Fix Native API references

Change-Id: Ic5937ee1a244f02f2bee64c3a2488d258096a02f
Signed-off-by: sooyeon.kim <sooyeon.kim@samsung.com>

diff --git a/include/vce.h b/include/vce.h
index 9f4d614..fab8f26 100644 (file)
--- a/include/vce.h
+++ b/include/vce.h
@@ -198,8 +198,8 @@ typedef struct vce_cmd_s* vce_cmd_h;
  *            For example, "ko_KR" for Korean, "en_US" for American English.
  * @param[in] user_data The user data passed from the foreach function
  * @return @c true to continue with the next iteration of the loop \n @c false to break out of the loop
- * @pre vce_foreach_supported_languages() will invoke this callback.
- * @see vce_foreach_supported_languages()
+ * @pre vce_foreach_supported_languages_cb() will invoke this callback.
+ * @see vce_foreach_supported_languages_cb()
  */
 typedef bool (*vce_supported_language_cb)(const char* language, void* user_data);
 
@@ -297,8 +297,8 @@ typedef int (*vce_set_language_cb)(const char* language);
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
  * @retval #VCE_ERROR_NOT_SUPPORTED_FEATURE Not supported command type
- * @post vce_start() is called after this function is successful.
- * @see vce_start()
+ * @post vce_start_cb() is called after this function is successful.
+ * @see vce_start_cb()
  * @see vcd_foreach_command()
  * @see vce_unset_commands()
  * @see vce_get_command_count()
@@ -334,8 +334,8 @@ typedef int (*vce_unset_commands_cb)(void);
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
  * @pre vcd_foreach_command() is successful.
  * @see vce_set_recording_data_cb()
- * @see vce_stop()
- * @see vce_cancel()
+ * @see vce_stop_cb()
+ * @see vce_cancel_cb()
  */
 typedef int (*vce_start_cb)(bool stop_by_silence);
 
@@ -353,10 +353,10 @@ typedef int (*vce_start_cb)(bool stop_by_silence);
  * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
- * @pre vce_start() is successful.
- * @see vce_start()
- * @see vce_cancel()
- * @see vce_stop()
+ * @pre vce_start_cb() is successful.
+ * @see vce_start_cb()
+ * @see vce_cancel_cb()
+ * @see vce_stop_cb()
  */
 typedef int(*vce_set_recording_data_cb)(const void* data, unsigned int length, vce_speech_detect_e* speech_detected);
 
@@ -368,11 +368,11 @@ typedef int(*vce_set_recording_data_cb)(const void* data, unsigned int length, v
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
  * @retval #VCE_ERROR_OUT_OF_NETWORK Out of network
- * @pre vce_set_recording_data() is successful.
- * @see vce_start()
- * @see vce_set_recording_data()
- * @see vce_result_cb()
- * @see vce_cancel()
+ * @pre vce_set_recording_data_cb() is successful.
+ * @see vce_start_cb()
+ * @see vce_set_recording_data_cb()
+ * @see vce_send_result()
+ * @see vce_cancel_cb()
  */
 typedef int (*vce_stop_cb)(void);
 
@@ -382,9 +382,9 @@ typedef int (*vce_stop_cb)(void);
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful.
  * @retval #VCE_ERROR_INVALID_STATE Invalid state.
- * @pre vce_start() is successful.
- * @see vce_start()
- * @see vce_stop()
+ * @pre vce_start_cb() is successful.
+ * @see vce_start_cb()
+ * @see vce_stop_cb()
  */
 typedef int (*vce_cancel_cb)(void);
 
@@ -407,8 +407,8 @@ typedef int (*vce_set_audio_type_cb)(const char* audio_type);
  * @param[in] credential Credential key.
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful.
- * @retval #VCE_ERROR_NOT_SUPPORTED_FEATURE Not supported feature.
  * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied.
+ * @retval #VCE_ERROR_NOT_SUPPORTED_FEATURE Not supported feature.
  */
 typedef int (*vce_set_server_dialog_cb)(const char* app_id, const char* credential);
 
@@ -618,7 +618,7 @@ typedef int (*vce_cancel_tts_cb)(int pid, int utt_id, void* user_data);
  * @pre An application registers callback function using vce_set_tts_audio_format_request_cb().
  *
  * @see vce_set_tts_audio_format_request_cb()
- * @see vce_unset_tts_audio_format_request_cb()
+ * @see vce_unset_get_tts_audio_format_cb()
  */
 typedef int (*vce_tts_audio_format_request_cb)(int* rate, int* channel, int* audio_type, void* user_data);
 
