    CameraInfo ci;
  
    int fps;
    float digital_gain;
  
    float cur_gain_frac;
  
    mat3 transform;
  
    CameraBuf buf;
  } CameraState;
  
 
</s> remove   int camera_id;
 </s> add  </s> remove   int ispif_fd;

 </s> add 
    CameraInfo ci;
  
    int fps;
    float digital_gain;



    mat3 transform;
  
    CameraBuf buf;
  } CameraState;
  
keep keep keep keep replace replace replace keep keep keep keep keep
 webcam cleanup: remove unused variables (#2450) 
selfdrive/camerad/cameras/camera_webcam.h