Move audio gateway APIs from internal to extension header

Change-Id: I50dd9bc5a39b9444c99882436a6271930c5f74a3
Signed-off-by: DoHyun Pyun <dh79.pyun@samsung.com>

6 files changed, 375 insertions, 375 deletions

diff --git a/include/mobile/bluetooth_extension.h b/include/mobile/bluetooth_extension.h
index bc49bbf..64c76c8 100644
--- a/include/mobile/bluetooth_extension.h
+++ b/include/mobile/bluetooth_extension.h
@@ -155,6 +155,131 @@ int bt_ag_unset_sco_state_changed_cb(void);
 int bt_ag_notify_voice_recognition_state(bool state);
 
 /**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Notifies the speaker gain to the remote device.
+ * @since_tizen 2.3
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/bluetooth.admin
+ * @details This function sends a signal to the remote device. This signal has the gain value.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
+ * @param[in] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_get_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_notify_speaker_gain(int gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Gets the current speaker gain of the remote device.
+ * @since_tizen 2.3
+ * @details This function gets the value of speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[out] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_notify_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_get_speaker_gain(int *gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @details This function let you know the change of the speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ */
+int bt_ag_unset_speaker_gain_changed_cb(void);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_microphone_gain_changed_cb()
+ */
+int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_microphone_gain_changed_cb()
+ */
+int bt_ag_unset_microphone_gain_changed_cb(void);
+
+/**
  * @}
  */
 
diff --git a/include/mobile/bluetooth_internal.h b/include/mobile/bluetooth_internal.h
index a072372..e0289e3 100644
--- a/include/mobile/bluetooth_internal.h
+++ b/include/mobile/bluetooth_internal.h
@@ -1572,57 +1572,6 @@ int bt_ag_unset_dtmf_transmitted_cb(void);
 /**
  * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Notifies the speaker gain to the remote device.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege %http://tizen.org/privilege/bluetooth.admin
- * @details This function sends a signal to the remote device. This signal has the gain value.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
- * @param[in] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_get_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_notify_speaker_gain(int gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Gets the current speaker gain of the remote device.
- * @since_tizen 2.3
- * @details This function gets the value of speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[out] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_notify_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_get_speaker_gain(int *gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
  * @brief Checks whether the remoted device enables NREC(Noise Reduction and Echo Canceling) or not.
  * @since_tizen 2.3
  * @param[out] enabled The NREC status: (@c true = enabled, @c  false = not enabled)
@@ -1641,80 +1590,6 @@ int bt_ag_is_nrec_enabled(bool *enabled);
 
 /**
  * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3
- * @details This function let you know the change of the speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_speaker_gain_changed_cb()
- */
-int bt_ag_unset_speaker_gain_changed_cb(void);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_microphone_gain_changed_cb()
- */
-int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_microphone_gain_changed_cb()
- */
-int bt_ag_unset_microphone_gain_changed_cb(void);
-
-/**
- * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_CALL_MODULE
  * @brief Creates a handle of call list.
  * @since_tizen 2.3
diff --git a/include/tv/bluetooth_extension.h b/include/tv/bluetooth_extension.h
index bc49bbf..64c76c8 100644
--- a/include/tv/bluetooth_extension.h
+++ b/include/tv/bluetooth_extension.h
@@ -155,6 +155,131 @@ int bt_ag_unset_sco_state_changed_cb(void);
 int bt_ag_notify_voice_recognition_state(bool state);
 
 /**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Notifies the speaker gain to the remote device.
+ * @since_tizen 2.3
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/bluetooth.admin
+ * @details This function sends a signal to the remote device. This signal has the gain value.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
+ * @param[in] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_get_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_notify_speaker_gain(int gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Gets the current speaker gain of the remote device.
+ * @since_tizen 2.3
+ * @details This function gets the value of speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[out] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_notify_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_get_speaker_gain(int *gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @details This function let you know the change of the speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ */
+int bt_ag_unset_speaker_gain_changed_cb(void);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_microphone_gain_changed_cb()
+ */
+int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_microphone_gain_changed_cb()
+ */
+int bt_ag_unset_microphone_gain_changed_cb(void);
+
+/**
  * @}
  */
 
diff --git a/include/tv/bluetooth_internal.h b/include/tv/bluetooth_internal.h
index 36c1e44..2e68a03 100644
--- a/include/tv/bluetooth_internal.h
+++ b/include/tv/bluetooth_internal.h
@@ -1572,57 +1572,6 @@ int bt_ag_unset_dtmf_transmitted_cb(void);
 /**
  * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Notifies the speaker gain to the remote device.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege %http://tizen.org/privilege/bluetooth.admin
- * @details This function sends a signal to the remote device. This signal has the gain value.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
- * @param[in] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_get_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_notify_speaker_gain(int gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Gets the current speaker gain of the remote device.
- * @since_tizen 2.3
- * @details This function gets the value of speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[out] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_notify_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_get_speaker_gain(int *gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
  * @brief Checks whether the remoted device enables NREC(Noise Reduction and Echo Canceling) or not.
  * @since_tizen 2.3
  * @param[out] enabled The NREC status: (@c true = enabled, @c  false = not enabled)
@@ -1641,80 +1590,6 @@ int bt_ag_is_nrec_enabled(bool *enabled);
 