@@ -629,10 +629,10 @@ typedef int (*vce_tts_audio_format_request_cb)(int* rate, int* channel, int* aud
  * @since_tizen @if MOBILE 4.0 @elseif WEARABLE 5.0 @endif
  * @remarks You must register all callbacks except optional callbacks for operating VC engine.\n
  *      The following callbacks are optional callbacks : \n
- *      - vce_private_data_set_cb \n
- *      - vce_private_data_requested_cb \n
- *      - vce_nlu_base_info_requested_cb \n
- *      - vce_specific_engine_request_cb \n
+ *      - vce_private_data_set_cb() \n
+ *      - vce_private_data_requested_cb() \n
+ *      - vce_nlu_base_info_requested_cb() \n
+ *      - vce_specific_engine_request_cb() \n
  *      If you want to use the optional callbacks, you can set them using vce_set_private_data_set_cb(), vce_set_private_data_requested_cb(), vce_set_nlu_base_info_requested_cb(), and vce_set_specific_engine_request_cb() functions.
  *
  * @see vce_main()
@@ -691,14 +691,13 @@ typedef struct {
  * @param[in] callback The structure of engine request callback function
  * @return This function returns @c zero on success, or negative with error code on failure
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
- * @pre The vce_get_engine_info() should be successful.
- * @see vce_get_engine_info()
- * @see vce_unload_engine()
+ * @pre The vce_get_info_cb() should be successful.
+ * @see vce_get_info_cb()
  * @see vce_request_callback_s
  * @code
 #include <vce.h>
@@ -900,9 +899,9 @@ int vce_send_error(vce_error_e error, const char* msg, void* user_data);
  * @param[in] callback_func vce_private_data_set event callback function
  * @return @c 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
  * @retval #VCE_ERROR_NOT_SUPPORTED_FEATURE Not supported feature
  * @pre The vce_main() function should be invoked before this function is called.
@@ -919,9 +918,9 @@ int vce_set_private_data_set_cb(vce_private_data_set_cb callback_func);
  * @param[in] callback_func vce_private_data_requested event callback function
  * @return @c 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
  * @see vce_private_data_requested_cb()
  */
@@ -949,8 +948,8 @@ int vce_set_nlu_base_info_requested_cb(vce_nlu_base_info_requested_cb callback_f
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  *
  * @see vce_unset_specific_engine_request_cb()
  */
@@ -961,8 +960,8 @@ int vce_set_specific_engine_request_cb(vce_specific_engine_request_cb callback_f
  * @since_tizen @if MOBILE 4.0 @elseif WEARABLE 5.0 @endif
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_NONE Successful
+ * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
  *
  * @see vce_set_specific_engine_request_cb()
  */
@@ -972,7 +971,7 @@ int vce_unset_specific_engine_request_cb(void);
  * @brief Retrieves all commands using callback function.
  * @since_tizen @if MOBILE 4.0 @elseif WEARABLE 5.0 @endif
  *
- * @param[in] vce_command The handle to be passed to the vce_set_commands() function
+ * @param[in] vce_command The handle to be passed to the vce_set_commands_cb() function
  * @param[in] callback The callback function to invoke
  * @param[in] user_data The user data to be passed to the callback function
  *
@@ -982,8 +981,8 @@ int vce_unset_specific_engine_request_cb(void);
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
  * @post This function invokes vce_command_cb() repeatedly for getting commands.
- * @see vce_foreach_command_cb()
- * @see vce_set_commands()
+ * @see vce_command_cb()
+ * @see vce_set_commands_cb()
  */
 int vce_get_foreach_command(vce_cmd_h vce_command, vce_command_cb callback, void* user_data);
 
@@ -991,14 +990,14 @@ int vce_get_foreach_command(vce_cmd_h vce_command, vce_command_cb callback, void
  * @brief Gets command length.
  * @since_tizen @if MOBILE 4.0 @elseif WEARABLE 5.0 @endif
  *
- * @param[in] vce_command The handle to be passed to the vce_set_commands() function
+ * @param[in] vce_command The handle to be passed to the vce_set_commands_cb() function
  * @param[out] count The command count value
  *
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful
  * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
- * @see vce_set_commands()
+ * @see vce_set_commands_cb()
  */
 int vce_get_command_count(vce_cmd_h vce_command, int* count);
 
