  }
  
  void camera_autoexposure(CameraState *s, float grey_frac) {
    if (s->camera_num == 0) {
      CameraExpInfo tmp = rear_exp.load();
      tmp.op_id++;
      tmp.grey_frac = grey_frac;
      rear_exp.store(tmp);
    } else {
      CameraExpInfo tmp = front_exp.load();
 
</s> remove     rear_exp.store(tmp);
 </s> add     road_cam_exp.store(tmp); </s> remove     CameraExpInfo tmp = front_exp.load();
 </s> add     CameraExpInfo tmp = driver_cam_exp.load(); </s> remove     front_exp.store(tmp);
 </s> add     driver_cam_exp.store(tmp); </s> remove   CameraExpInfo rear_op;
  CameraExpInfo front_op;
 </s> add   CameraExpInfo road_cam_op;
  CameraExpInfo driver_cam_op; </s> remove   std::thread t = start_process_thread(s, "processing", &s->rear, camera_process_rear);
 </s> add   std::thread t = start_process_thread(s, &s->road_cam, process_road_camera);
    CameraExpInfo tmp = road_cam_exp.load();
  }
  
  void camera_autoexposure(CameraState *s, float grey_frac) {
    if (s->camera_num == 0) {
    CameraExpInfo tmp = road_cam_exp.load();
      tmp.op_id++;
      tmp.grey_frac = grey_frac;
      rear_exp.store(tmp);
    } else {
      CameraExpInfo tmp = front_exp.load();
keep keep keep keep replace keep keep keep keep keep
 camerad: rename variables&functions to follow new convention (#20096)

* rename CameraState variables to follow new convention

* continue

* rename camera_process functions

* qcom:rename exposure related variables

* continue

* update commments

* bool real -> bool is_road_cam

* rename sm_front -> sm

* remove paramater tname from start_process_thread

* rename rhd_front to is_rhd

* remove unused varialble name from struct CameraInfo

* rename env_send_xxx

* rename cap_front to cap_driver,cap_rear to cap_road

* rename xxx_camera_process to process_xxx_camera

* update snapshot.py 
selfdrive/camerad/cameras/camera_qcom.cc