camera flash flow(临时)

kconfig config MSM_CAMERA_FLASH .config /kernel/drivers/media/video/msm/Kconfig ?? ?config MSM_CAMERA_FLASH ?? ??? ?bool "Qualcomm MSM camera flash support" ?? ??? ?depends on MSM_CAMERA && !ARCH_MSM8X60 ?? ??? ?default n ?? ??? ?---help--- ?? ??? ?? Enable support for LED flash for msm camera 试着从这里关掉，结果不成功：（ ！！ FLOW: from java APP TO DRV packages/apps/Camera/src/com/android/camera/CameraSettings.java private void initPreference(PreferenceGroup group) { ?? ?... ??????? if (flashMode != null) { ??????????? filterUnsupportedOptions(group,??????????????????? flashMode,mParameters.getSupportedFlashModes()); ??????? } ?? ?... ｝ frameworks/base/core/java/android/hardware/camera.java ??????? public List<String> getSupportedFlashModes() { ??????????? String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); ??????????? //yue? KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX="flash-mode-values" //??????????? return null; ??????????? Log.e("CAM","------->getSupportedFlashModes()"); ??????????? Log.e("CAM","str ="+str); ???????????? Log.e("CAM","RETURN:List<String> ="+split(str)); ??????????? return split(str); ??????? } frameworks/base/libs/camera/CameraParameters.cpp --->编译到system/lib/libcamera_client.so ?? ?const char CameraParameters::KEY_SUPPORTED_FLASH_MODES[] = "flash-mode-values"; vendor/qcom/android-open/libcamera2/QualcommCameraHardware.cpp--->编译到system/lib/libcamera.so ?? ?void QualcommCameraHardware::initDefaultParameters() ?? ?{? ? ?? ??? ?... ?? ??? ?if (mSensorInfo.flash_enabled) { ?? ??? ?mParameters.set(CameraParameters::KEY_FLASH_MODE,?? ??? ???????????????? CameraParameters::FLASH_MODE_OFF); ?? ??? ?mParameters.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES,?? ??? ???????????????? flash_values); ?? ??? ?} ?? ??? ?... ?? ?} ?? ?bool QualcommCameraHardware::startCamera() ?? ?{ ?? ? ... ?? ? if (ioctl(mCameraControlFd,?? ??? ?????? MSM_CAM_IOCTL_GET_SENSOR_INFO,?? ??? ?????? &mSensorInfo) < 0) ?? ??? ?LOGW("%s: cannot retrieve sensor info!",__FUNCTION__); ?? ???? else ?? ??? ?LOGI("%s: camsensor name %s,flash %d",__FUNCTION__,?? ??? ????? mSensorInfo.name,mSensorInfo.flash_enabled); ?? ?... ?? ?} kernel/drivers/media/video/msm/msm_camera.c--->编译到??????????????system/lib/libcamera.so ?? ?static long msm_ioctl_config(struct file *filep,unsigned int cmd,?? ??? ?unsigned long arg) ?? ?{ ?? ?... ?? ?switch (cmd) {?? ? ?? ??? ?case MSM_CAM_IOCTL_GET_SENSOR_INFO: ?? ??? ??? ?rc = msm_get_sensor_info(pmsm->sync,argp); ?? ??? ??? ?break; ?? ?... ?? ?} ?? ?static int msm_get_sensor_info(struct msm_sync *sync,void __user *arg) ?? ?{ ?? ??? ?... ?? ??? ?memcpy(&info.name[0],?? ??? ??? ?sdata->sensor_name,?? ??? ??? ?MAX_SENSOR_NAME); ?? ??? ?info.flash_enabled = sdata->flash_data->flash_type != ?? ??? ??? ?MSM_CAMERA_FLASH_NONE; ?? ??? ?... ?? ?} kernel/arch/arm/mach-msm/board-msm7x27-qrd.c--->编译到??????????????system/lib/libcamera.so ?? ?static struct msm_camera_sensor_info msm_camera_sensor_ov2655_data = { ?? ??? ?.sensor_name?? ?= "ov2655",?? ??? ?.sensor_reset?? ?= 89,?? ??? ?.sensor_pwd ?? ?= 27,?? ??? ?.vcm_pwd?? ?= 0,?? ??? ?.vcm_enable ?? ?= 0,?? ??? ?.pdata?? ??? ??? ?= &msm_camera_device_data,?? ??? ?.flash_data ?? ?= &flash_ov2655 ?? ?}; ?? ?static struct msm_camera_sensor_flash_data flash_ov2655 = { ?? ?//?? ?.flash_type = MSM_CAMERA_FLASH_LED,?? ??? ?.flash_type = MSM_CAMERA_FLASH_NONE,?? ??? ?.flash_src?? ?= &msm_flash_src ?? ?//yuebao ?? ?};