  static void ops_thread(MultiCameraState *s) {
    int rear_op_id_last = 0;
    int front_op_id_last = 0;
  
    CameraExpInfo rear_op;
    CameraExpInfo front_op;
  
    set_thread_name("camera_settings");
    SubMaster sm({"sensorEvents"});
    while(!do_exit) {
      rear_op = rear_exp.load();
 
</s> remove   int rear_op_id_last = 0;
  int front_op_id_last = 0;
 </s> add   int last_road_cam_op_id = 0;
  int last_driver_cam_op_id = 0; </s> remove     rear_op = rear_exp.load();
    if (rear_op.op_id != rear_op_id_last) {
      do_autoexposure(&s->rear, rear_op.grey_frac);
      do_autofocus(&s->rear, &sm);
      rear_op_id_last = rear_op.op_id;
 </s> add     road_cam_op = road_cam_exp.load();
    if (road_cam_op.op_id != last_road_cam_op_id) {
      do_autoexposure(&s->road_cam, road_cam_op.grey_frac);
      do_autofocus(&s->road_cam, &sm);
      last_road_cam_op_id = road_cam_op.op_id; </s> remove   CameraState *c_handles[3] = {&s->wide, &s->rear, &s->front};
 </s> add   CameraState *c_handles[3] = {&s->wide_road_cam, &s->road_cam, &s->driver_cam}; </s> remove     CameraExpInfo tmp = rear_exp.load();
 </s> add     CameraExpInfo tmp = road_cam_exp.load(); </s> remove     rear_exp.store(tmp);
 </s> add     road_cam_exp.store(tmp);
  CameraExpInfo road_cam_op;
  CameraExpInfo driver_cam_op;
  static void ops_thread(MultiCameraState *s) {
    int rear_op_id_last = 0;
    int front_op_id_last = 0;
  
  CameraExpInfo road_cam_op;
  CameraExpInfo driver_cam_op;
  CameraExpInfo road_cam_op;
  CameraExpInfo driver_cam_op;
  
    set_thread_name("camera_settings");
    SubMaster sm({"sensorEvents"});
    while(!do_exit) {
      rear_op = rear_exp.load();
keep keep keep keep replace 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