se401_write_req
se401_write_req(gspca_dev, SE401_REQ_SET_BRT, val, 0);
se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 0, 0);
se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 1, 1);
se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 1, 0);
se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 1, 0);
se401_write_req(gspca_dev, SE401_REQ_SET_WIDTH,
se401_write_req(gspca_dev, SE401_REQ_SET_HEIGHT,
se401_write_req(gspca_dev, SE401_REQ_START_CONTINUOUS_CAPTURE, 0, 0);
se401_write_req(gspca_dev, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, 0);
se401_write_req(gspca_dev, SE401_REQ_LED_CONTROL, 0, 0);
se401_write_req(gspca_dev, SE401_REQ_CAMERA_POWER, 0, 0);