UVC_CTRL_DATA_BACKUP 1524 drivers/media/usb/uvc/uvc_ctrl.c uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP), UVC_CTRL_DATA_BACKUP 1673 drivers/media/usb/uvc/uvc_ctrl.c memcpy(uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP),