2465 int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctrl *qc)  in v4l2_query_ext_ctrl()  argument
2468 	u32 id = qc->id & V4L2_CTRL_ID_MASK;  in v4l2_query_ext_ctrl()
2480 	if ((qc->id & next_flags) && !list_empty(&hdl->ctrl_refs)) {  in v4l2_query_ext_ctrl()
2486 		if ((qc->id & next_flags) == V4L2_CTRL_FLAG_NEXT_COMPOUND) {  in v4l2_query_ext_ctrl()
2489 		} else if ((qc->id & next_flags) == next_flags) {  in v4l2_query_ext_ctrl()
2533 	memset(qc, 0, sizeof(*qc));  in v4l2_query_ext_ctrl()
2535 		qc->id = id;  in v4l2_query_ext_ctrl()
2537 		qc->id = ctrl->id;  in v4l2_query_ext_ctrl()
2538 	strlcpy(qc->name, ctrl->name, sizeof(qc->name));  in v4l2_query_ext_ctrl()
2539 	qc->flags = ctrl->flags;  in v4l2_query_ext_ctrl()
2540 	qc->type = ctrl->type;  in v4l2_query_ext_ctrl()
2542 		qc->flags |= V4L2_CTRL_FLAG_HAS_PAYLOAD;  in v4l2_query_ext_ctrl()
2543 	qc->elem_size = ctrl->elem_size;  in v4l2_query_ext_ctrl()
2544 	qc->elems = ctrl->elems;  in v4l2_query_ext_ctrl()
2545 	qc->nr_of_dims = ctrl->nr_of_dims;  in v4l2_query_ext_ctrl()
2546 	memcpy(qc->dims, ctrl->dims, qc->nr_of_dims * sizeof(qc->dims[0]));  in v4l2_query_ext_ctrl()
2547 	qc->minimum = ctrl->minimum;  in v4l2_query_ext_ctrl()
2548 	qc->maximum = ctrl->maximum;  in v4l2_query_ext_ctrl()
2549 	qc->default_value = ctrl->default_value;  in v4l2_query_ext_ctrl()
2552 		qc->step = 1;  in v4l2_query_ext_ctrl()
2554 		qc->step = ctrl->step;  in v4l2_query_ext_ctrl()
2560 int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc)  in v4l2_queryctrl()  argument
2562 	struct v4l2_query_ext_ctrl qec = { qc->id };  in v4l2_queryctrl()
2569 	qc->id = qec.id;  in v4l2_queryctrl()
2570 	qc->type = qec.type;  in v4l2_queryctrl()
2571 	qc->flags = qec.flags;  in v4l2_queryctrl()
2572 	strlcpy(qc->name, qec.name, sizeof(qc->name));  in v4l2_queryctrl()
2573 	switch (qc->type) {  in v4l2_queryctrl()
2580 		qc->minimum = qec.minimum;  in v4l2_queryctrl()
2581 		qc->maximum = qec.maximum;  in v4l2_queryctrl()
2582 		qc->step = qec.step;  in v4l2_queryctrl()
2583 		qc->default_value = qec.default_value;  in v4l2_queryctrl()
2586 		qc->minimum = 0;  in v4l2_queryctrl()
2587 		qc->maximum = 0;  in v4l2_queryctrl()
2588 		qc->step = 0;  in v4l2_queryctrl()
2589 		qc->default_value = 0;  in v4l2_queryctrl()
2596 int v4l2_subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)  in v4l2_subdev_queryctrl()  argument
2598 	if (qc->id & (V4L2_CTRL_FLAG_NEXT_CTRL | V4L2_CTRL_FLAG_NEXT_COMPOUND))  in v4l2_subdev_queryctrl()
2600 	return v4l2_queryctrl(sd->ctrl_handler, qc);  in v4l2_subdev_queryctrl()