Fix bug for resource conflict casetizen_4.0.m1_releasesubmit/tizen/20170428.102059accepted/tizen/unified/20170429.024432

unnecessary resource_manager_release in _mmradio_stop function.

[Version] 0.2.26
[Profile] Mobile, Wearable
[Issue Type] Fix bugs

Change-Id: I3d6de3493b409a2c8912819df6977bcbea1cd3bb

5 files changed, 104 insertions, 59 deletions

diff --git a/packaging/libmm-radio.spec b/packaging/libmm-radio.spec
index b2a5727..dc9a83b 100755
--- a/packaging/libmm-radio.spec
+++ b/packaging/libmm-radio.spec
@@ -1,6 +1,6 @@
 Name:       libmm-radio
 Summary:    Multimedia Framework Radio Library
-Version:    0.2.25
+Version:    0.2.26
 Release:    0
 Group:      System/Libraries
 License:    Apache-2.0
diff --git a/src/include/mm_radio_resource.h b/src/include/mm_radio_resource.h
index 85006ba..534757f 100644
--- a/src/include/mm_radio_resource.h
+++ b/src/include/mm_radio_resource.h
@@ -73,6 +73,7 @@ int mmradio_resource_manager_prepare(mm_radio_resource_manager *resource_manager
 int mmradio_resource_manager_unprepare(mm_radio_resource_manager *resource_manager);
 int mmradio_resource_manager_acquire(mm_radio_resource_manager *resource_manager);
 int mmradio_resource_manager_release(mm_radio_resource_manager *resource_manager);
+int mmradio_resource_manager_get_state(mm_radio_resource_manager *resource_manager, mm_radio_resource_state_e *state);
 
 #ifdef __cplusplus
 }
diff --git a/src/mm_radio_priv_emulator.c b/src/mm_radio_priv_emulator.c
index b2ceed4..7fa2ae2 100644
--- a/src/mm_radio_priv_emulator.c
+++ b/src/mm_radio_priv_emulator.c
@@ -1240,6 +1240,7 @@ static bool __mmradio_set_state(mm_radio_t * radio, int new_state)
 	radio->current_state = new_state;
 
 	/* fill message param */
+	msg.union_type = MM_MSG_UNION_STATE;
 	msg.state.previous = radio->old_state;
 	msg.state.current = radio->current_state;
 
@@ -1247,8 +1248,7 @@ static bool __mmradio_set_state(mm_radio_t * radio, int new_state)
 	/* post message to application */
 	if (radio->sound_focus.by_focus_cb) {
 		msg_type = MM_MESSAGE_STATE_INTERRUPTED;
-		msg.union_type = MM_MSG_UNION_CODE;
-		msg.code = radio->sound_focus.event_src;
+		msg.state.code = radio->sound_focus.event_src;
 		MMRADIO_POST_MSG(radio, msg_type, &msg);
 		radio->sound_focus.by_focus_cb = false;
 	} else {
diff --git a/src/mm_radio_priv_hal.c b/src/mm_radio_priv_hal.c
index f4a92e9..5fc7d30 100644
--- a/src/mm_radio_priv_hal.c
+++ b/src/mm_radio_priv_hal.c
@@ -270,12 +270,6 @@ int _mmradio_realize(mm_radio_t *radio)
 
 	ret = _mmradio_apply_region(radio, region, update);
 
-	ret = mmradio_resource_manager_prepare(&radio->resource_manager, MM_RADIO_RESOURCE_TYPE_RADIO);
-	if (ret != MM_ERROR_NONE) {
-		MMRADIO_LOG_ERROR("resource manager prepare fail");
-		return MM_ERROR_RADIO_INTERNAL;
-	}
-
 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 	ret = sound_manager_create_stream_information_internal(SOUND_STREAM_TYPE_RADIO, NULL, radio, &radio->stream_info);
 	if (ret != MM_ERROR_NONE) {
@@ -345,9 +339,6 @@ int _mmradio_unrealize(mm_radio_t *radio)
 	sound_manager_destroy_virtual_stream(radio->vstream);
 	sound_manager_destroy_stream_information(radio->stream_info);
 #endif
-	mmradio_resource_manager_unprepare(&radio->resource_manager);
-	if (ret != MM_ERROR_NONE)
-		MMRADIO_LOG_ERROR("resource manager unprepare fail");
 
 	pthread_mutex_destroy(&radio->seek_cancel_mutex);
 
