uvc_query_ctrl
ret = uvc_query_ctrl(chain->dev, UVC_GET_DEF, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_GET_MIN, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_GET_MAX, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_GET_RES, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR,
ret = uvc_query_ctrl(dev, UVC_SET_CUR, ctrl->entity->id,
ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id,
ret = uvc_query_ctrl(dev, UVC_GET_LEN, ctrl->entity->id, dev->intfnum,
ret = uvc_query_ctrl(chain->dev, xqry->query, xqry->unit,
ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,
ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,
uvc_query_ctrl(chain->dev, UVC_SET_CUR, ctrl->entity->id,
ret = uvc_query_ctrl(dev, UVC_GET_CUR, entity->id, dev->intfnum,
ret = uvc_query_ctrl(dev, UVC_GET_MAX, entity->id, dev->intfnum,
ret = uvc_query_ctrl(dev, UVC_SET_CUR, entity->id, dev->intfnum,
ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, chain->selector->id,
ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, chain->selector->id,
int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,