@@ -1011,9 +1010,9 @@ int vce_get_command_count(vce_cmd_h vce_command, int* count);
  * @param[in] audio_type Current audio type (e.g. #VCE_AUDIO_ID_BLUETOOTH or #VCE_AUDIO_ID_WIFI)
  * @return the value greater than 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  */
 int vce_get_audio_type(char** audio_type);
 
@@ -1026,11 +1025,11 @@ int vce_get_audio_type(char** audio_type);
  * @param[in] data Private data
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
+ * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
- * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
  */
 int vce_set_private_data(const char* key, const char* data);
@@ -1045,11 +1044,11 @@ int vce_set_private_data(const char* key, const char* data);
  * @param[out] data Private data
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_INVALID_STATE Invalid state
+ * @retval #VCE_ERROR_OUT_OF_MEMORY Out of Memory
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failed
  */
 int vce_get_private_data(const char* key, char** data);
@@ -1061,8 +1060,8 @@ int vce_get_private_data(const char* key, char** data);
  * @privilege %http://tizen.org/privilege/recorder
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
  * @retval #VCE_ERROR_RECORDER_BUSY Busy recorder
  */
@@ -1075,8 +1074,8 @@ int vce_start_recording(void);
  * @privilege %http://tizen.org/privilege/recorder
  * @return 0 on success, otherwise a negative error value.
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VCE_ERROR_OPERATION_FAILED Operation failure
  */
 int vce_stop_recording(void);
@@ -1124,8 +1123,8 @@ int vce_send_feedback_streaming(vce_feedback_event_e event, char* buffer, int le
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  *
  * @see vce_request_tts_cb()
  * @see vce_unset_request_tts_cb()
@@ -1137,8 +1136,8 @@ int vce_set_request_tts_cb(vce_request_tts_cb callback_func, void* user_data);
  * @since_tizen 5.0
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_NONE Successful
+ * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
  *
  * @see vce_set_request_tts_cb()
  */
@@ -1153,8 +1152,8 @@ int vce_unset_request_tts_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  *
  * @see vce_cancel_tts_cb()
  * @see vce_unset_cancel_tts_cb()
@@ -1166,8 +1165,8 @@ int vce_set_cancel_tts_cb(vce_cancel_tts_cb callback_func, void* user_data);
  * @since_tizen 5.0
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_NONE Successful
+ * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
  *
  * @see vce_set_cancel_tts_cb()
  */
@@ -1182,8 +1181,8 @@ int vce_unset_cancel_tts_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VCE_ERROR_NONE Successful
- * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_INVALID_PARAMETER Invalid parameter
  *
  * @see vce_tts_audio_format_request_cb()
  * @see vce_unset_get_tts_audio_format_cb()
@@ -1195,10 +1194,10 @@ int vce_set_tts_audio_format_request_cb(vce_tts_audio_format_request_cb callback
  * @since_tizen 5.0
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED Not supported
+ * @retval #VCE_ERROR_NONE Successful
+ * @retval #VCE_ERROR_NOT_SUPPORTED Not supported
  *
- * @see vce_set_tts_audio_format_cb()
+ * @see vce_set_tts_audio_format_request_cb()
  */
 int vce_unset_get_tts_audio_format_cb(void);
 

diff --git a/include/voice_control.h b/include/voice_control.h
index 5e28d19..69172d2 100644 (file)
--- a/include/voice_control.h
+++ b/include/voice_control.h
@@ -232,9 +232,6 @@ int vc_get_state(vc_state_e* state);
  * @retval #VC_ERROR_PERMISSION_DENIED Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED Not supported
  * @pre The state should be #VC_STATE_READY.
- * @see vc_request_start()
- * @see vc_request_stop()
- * @see vc_request_cancel()
  * @see vc_set_service_state_changed_cb()
  * @see vc_unset_service_state_changed_cb()
  */

diff --git a/include/voice_control_manager.h b/include/voice_control_manager.h
index c728910..f14e5f6 100644 (file)
--- a/include/voice_control_manager.h
+++ b/include/voice_control_manager.h
@@ -193,19 +193,19 @@ typedef bool (*vc_mgr_all_result_cb)(vc_result_event_e event, vc_cmd_list_h vc_c
 typedef void (*vc_mgr_pre_result_cb)(vc_pre_result_event_e event, const char *result, void *user_data);
 
 /**
-* @brief Called when client gets the specific engine's result from vc-service.
-* @since_tizen 5.0
-*
-* @param[in] engine_app_id The specific engine's app id
-* @param[in] event The specific engine event type
-* @param[in] result The specific engine result
-* @param[in] user_data The user data passed from the callback registration function
-*
-* @pre An application registers callback function using vc_mgr_set_specific_engine_result_cb().
-*
-* @see vc_mgr_set_specific_engine_result_cb()
-* @see vc_mgr_unset_specific_engine_result_cb()
-*/
+ * @brief Called when client gets the specific engine's result from vc-service.
+ * @since_tizen 5.0
+ *
+ * @param[in] engine_app_id The specific engine's app id
+ * @param[in] event The specific engine event type
+ * @param[in] result The specific engine result
+ * @param[in] user_data The user data passed from the callback registration function
+ *
+ * @pre An application registers callback function using vc_mgr_set_specific_engine_result_cb().
+ *
+ * @see vc_mgr_set_specific_engine_result_cb()
+ * @see vc_mgr_unset_specific_engine_result_cb()
+ */
 typedef void (*vc_mgr_specific_engine_result_cb)(const char* engine_app_id, const char* event, const char* result, void *user_data);
 
 /**
@@ -277,7 +277,7 @@ typedef int (*vc_mgr_private_data_requested_cb)(const char *key, char **data, vo
 
 /* for TTS feedback */
 /**
- * @brief Called when engine sends audio formats necessary for playing TTS feedback 
+ * @brief Called when engine sends audio formats necessary for playing TTS feedback.
  * @since_tizen 5.0
  *
  * @param[in] rate Audio sampling rate
@@ -293,7 +293,7 @@ typedef int (*vc_mgr_private_data_requested_cb)(const char *key, char **data, vo
 typedef void (*vc_mgr_feedback_audio_format_cb)(int rate, vc_audio_channel_e channel, vc_audio_type_e audio_type, void *user_data);
 
 /**
- * @brief Called when engine sends audio streaming for TTS feedback
+ * @brief Called when engine sends audio streaming for TTS feedback.
  * @since_tizen 5.0
  *
  * @remarks The @a buffer must be released with free() by you when you no longer need it.
@@ -311,7 +311,7 @@ typedef void (*vc_mgr_feedback_audio_format_cb)(int rate, vc_audio_channel_e cha
 typedef void (*vc_mgr_feedback_streaming_cb)(vc_feedback_event_e event, char* buffer, int len, void *user_data);
 
 /**
- * @brief Called when the vc client sends audio streaming for TTS feedback
+ * @brief Called when the vc client sends audio streaming for TTS feedback.
  * @since_tizen 5.0
  *
  * @remarks The @a buffer must be released with free() by you when you no longer need it.
@@ -345,10 +345,10 @@ typedef void (*vc_mgr_vc_tts_streaming_cb)(int pid, int utt_id, vc_feedback_even
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_OUT_OF_MEMORY       Out of memory
  * @retval #VC_ERROR_OPERATION_FAILED    Operation fail
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_NONE.
  * @post If this function is called, the state will be #VC_STATE_INITIALIZED.
@@ -367,9 +367,9 @@ int vc_mgr_initialize(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @post If this function is called, the state will be #VC_STATE_NONE.
  *
@@ -387,9 +387,9 @@ int vc_mgr_deinitialize(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  * @post If this function is called, the state will be #VC_STATE_READY.
@@ -408,9 +408,9 @@ int vc_mgr_prepare(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_READY.
  * @post If this function is called, the state will be #VC_STATE_INITIALIZED.
@@ -432,11 +432,11 @@ int vc_mgr_unprepare(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should NOT be #VC_SERVICE_STATE_NONE.
  * @post This function invokes vc_supported_language_cb() for each supported language.
@@ -462,12 +462,12 @@ int vc_mgr_foreach_supported_languages(vc_supported_language_cb callback, void *
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_OUT_OF_MEMORY       Out of memory
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should NOT be #VC_SERVICE_STATE_NONE.
  *
@@ -487,10 +487,10 @@ int vc_mgr_get_current_language(char **language);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should NOT be #VC_SERVICE_STATE_NONE.
  *
@@ -511,11 +511,11 @@ int vc_mgr_get_state(vc_state_e *state);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -542,10 +542,10 @@ int vc_mgr_get_service_state(vc_service_state_e *state);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  */
@@ -566,10 +566,10 @@ int vc_mgr_is_command_format_supported(int format, bool *support);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -589,9 +589,9 @@ int vc_mgr_set_command_list(vc_cmd_list_h vc_cmd_list);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -614,11 +614,11 @@ int vc_mgr_unset_command_list(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -641,11 +641,11 @@ int vc_mgr_set_command_list_from_file(const char *file_path, int type);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -667,11 +667,11 @@ int vc_mgr_set_preloaded_commands_from_file(const char *file_path);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY and the service state should be #VC_SERVICE_STATE_READY.
  */
@@ -689,11 +689,11 @@ int vc_mgr_get_current_commands(vc_cmd_list_h *vc_cmd_list);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED    Operation failure
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY and the service state should be #VC_SERVICE_STATE_READY.
  *
@@ -715,10 +715,10 @@ int vc_mgr_set_audio_type(const char *audio_id);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY and the service state should be #VC_SERVICE_STATE_READY.
  *
@@ -738,10 +738,10 @@ int vc_mgr_get_audio_type(char **audio_id);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY and the service state should be #VC_SERVICE_STATE_READY.
  *
@@ -761,10 +761,10 @@ int vc_mgr_set_recognition_mode(vc_recognition_mode_e mode);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -787,11 +787,11 @@ int vc_mgr_get_recognition_mode(vc_recognition_mode_e *mode);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_OUT_OF_MEMORY       Not enough memory
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
+ * @retval #VC_ERROR_OUT_OF_MEMORY       Not enough memory
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_READY.
  */
@@ -813,11 +813,11 @@ int vc_mgr_set_private_data(const char *key, const char *data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_OUT_OF_MEMORY       Not enough memory
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
+ * @retval #VC_ERROR_OUT_OF_MEMORY       Not enough memory
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_READY.
  */
@@ -836,37 +836,37 @@ int vc_mgr_get_private_data(const char *key, char **data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_OUT_OF_MEMORY       Not enough memory
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_READY.
  */
 int vc_mgr_do_action(vc_send_event_type_e type, char *send_event);
 