@@ -565,9 +556,15 @@ int _mmradio_start(mm_radio_t *radio)
 #endif
 
 	if (!radio->is_ready) {
+		ret = mmradio_resource_manager_prepare(&radio->resource_manager, MM_RADIO_RESOURCE_TYPE_RADIO);
+		if (ret != MM_ERROR_NONE) {
+			MMRADIO_LOG_ERROR("resource manager prepare fail");
+			return MM_ERROR_RADIO_INTERNAL;
+		}
 		ret = mmradio_resource_manager_acquire(&radio->resource_manager);
 		if (ret != MM_ERROR_NONE) {
 			MMRADIO_LOG_ERROR("failed to acquire resource manager");
+			mmradio_resource_manager_unprepare(&radio->resource_manager);
 			return ret;
 		}
 		ret = radio_hal_prepare(radio->hal_inf);
@@ -644,6 +641,7 @@ error2:
 int _mmradio_stop(mm_radio_t *radio)
 {
 	int ret = MM_ERROR_NONE;
+	mm_radio_resource_state_e resource_state = MM_RADIO_RESOURCE_STATE_NONE;
 
 	MMRADIO_LOG_FENTER();
 
@@ -688,10 +686,23 @@ int _mmradio_stop(mm_radio_t *radio)
 
 	radio->is_ready = FALSE;
 
-	ret = mmradio_resource_manager_release(&radio->resource_manager);
-	if (ret != MM_ERROR_NONE) {
-		MMRADIO_LOG_ERROR("failed to release resource");
-		return ret;
+	if (!radio->resource_manager.by_rm_cb && /* is being released */
+		mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
+		if (resource_state == MM_RADIO_RESOURCE_STATE_ACQUIRED) {
+			ret = mmradio_resource_manager_release(&radio->resource_manager);
+			if (ret != MM_ERROR_NONE) {
+				MMRADIO_LOG_ERROR("failed to release resource, ret(0x%x)", ret);
+				return ret;
+			}
+		}
+	}
+
+	if (mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
+		if (resource_state == MM_RADIO_RESOURCE_STATE_PREPARED) {
+			ret = mmradio_resource_manager_unprepare(&radio->resource_manager);
+			if (ret != MM_ERROR_NONE)
+				MMRADIO_LOG_ERROR("resource manager unprepare fail");
+		}
 	}
 
 #ifdef TIZEN_FEATURE_SOUND_FOCUS
@@ -811,9 +822,15 @@ int _mmradio_start_scan(mm_radio_t *radio)
 	radio->stop_scan = false;
 
 	if (!radio->is_ready) {
+		ret = mmradio_resource_manager_prepare(&radio->resource_manager, MM_RADIO_RESOURCE_TYPE_RADIO);
+		if (ret != MM_ERROR_NONE) {
+			MMRADIO_LOG_ERROR("resource manager prepare fail");
+			return MM_ERROR_RADIO_INTERNAL;
+		}
 		ret = mmradio_resource_manager_acquire(&radio->resource_manager);
 		if (ret != MM_ERROR_NONE) {
 			MMRADIO_LOG_ERROR("failed to acquire resource manager");
+			mmradio_resource_manager_unprepare(&radio->resource_manager);
 			return ret;
 		}
 
@@ -913,6 +930,7 @@ void __mmradio_scan_thread(mm_radio_t *radio)
 {
 	int ret = MM_ERROR_NONE;
 	int prev_freq = 0;
+	mm_radio_resource_state_e resource_state = MM_RADIO_RESOURCE_STATE_NONE;
 
 	MMRADIO_LOG_FENTER();
 	MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
@@ -1029,9 +1047,22 @@ FINISHED_ERR:
 
 		radio->is_ready = FALSE;
 
-		ret = mmradio_resource_manager_release(&radio->resource_manager);
-		if (ret != MM_ERROR_NONE)
-			MMRADIO_LOG_ERROR("failed to release resource");
+		if (!radio->resource_manager.by_rm_cb && /* is being released */
+			mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
+			if (resource_state == MM_RADIO_RESOURCE_STATE_ACQUIRED) {
+				ret = mmradio_resource_manager_release(&radio->resource_manager);
+				if (ret != MM_ERROR_NONE)
+					MMRADIO_LOG_ERROR("failed to release resource, ret(0x%x)", ret);
+			}
+		}
+
+		if (mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
+			if (resource_state == MM_RADIO_RESOURCE_STATE_PREPARED) {
+				ret = mmradio_resource_manager_unprepare(&radio->resource_manager);
+				if (ret != MM_ERROR_NONE)
+					MMRADIO_LOG_ERROR("resource manager unprepare fail");
+			}
+		}
 
