls will be skipped, as are read-only controls.
568  * Button controls will be skipped, as are read-only controls.
578  *		prefix does not end with a space, then ": " will be added
579  *		after the prefix. If @prefix == NULL, then no prefix will be
620  * If @id refers to a menu control, then this function will return NULL.
642  *		then this will have to be extended to a bit array.
648  * If @id refers to a non-menu control, then this function will return NULL.
667  *		then this will have to be extended to a bit array.
671  * Same as v4l2_ctrl_new_std_menu(), but @qmenu will be the driver specific
714  * If @id refers to a non-integer-menu control, then this function will
738  * @filter:	This function will filter which controls should be added.
744  * controls for which @filter returns true will be added.
745  * In case of an error @hdl->error will be set to the error code (if it
758  * This will return true for any controls that are valid for radio device
785  * @set_volatile: If true, then all controls except the first auto control will
796  * are set to inactive and any reads will call g_volatile_ctrl (if the control
799  * When the autofoo control is set to manual, then any manual controls will
800  * be marked active, and any reads will just return the current value without
803  * In addition, this function will set the %V4L2_CTRL_FLAG_UPDATE flag
818  * If @hdl == NULL this will return NULL as well. Will lock the handler so
830  * This will usually be called from within the s_ctrl op.
831  * The V4L2_EVENT_CTRL event will be generated afterwards.
845  * The V4L2_EVENT_CTRL event will be generated afterwards.
846  * This will usually be called when starting or stopping streaming in the
861  * The V4L2_EVENT_CTRL event will be generated afterwards.
862  * This will usually be called when starting or stopping streaming in the
865  * This function assumes that the control handler is not locked and will
916  * This function assumes that the control handler is not locked and will
939  * then it will do nothing. If @notify is NULL, then the notify callback will
943  * will be issued and the function will do nothing.
986  * framework. This function will lock the control's handler, so it cannot be
1014  * framework. This function will lock the control's handler, so it cannot be
1037  * framework. This function will lock the control's handler, so it cannot be
1066  * framework. This function will lock the control's handler, so it cannot be
1104  * framework. This function will lock the control's handler, so it cannot be
1145  * control framework. This function will lock the control's handler, so it
1270  * will always return NULL.
1275  * In state QUEUED it is the driver that will have to ensure this.
1315  * If hdl == NULL then they will all return -EINVAL.
1326  * If hdl == NULL then they will all return -EINVAL.
1338  * If hdl == NULL then they will all return -EINVAL.
1349  * If hdl == NULL then they will all return -EINVAL.
1362  * If hdl == NULL then they will all return -EINVAL.
1376  * If hdl == NULL then they will all return -EINVAL.
1390  * If hdl == NULL then they will all return -EINVAL.
1407  * If hdl == NULL then they will all return -EINVAL.