 /**
-* @platform
-* @brief Sends the specific engine request to the vc-service.
-* @since_tizen 5.0
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @param[in] engine_app_id A specific engine's app id
-* @param[in] event A engine service user request event
-* @param[in] request A engine service user request text
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_OUT_OF_MEMORY Not enough memory
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_INVALID_PARAMETER Invalid parameter
-* @retval #VC_ERROR_OPERATION_FAILED Operation failure
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*/
+ * @platform
+ * @brief Sends the specific engine request to the vc-service.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @param[in] engine_app_id A specific engine's app id
+ * @param[in] event A engine service user request event
+ * @param[in] request A engine service user request text
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #VC_ERROR_OUT_OF_MEMORY      Not enough memory
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ * @retval #VC_ERROR_OPERATION_FAILED   Operation failure
+ */
 int vc_mgr_send_specific_engine_request(const char* engine_app_id, const char* event, const char* request);
 
 /**
@@ -884,12 +884,12 @@ int vc_mgr_send_specific_engine_request(const char* engine_app_id, const char* e
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                       Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED              VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED          Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER          Invalid parameter.
  * @retval #VC_ERROR_INVALID_STATE              Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED           Operation failure
  * @retval #VC_ERROR_IN_PROGRESS_TO_RECORDING   In progress to recording
- * @retval #VC_ERROR_PERMISSION_DENIED          Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED              VC not supported
  *
  * @pre The state should be #VC_STATE_READY and the service state should be #VC_SERVICE_STATE_READY.
  * @post It will invoke vc_service_state_changed_cb(), if you register a callback with vc_service_state_changed_cb(). \n
@@ -913,13 +913,13 @@ int vc_mgr_start(bool exclusive_command_option);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                        Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED               VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED           Permission denied
  * @retval #VC_ERROR_INVALID_STATE               Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED            Operation failure
  * @retval #VC_ERROR_IN_PROGRESS_TO_READY        In progress to ready
  * @retval #VC_ERROR_IN_PROGRESS_TO_RECORDING    In progress to recording
  * @retval #VC_ERROR_IN_PROGRESS_TO_PROCESSING   In progress to processing
- * @retval #VC_ERROR_PERMISSION_DENIED           Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED               VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_RECORDING.
  * @post It will invoke vc_service_state_changed_cb(), if you register a callback with vc_service_state_changed_cb(). \n
@@ -928,7 +928,7 @@ int vc_mgr_start(bool exclusive_command_option);
  * @see vc_mgr_start()
  * @see vc_mgr_cancel()
  * @see vc_service_state_changed_cb()
- * @see vc_mgr_result_cb()
+ * @see vc_result_cb()
  */
 int vc_mgr_stop(void);
 
