stk_sensor_set_brightness  833 drivers/media/usb/stkwebcam/stk-webcam.c 		return stk_sensor_set_brightness(dev, ctrl->val);
stk_sensor_set_brightness  119 drivers/media/usb/stkwebcam/stk-webcam.h int stk_sensor_set_brightness(struct stk_camera *dev, int br);