 		MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
 	}
@@ -1344,6 +1375,7 @@ static bool __mmradio_set_state(mm_radio_t *radio, int new_state)
 	radio->current_state = new_state;
 
 	/* fill message param */
+	msg.union_type = MM_MSG_UNION_STATE;
 	msg.state.previous = radio->old_state;
 	msg.state.current = radio->current_state;
 
@@ -1351,13 +1383,11 @@ static bool __mmradio_set_state(mm_radio_t *radio, int new_state)
 	/* post message to application */
 	if (radio->sound_focus.by_focus_cb) {
 		msg_type = MM_MESSAGE_STATE_INTERRUPTED;
-		msg.union_type = MM_MSG_UNION_CODE;
-		msg.code = radio->sound_focus.event_src;
+		msg.state.code = radio->sound_focus.event_src;
 		MMRADIO_POST_MSG(radio, msg_type, &msg);
 	} else if (radio->resource_manager.by_rm_cb) {
 		msg_type = MM_MESSAGE_STATE_INTERRUPTED;
-		msg.union_type = MM_MSG_UNION_CODE;
-		msg.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
+		msg.state.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
 		MMRADIO_POST_MSG(radio, msg_type, &msg);
 	} else {
 		msg_type = MM_MESSAGE_STATE_CHANGED;
@@ -1366,8 +1396,7 @@ static bool __mmradio_set_state(mm_radio_t *radio, int new_state)
 #else
 	if (radio->resource_manager.by_rm_cb) {
 		 msg_type = MM_MESSAGE_STATE_INTERRUPTED;
-		 msg.union_type = MM_MSG_UNION_CODE;
-		 msg.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
+		 msg.state.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
 		 MMRADIO_POST_MSG(radio, msg_type, &msg);
 	 } else {
 		 msg_type = MM_MESSAGE_STATE_CHANGED;
diff --git a/src/mm_radio_resource.c b/src/mm_radio_resource.c
index 0e53030..d474716 100644
--- a/src/mm_radio_resource.c
+++ b/src/mm_radio_resource.c
@@ -91,18 +91,18 @@ static void __mmradio_resource_state_callback(mrp_res_context_t *context, mrp_re
 	}
 	radio = (mm_radio_t *)user_data;
 	if (err != MRP_RES_ERROR_NONE) {
-		MMRADIO_LOG_ERROR(" - error message received from Murphy, for the radio(%p), err(0x%x)\n", radio, err);
+		MMRADIO_LOG_ERROR(" - error message received from Murphy, for the radio(%p), err(0x%x)", radio, err);
 		return;
 	}
 
 	switch (context->state) {
 	case MRP_RES_CONNECTED:
-		MMRADIO_LOG_DEBUG(" - connected to Murphy\n");
+		MMRADIO_LOG_DEBUG(" - connected to Murphy");
 		if ((rset = mrp_res_list_resources(context)) != NULL) {
 			mrp_res_string_array_t *resource_names;
 			resource_names = mrp_res_list_resource_names(rset);
 			if (!resource_names) {
-				MMRADIO_LOG_ERROR(" - no resources available\n");
+				MMRADIO_LOG_ERROR(" - no resources available");
 				return;
 			}
 			for (i = 0; i < resource_names->num_strings; i++) {
@@ -115,7 +115,7 @@ static void __mmradio_resource_state_callback(mrp_res_context_t *context, mrp_re
 		radio->resource_manager.is_connected = true;
 		break;
 	case MRP_RES_DISCONNECTED:
-		MMRADIO_LOG_DEBUG(" - disconnected from Murphy\n");
+		MMRADIO_LOG_DEBUG(" - disconnected from Murphy");
 		if (radio->resource_manager.rset) {
 			mrp_res_delete_resource_set(radio->resource_manager.rset);
 			radio->resource_manager.rset = NULL;
@@ -145,14 +145,14 @@ static void __mmradio_rset_state_callback(mrp_res_context_t *cx, const mrp_res_r
 		return;
 	}
 