@@ -942,14 +942,14 @@ int vc_mgr_stop(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                        Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED               VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED           Permission denied
  * @retval #VC_ERROR_OUT_OF_MEMORY               Not enough memory
  * @retval #VC_ERROR_INVALID_STATE               Invalid state
  * @retval #VC_ERROR_OPERATION_FAILED            Operation failure
  * @retval #VC_ERROR_IN_PROGRESS_TO_READY        In progress to ready
  * @retval #VC_ERROR_IN_PROGRESS_TO_RECORDING    In progress to recording
  * @retval #VC_ERROR_IN_PROGRESS_TO_PROCESSING   In progress to processing
- * @retval #VC_ERROR_PERMISSION_DENIED           Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED               VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_RECORDING or #VC_SERVICE_STATE_PROCESSING.
  * @post It will invoke vc_service_state_changed_cb(), if you register a callback with vc_service_state_changed_cb(). \n
@@ -973,10 +973,10 @@ int vc_mgr_cancel(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The service state should be #VC_SERVICE_STATE_RECORDING.
  *
@@ -998,9 +998,9 @@ int vc_mgr_get_recording_volume(float *volume);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre vc_mgr_all_result_cb() should be called
  *
@@ -1022,10 +1022,10 @@ int vc_mgr_set_selected_results(vc_cmd_list_h vc_cmd_list);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1044,9 +1044,9 @@ int vc_mgr_set_all_result_cb(vc_mgr_all_result_cb callback, void *user_data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1067,10 +1067,10 @@ int vc_mgr_unset_all_result_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1089,9 +1089,9 @@ int vc_mgr_set_pre_result_cb(vc_mgr_pre_result_cb callback, void *user_data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1100,39 +1100,42 @@ int vc_mgr_set_pre_result_cb(vc_mgr_pre_result_cb callback, void *user_data);
 int vc_mgr_unset_pre_result_cb(void);
 
 /**
-* @brief Registers a callback function for getting specific engine result.
-* @since_tizen 5.0
-*
-* @param[in] callback Callback function to register
-* @param[in] user_data The user data to be passed to the callback function
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_PARAMETER Invalid parameter
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED Not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_unset_specific_engine_result_cb()
-*/
+ * @platform
+ * @brief Sets a callback function for getting specific engine result.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @param[in] callback Callback function to register
+ * @param[in] user_data The user data to be passed to the callback function
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      Not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_unset_specific_engine_result_cb()
+ */
 int vc_mgr_set_specific_engine_result_cb(vc_mgr_specific_engine_result_cb callback, void* user_data);
 
 /**
-* @brief Unregisters the specific engine result callback function.
-* @since_tizen 5.0
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED Not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_set_specific_engine_result_cb()
-*/
+ * @brief Unsets the specific engine result callback function.
+ * @since_tizen 5.0
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE           Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED  Not supported
+ * @retval #VC_ERROR_INVALID_STATE  Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_set_specific_engine_result_cb()
+ */
 int vc_mgr_unset_specific_engine_result_cb(void);
 