 /**
  * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3
- * @details This function let you know the change of the speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_speaker_gain_changed_cb()
- */
-int bt_ag_unset_speaker_gain_changed_cb(void);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_microphone_gain_changed_cb()
- */
-int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_microphone_gain_changed_cb()
- */
-int bt_ag_unset_microphone_gain_changed_cb(void);
-
-/**
- * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_CALL_MODULE
  * @brief Creates a handle of call list.
  * @since_tizen 2.3
diff --git a/include/wearable/bluetooth_extension.h b/include/wearable/bluetooth_extension.h
index bc49bbf..64c76c8 100644
--- a/include/wearable/bluetooth_extension.h
+++ b/include/wearable/bluetooth_extension.h
@@ -155,6 +155,131 @@ int bt_ag_unset_sco_state_changed_cb(void);
 int bt_ag_notify_voice_recognition_state(bool state);
 
 /**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Notifies the speaker gain to the remote device.
+ * @since_tizen 2.3
+ * @privlevel platform
+ * @privilege %http://tizen.org/privilege/bluetooth.admin
+ * @details This function sends a signal to the remote device. This signal has the gain value.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
+ * @param[in] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_get_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_notify_speaker_gain(int gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Gets the current speaker gain of the remote device.
+ * @since_tizen 2.3
+ * @details This function gets the value of speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[out] gain The gain of speaker (0 ~ 15)
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_ENABLED  Not enabled
+ * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
+ * @see bt_ag_notify_speaker_gain()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_get_speaker_gain(int *gain);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @details This function let you know the change of the speaker gain of the remote device.
+ * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_speaker_gain_changed_cb()
+ */
+int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_speaker_gain_changed_cb()
+ */
+int bt_ag_unset_speaker_gain_changed_cb(void);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @param[in] callback The 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 #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_unset_microphone_gain_changed_cb()
+ */
+int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
+
+/**
+ * @internal
+ * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
+ * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
+ * @since_tizen 2.3
+ * @return   0 on success, otherwise a negative error value.
+ * @retval #BT_ERROR_NONE  Successful
+ * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
+ * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
+ *
+ * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
+ * @see bt_audio_initialize()
+ * @see bt_ag_set_microphone_gain_changed_cb()
+ */
+int bt_ag_unset_microphone_gain_changed_cb(void);
+
+/**
  * @}
  */
 
diff --git a/include/wearable/bluetooth_internal.h b/include/wearable/bluetooth_internal.h
index 7132276..b4378bf 100644
--- a/include/wearable/bluetooth_internal.h
+++ b/include/wearable/bluetooth_internal.h
@@ -1542,57 +1542,6 @@ int bt_ag_unset_dtmf_transmitted_cb(void);
 /**
  * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Notifies the speaker gain to the remote device.
- * @since_tizen 2.3.1
- * @privlevel platform
- * @privilege %http://tizen.org/privilege/bluetooth.admin
- * @details This function sends a signal to the remote device. This signal has the gain value.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * When the speaker gain of remote device is changed to the requested gain, bt_audio_speaker_gain_changed_cb() will be called.
- * @param[in] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_OPERATION_FAILED  Operation failed
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_PERMISSION_DENIED  Permission denied
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_get_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_notify_speaker_gain(int gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Gets the current speaker gain of the remote device.
- * @since_tizen 2.3.1
- * @details This function gets the value of speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[out] gain The gain of speaker (0 ~ 15)
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_ENABLED  Not enabled
- * @retval #BT_ERROR_REMOTE_DEVICE_NOT_CONNECTED  Remote device is not connected
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The remote device is connected by bt_audio_connect() with #BT_AUDIO_PROFILE_TYPE_HSP_HFP service.
- * @see bt_ag_notify_speaker_gain()
- * @see bt_ag_set_speaker_gain_changed_cb()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_get_speaker_gain(int *gain);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
  * @brief Checks whether the remoted device enables NREC(Noise Reduction and Echo Canceling) or not.
  * @since_tizen 2.3.1
  * @param[out] enabled The NREC status: (@c true = enabled, @c  false = not enabled)
@@ -1611,80 +1560,6 @@ int bt_ag_is_nrec_enabled(bool *enabled);
 
 /**
  * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3.1
- * @details This function let you know the change of the speaker gain of the remote device.
- * @a gain is represented on a scale from 0 to 15. This value is absolute value relating to a particular volume level.
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_speaker_gain_changed_cb()
- */
-int bt_ag_set_speaker_gain_changed_cb(bt_ag_speaker_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the speaker gain of the remote device is changed.
- * @since_tizen 2.3.1
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_speaker_gain_changed_cb()
- */
-int bt_ag_unset_speaker_gain_changed_cb(void);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Registers a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3.1
- * @param[in] callback The 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 #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_unset_microphone_gain_changed_cb()
- */
-int bt_ag_set_microphone_gain_changed_cb(bt_ag_microphone_gain_changed_cb callback, void *user_data);
-
-/**
- * @internal
- * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_MODULE
- * @brief  Unregisters a callback function that will be invoked when the microphone gain of the remote device is changed.
- * @since_tizen 2.3.1
- * @return   0 on success, otherwise a negative error value.
- * @retval #BT_ERROR_NONE  Successful
- * @retval #BT_ERROR_NOT_INITIALIZED  Not initialized
- * @retval #BT_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval #BT_ERROR_NOT_SUPPORTED  Not supported
- *
- * @pre The Bluetooth audio service must be initialized with bt_audio_initialize().
- * @see bt_audio_initialize()
- * @see bt_ag_set_microphone_gain_changed_cb()
- */
-int bt_ag_unset_microphone_gain_changed_cb(void);
-
-/**
- * @internal
  * @ingroup CAPI_NETWORK_BLUETOOTH_AUDIO_AG_CALL_MODULE
  * @brief Creates a handle of call list.
  * @since_tizen 2.3.1