-	MMRADIO_LOG_DEBUG(" - resource set state of radio(%p) is changed to [%s]\n",
+	MMRADIO_LOG_DEBUG(" - resource set state of radio(%p) is changed to [%s]",
 		radio, _mmrdio_resource_state_to_str(rs->state));
 	for (i = 0; i < MM_RADIO_RESOURCE_MAX; i++) {
 		res = mrp_res_get_resource_by_name(rs, mm_radio_resource_str[i]);
 		if (res == NULL)
-			MMRADIO_LOG_WARNING(" -- %s not present in resource set\n", mm_radio_resource_str[i]);
+			MMRADIO_LOG_WARNING(" -- %s not present in resource set", mm_radio_resource_str[i]);
 		else
-			MMRADIO_LOG_DEBUG(" -- resource name [%s] -> [%s]'\n", res->name,
+			MMRADIO_LOG_DEBUG(" -- resource name [%s] -> [%s]", res->name,
 			_mmrdio_resource_state_to_str(res->state));
 	}
 
@@ -197,7 +197,7 @@ static void __mmradio_mrp_resource_release_cb(mrp_res_context_t *cx, const mrp_r
 	MMRADIO_LOG_FENTER();
 
 	if (user_data == NULL) {
-		MMRADIO_LOG_ERROR("- user_data is null\n");
+		MMRADIO_LOG_ERROR("- user_data is null");
 		return;
 	}
 
@@ -208,14 +208,14 @@ static void __mmradio_mrp_resource_release_cb(mrp_res_context_t *cx, const mrp_r
 		return;
 	}
 
-	MMRADIO_LOG_DEBUG(" - resource set state of radio(%p) is changed to [%s]\n", radio,
+	MMRADIO_LOG_DEBUG(" - resource set state of radio(%p) is changed to [%s]", radio,
 		_mmrdio_resource_state_to_str(rs->state));
 	for (i = 0; i < MM_RADIO_RESOURCE_MAX; i++) {
 		res = mrp_res_get_resource_by_name(rs, mm_radio_resource_str[i]);
 		if (res == NULL) {
-			MMRADIO_LOG_WARNING(" -- %s not present in resource set\n", mm_radio_resource_str[i]);
+			MMRADIO_LOG_WARNING(" -- %s not present in resource set", mm_radio_resource_str[i]);
 		} else {
-			MMRADIO_LOG_DEBUG(" -- resource name [%s] -> [%s]'\n", res->name,
+			MMRADIO_LOG_DEBUG(" -- resource name [%s] -> [%s]", res->name,
 				_mmrdio_resource_state_to_str(res->state));
 			if (res->state == MRP_RES_RESOURCE_ABOUT_TO_LOOSE)
 				resource_released = TRUE;
@@ -233,8 +233,6 @@ static void __mmradio_mrp_resource_release_cb(mrp_res_context_t *cx, const mrp_r
 			MMRADIO_LOG_ERROR("failed to stop radio");
 		MMRADIO_CMD_UNLOCK(radio);
 
-		radio->resource_manager.by_rm_cb = false;
-
 	} else {
 		MMRADIO_LOG_WARNING("could not find videobin");
 	}
@@ -248,7 +246,7 @@ static void __mmradio_mrp_resource_release_cb(mrp_res_context_t *cx, const mrp_r
 static int _mmradio_create_rset(mm_radio_resource_manager *resource_manager)
 {
 	if (resource_manager->rset) {
-		MMRADIO_LOG_ERROR(" - resource set was already created\n");
+		MMRADIO_LOG_ERROR(" - resource set was already created");
 		return MM_ERROR_RESOURCE_INVALID_STATE;
 	}
 