 /**
@@ -1148,10 +1151,10 @@ int vc_mgr_unset_specific_engine_result_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1170,9 +1173,9 @@ int vc_mgr_set_result_cb(vc_result_cb callback, void *user_data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1193,10 +1196,10 @@ int vc_mgr_unset_result_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1215,9 +1218,9 @@ int vc_mgr_set_state_changed_cb(vc_state_changed_cb callback, void *user_data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1238,10 +1241,10 @@ int vc_mgr_unset_state_changed_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1260,9 +1263,9 @@ int vc_mgr_set_service_state_changed_cb(vc_service_state_changed_cb callback, vo
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1283,10 +1286,10 @@ int vc_mgr_unset_service_state_changed_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1305,9 +1308,9 @@ int vc_mgr_set_speech_detected_cb(vc_mgr_begin_speech_detected_cb callback, void
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1328,10 +1331,10 @@ int vc_mgr_unset_speech_detected_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1350,9 +1353,9 @@ int vc_mgr_set_current_language_changed_cb(vc_current_language_changed_cb callba
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1375,12 +1378,12 @@ int vc_mgr_unset_current_language_changed_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
  * @retval $VC_ERROR_OPERATION_FAILED    Operation failure
  * @retval #VC_ERROR_OUT_OF_MEMORY       Out of memory
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @see vc_error_cb()
  */
@@ -1399,10 +1402,10 @@ int vc_mgr_get_error_message(char **err_msg);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1421,9 +1424,9 @@ int vc_mgr_set_error_cb(vc_error_cb callback, void *user_data);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1445,10 +1448,10 @@ int vc_mgr_unset_error_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1466,9 +1469,9 @@ int vc_mgr_set_dialog_request_cb(vc_mgr_dialog_request_cb callback, void *user_d
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1488,10 +1491,10 @@ int vc_mgr_unset_dialog_request_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -1511,10 +1514,10 @@ int vc_mgr_enable_command_type(int cmd_type);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_READY.
  *
@@ -1535,14 +1538,14 @@ int vc_mgr_disable_command_type(int cmd_type);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
- * @see vc_private_data_set_cb()
+ * @see vc_mgr_private_data_set_cb()
  * @see vc_mgr_unset_private_data_set_cb()
  */
 int vc_mgr_set_private_data_set_cb(vc_mgr_private_data_set_cb callback, void *user_data);
@@ -1557,9 +1560,9 @@ int vc_mgr_set_private_data_set_cb(vc_mgr_private_data_set_cb callback, void *us
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1580,14 +1583,14 @@ int vc_mgr_unset_private_data_set_cb(void);
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_INVALID_PARAMETER   Invalid parameter
  * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
- * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
- * @see vc_private_data_requested_cb()
+ * @see vc_mgr_private_data_requested_cb()
  * @see vc_mgr_unset_private_data_requested_cb()
  */
 int vc_mgr_set_private_data_requested_cb(vc_mgr_private_data_requested_cb callback, void *user_data);
@@ -1602,9 +1605,9 @@ int vc_mgr_set_private_data_requested_cb(vc_mgr_private_data_requested_cb callba
  *
  * @return 0 on success, otherwise a negative error value
  * @retval #VC_ERROR_NONE                Successful
- * @retval #VC_ERROR_INVALID_STATE       Invalid state
- * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
  * @retval #VC_ERROR_NOT_SUPPORTED       VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED   Permission denied
+ * @retval #VC_ERROR_INVALID_STATE       Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1614,144 +1617,144 @@ int vc_mgr_unset_private_data_requested_cb(void);
 
 /* for TTS feedback */
 /**
-* @platform
-* @brief Sets a callback function to be called when engine sends audio formats necessary for playing TTS feedback.
-* @since_tizen 5.0
-*
-* @param[in] callback Callback function to set
-* @param[in] user_data The user data to be passed to the callback function
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_PARAMETER Invalid parameter
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_feedback_audio_format_cb()
-* @see vc_mgr_unset_feedback_audio_format_cb()
-*/
+ * @platform
+ * @brief Sets a callback function to be called when engine sends audio formats necessary for playing TTS feedback.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @param[in] callback Callback function to set
+ * @param[in] user_data The user data to be passed to the callback function
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_feedback_audio_format_cb()
+ * @see vc_mgr_unset_feedback_audio_format_cb()
+ */
 int vc_mgr_set_feedback_audio_format_cb(vc_mgr_feedback_audio_format_cb callback, void* user_data);
 
 /**
-* @platform
-* @brief Unsets a callback function to be called when engine sends audio formats necessary for playing TTS feedback.
-* @since_tizen 5.0
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_feedback_audio_format_cb()
-* @see vc_mgr_set_feedback_audio_format_cb()
-*/
+ * @platform
+ * @brief Unsets a callback function to be called when engine sends audio formats necessary for playing TTS feedback.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_feedback_audio_format_cb()
+ * @see vc_mgr_set_feedback_audio_format_cb()
+ */
 int vc_mgr_unset_feedback_audio_format_cb(void);
 
 /**
-* @platform
-* @brief Sets a callback function to be called when engine sends audio streaming for TTS feedback.
-* @since_tizen 5.0
-*
-* @param[in] callback Callback function to set
-* @param[in] user_data The user data to be passed to the callback function
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_PARAMETER Invalid parameter
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_feedback_streaming_cb()
-* @see vc_mgr_unset_feedback_streaming_cb()
-*/
+ * @platform
+ * @brief Sets a callback function to be called when engine sends audio streaming for TTS feedback.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @param[in] callback Callback function to set
+ * @param[in] user_data The user data to be passed to the callback function
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_feedback_streaming_cb()
+ * @see vc_mgr_unset_feedback_streaming_cb()
+ */
 int vc_mgr_set_feedback_streaming_cb(vc_mgr_feedback_streaming_cb callback, void* user_data);
 
