基本信息：

sensor：hi4821 是4-cell sensor 作为rear camera

平台：mt6833

客户：w

现象：

zsl 预期走capture setting，但奇怪的是每次都走preview setting。

分析：

100  /**
101   * Make a function target - Security version
102   */
103  FunctionType_Configuration_SensorSettingPolicy makePolicy_Configuration_SensorSetting_Security()
132              if(sensorMode!=SENSOR_SCENARIO_ID_NORMAL_PREVIEW)
133              {
134                  // 4cell sensor need to use preview sensor mode
135                  if(infoHelper.get4CellSensorSupported())
136                  {
137                      MY_LOGD("4cell sensor need to use preview sensor mode");
138                      sensorMode = SENSOR_SCENARIO_ID_NORMAL_PREVIEW;
139                  }
140              }
141  
142              parseSensorSetting(res,sensorMode,infoHelper);

参考link

http://opengrok.668168.xyz:733/xref/full_k6873v1_64_pre/vendor/mediatek/proprietary/hardware/mtkcam3/pipeline/policy/config/SensorSettingPolicy_Security.cpp#142