2478 int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctrl *qc)  in v4l2_query_ext_ctrl()  argument
2481 	u32 id = qc->id & V4L2_CTRL_ID_MASK;  in v4l2_query_ext_ctrl()
2493 	if ((qc->id & next_flags) && !list_empty(&hdl->ctrl_refs)) {  in v4l2_query_ext_ctrl()
2499 		if ((qc->id & next_flags) == V4L2_CTRL_FLAG_NEXT_COMPOUND) {  in v4l2_query_ext_ctrl()
2502 		} else if ((qc->id & next_flags) == next_flags) {  in v4l2_query_ext_ctrl()
2546 	memset(qc, 0, sizeof(*qc));  in v4l2_query_ext_ctrl()
2548 		qc->id = id;  in v4l2_query_ext_ctrl()
2550 		qc->id = ctrl->id;  in v4l2_query_ext_ctrl()
2551 	strlcpy(qc->name, ctrl->name, sizeof(qc->name));  in v4l2_query_ext_ctrl()
2552 	qc->flags = ctrl->flags;  in v4l2_query_ext_ctrl()
2553 	qc->type = ctrl->type;  in v4l2_query_ext_ctrl()
2555 		qc->flags |= V4L2_CTRL_FLAG_HAS_PAYLOAD;  in v4l2_query_ext_ctrl()
2556 	qc->elem_size = ctrl->elem_size;  in v4l2_query_ext_ctrl()
2557 	qc->elems = ctrl->elems;  in v4l2_query_ext_ctrl()
2558 	qc->nr_of_dims = ctrl->nr_of_dims;  in v4l2_query_ext_ctrl()
2559 	memcpy(qc->dims, ctrl->dims, qc->nr_of_dims * sizeof(qc->dims[0]));  in v4l2_query_ext_ctrl()
2560 	qc->minimum = ctrl->minimum;  in v4l2_query_ext_ctrl()
2561 	qc->maximum = ctrl->maximum;  in v4l2_query_ext_ctrl()
2562 	qc->default_value = ctrl->default_value;  in v4l2_query_ext_ctrl()
2565 		qc->step = 1;  in v4l2_query_ext_ctrl()
2567 		qc->step = ctrl->step;  in v4l2_query_ext_ctrl()
2573 int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc)  in v4l2_queryctrl()  argument
2575 	struct v4l2_query_ext_ctrl qec = { qc->id };  in v4l2_queryctrl()
2582 	qc->id = qec.id;  in v4l2_queryctrl()
2583 	qc->type = qec.type;  in v4l2_queryctrl()
2584 	qc->flags = qec.flags;  in v4l2_queryctrl()
2585 	strlcpy(qc->name, qec.name, sizeof(qc->name));  in v4l2_queryctrl()
2586 	switch (qc->type) {  in v4l2_queryctrl()
2593 		qc->minimum = qec.minimum;  in v4l2_queryctrl()
2594 		qc->maximum = qec.maximum;  in v4l2_queryctrl()
2595 		qc->step = qec.step;  in v4l2_queryctrl()
2596 		qc->default_value = qec.default_value;  in v4l2_queryctrl()
2599 		qc->minimum = 0;  in v4l2_queryctrl()
2600 		qc->maximum = 0;  in v4l2_queryctrl()
2601 		qc->step = 0;  in v4l2_queryctrl()
2602 		qc->default_value = 0;  in v4l2_queryctrl()
2609 int v4l2_subdev_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)  in v4l2_subdev_queryctrl()  argument
2611 	if (qc->id & (V4L2_CTRL_FLAG_NEXT_CTRL | V4L2_CTRL_FLAG_NEXT_COMPOUND))  in v4l2_subdev_queryctrl()
2613 	return v4l2_queryctrl(sd->ctrl_handler, qc);  in v4l2_subdev_queryctrl()