 /**
-* @platform
-* @brief Unsets a callback function to be called when engine sends audio streaming for TTS feedback.
-* @since_tizen 5.0
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_INITIALIZED.
-*
-* @see vc_mgr_feedback_streaming_cb()
-* @see vc_mgr_set_feedback_streaming_cb()
-*/
+ * @platform
+ * @brief Unsets a callback function to be called when engine sends audio streaming for TTS feedback.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_INITIALIZED.
+ *
+ * @see vc_mgr_feedback_streaming_cb()
+ * @see vc_mgr_set_feedback_streaming_cb()
+ */
 int vc_mgr_unset_feedback_streaming_cb(void);
 
 /**
-* @platform
-* @brief Starts getting TTS feedback streaming data from the buffer.
-* @since_tizen 5.0
-*
-* @remarks In order to get TTS feedback streaming data, the application should set 'vc_mgr_feedback_streaming_cb()' using vc_mgr_set_feedback_streaming_cb().
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_READY. \n
-*      'vc_mgr_feedback_streaming_cb()' should be registered.
-*
-* @see vc_mgr_feedback_streaming_cb()
-* @see vc_mgr_set_feedback_streaming_cb()
-* @see vc_mgr_unset_feedback_streaming_cb()
-* @see vc_mgr_stop_feedback()
-*/
+ * @platform
+ * @brief Starts getting TTS feedback streaming data from the buffer.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @remarks In order to get TTS feedback streaming data, the application should set 'vc_mgr_feedback_streaming_cb()' using vc_mgr_set_feedback_streaming_cb().
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_READY. \n
+ *      'vc_mgr_feedback_streaming_cb()' should be registered.
+ *
+ * @see vc_mgr_feedback_streaming_cb()
+ * @see vc_mgr_set_feedback_streaming_cb()
+ * @see vc_mgr_unset_feedback_streaming_cb()
+ * @see vc_mgr_stop_feedback()
+ */
 int vc_mgr_start_feedback(void);
 
 /**
-* @platform
-* @brief Stops getting and removes TTS feedback streaming data from the buffer.
-* @since_tizen 5.0
-*
-* @privlevel platform
-* @privilege %http://tizen.org/privilege/voicecontrol.manager
-*
-* @return 0 on success, otherwise a negative error value
-* @retval #VC_ERROR_NONE Successful
-* @retval #VC_ERROR_INVALID_STATE Invalid state
-* @retval #VC_ERROR_PERMISSION_DENIED Permission denied
-* @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
-*
-* @pre The state should be #VC_STATE_READY.
-*
-* @see vc_mgr_feedback_streaming_cb()
-* @see vc_mgr_set_feedback_streaming_cb()
-* @see vc_mgr_unset_feedback_streaming_cb()
-* @see vc_mgr_start_feedback()
-*/
+ * @platform
+ * @brief Stops getting and removes TTS feedback streaming data from the buffer.
+ * @since_tizen 5.0
+ *
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/voicecontrol.manager
+ *
+ * @return 0 on success, otherwise a negative error value
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
+ *
+ * @pre The state should be #VC_STATE_READY.
+ *
+ * @see vc_mgr_feedback_streaming_cb()
+ * @see vc_mgr_set_feedback_streaming_cb()
+ * @see vc_mgr_unset_feedback_streaming_cb()
+ * @see vc_mgr_start_feedback()
+ */
 int vc_mgr_stop_feedback(void);
 
 /**
@@ -1766,11 +1769,11 @@ int vc_mgr_stop_feedback(void);
  * @param[in] user_data The user data to be passed to the callback function
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED     VC not supported
- * @retval #VC_ERROR_PERMISSION_DENIED Permission denied
- * @retval #VC_ERROR_INVALID_STATE Invalid state
- * @retval #VC_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *
@@ -1788,10 +1791,10 @@ int vc_mgr_set_vc_tts_streaming_cb(vc_mgr_vc_tts_streaming_cb callback, void* us
  * @privilege %http://tizen.org/privilege/voicecontrol.manager
  *
  * @return 0 on success, otherwise a negative error value
- * @retval #VC_ERROR_NONE Successful
- * @retval #VC_ERROR_NOT_SUPPORTED     VC not supported
- * @retval #VC_ERROR_PERMISSION_DENIED Permission denied
- * @retval #VC_ERROR_INVALID_STATE Invalid state
+ * @retval #VC_ERROR_NONE               Successful
+ * @retval #VC_ERROR_NOT_SUPPORTED      VC not supported
+ * @retval #VC_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #VC_ERROR_INVALID_STATE      Invalid state
  *
  * @pre The state should be #VC_STATE_INITIALIZED.
  *