      LOG("configure input(%d): %d", i, err);
  
      // ISP: REQUEST_STREAM
      ss->stream_req.axi_stream_handle = 0;
      if (rear) {
        ss->stream_req.session_id = 2;
        ss->stream_req.stream_id = /*ISP_META_CHANNEL_BIT | */ISP_NATIVE_BUF_BIT | (1+i);
      } else {
        ss->stream_req.session_id = 3;
        ss->stream_req.stream_id = ISP_NATIVE_BUF_BIT | 1;
 
</s> remove   s->stream_cfg.num_streams = rear ? 3 : 1;
 </s> add   s->stream_cfg.num_streams = is_road_cam ? 3 : 1; </s> remove   if (rear) {
 </s> add   if (is_road_cam) { </s> remove     if (rear) {
 </s> add     if (is_road_cam) { </s> remove   front_start(&s->front);
  rear_start(&s->rear);
 </s> add   driver_camera_start(&s->driver_cam);
  road_camera_start(&s->road_cam); </s> remove   // init rear sensor
 </s> add   // init road camera sensor
    if (is_road_cam) {
      LOG("configure input(%d): %d", i, err);
  
      // ISP: REQUEST_STREAM
      ss->stream_req.axi_stream_handle = 0;
    if (is_road_cam) {
        ss->stream_req.session_id = 2;
        ss->stream_req.stream_id = /*ISP_META_CHANNEL_BIT | */ISP_NATIVE_BUF_BIT | (1+i);
      } else {
        ss->stream_req.session_id = 3;
        ss->stream_req.stream_id = ISP_NATIVE_BUF_BIT | 1;
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