@@ -256,12 +254,12 @@ static int _mmradio_create_rset(mm_radio_resource_manager *resource_manager)
 				MRP_APP_CLASS_FOR_RADIO, __mmradio_rset_state_callback,
 				(void*)resource_manager->user_data);
 	if (resource_manager->rset == NULL) {
-		MMRADIO_LOG_ERROR(" - could not create resource set\n");
+		MMRADIO_LOG_ERROR(" - could not create resource set");
 		return MM_ERROR_RESOURCE_INTERNAL;
 	}
 
 	if (!mrp_res_set_autorelease(TRUE, resource_manager->rset))
-		MMRADIO_LOG_WARNING(" - could not set autorelease flag!\n");
+		MMRADIO_LOG_WARNING(" - could not set autorelease flag!");
 
 	return MM_ERROR_NONE;
 }
@@ -274,11 +272,11 @@ static int _mmradio_include_resource(mm_radio_resource_manager *resource_manager
 				MRP_RESOURCE_TYPE_MANDATORY,
 				MRP_RESOURCE_TYPE_EXCLUSIVE);
 	if (resource == NULL) {
-		MMRADIO_LOG_ERROR(" - could not include resource[%s]\n", resource_name);
+		MMRADIO_LOG_ERROR(" - could not include resource[%s]", resource_name);
 		return MM_ERROR_RESOURCE_INTERNAL;
 	}
 
-	MMRADIO_LOG_DEBUG(" - include resource[%s]\n", resource_name);
+	MMRADIO_LOG_DEBUG(" - include resource[%s]", resource_name);
 
 	return MM_ERROR_NONE;
 }
@@ -292,11 +290,11 @@ static int _mmradio_set_resource_release_cb(mm_radio_resource_manager *resource_
 	if (resource_manager->rset) {
 		mrp_ret = mrp_res_set_release_callback(resource_manager->rset, __mmradio_mrp_resource_release_cb, resource_manager->user_data);
 		if (!mrp_ret) {
-			MMRADIO_LOG_ERROR(" - could not set release callback\n");
+			MMRADIO_LOG_ERROR(" - could not set release callback");
 			ret = MM_ERROR_RESOURCE_INTERNAL;
 		}
 	} else {
-		MMRADIO_LOG_ERROR(" - resource set is null\n");
+		MMRADIO_LOG_ERROR(" - resource set is null");
 		ret = MM_ERROR_RESOURCE_INVALID_STATE;
 	}
 	MMRADIO_LOG_FLEAVE();
@@ -328,14 +326,14 @@ int mmradio_resource_manager_init(mm_radio_resource_manager *resource_manager, v
 	if (resource_manager->mloop) {
 		resource_manager->context = mrp_res_create(resource_manager->mloop, __mmradio_resource_state_callback, user_data);
 		if (resource_manager->context == NULL) {
-			MMRADIO_LOG_ERROR(" - could not get context for resource manager\n");
+			MMRADIO_LOG_ERROR(" - could not get context for resource manager");
 			mrp_mainloop_destroy(resource_manager->mloop);
 			resource_manager->mloop = NULL;
 			return MM_ERROR_RESOURCE_INTERNAL;
 		}
 		resource_manager->user_data = user_data;
 	} else {
-		MMRADIO_LOG_ERROR("- could not get mainloop for resource manager\n");
+		MMRADIO_LOG_ERROR("- could not get mainloop for resource manager");
 		return MM_ERROR_RESOURCE_INTERNAL;
 	}
 
@@ -387,7 +385,7 @@ int mmradio_resource_manager_unprepare(mm_radio_resource_manager *resource_manag
 	MMRADIO_CHECK_CONNECTION_RESOURCE_MANAGER(resource_manager);
 
 	if (resource_manager->rset == NULL) {
-		MMRADIO_LOG_ERROR("- could not unprepare for resource_manager, mmradio_resource_manager_unprepare() first\n");
+		MMRADIO_LOG_ERROR("- could not unprepare for resource_manager, mmradio_resource_manager_prepare() first");
 		ret = MM_ERROR_RESOURCE_INVALID_STATE;
 	} else {
 		MMRADIO_RESOURCE_LOCK(resource_manager);
@@ -417,25 +415,25 @@ int mmradio_resource_manager_acquire(mm_radio_resource_manager *resource_manager
 	} else {
 		ret = _mmradio_set_resource_release_cb(resource_manager);
 		if (ret) {
-			MMRADIO_LOG_ERROR("- could not set resource release cb, ret(0x%x)\n", ret);
+			MMRADIO_LOG_ERROR("- could not set resource release cb, ret(0x%x)", ret);
 			ret = MM_ERROR_RESOURCE_INTERNAL;
 		} else {
 			MMRADIO_RESOURCE_LOCK(resource_manager);
 
 			ret = mrp_res_acquire_resource_set(resource_manager->rset);
 			if (ret) {
-				MMRADIO_LOG_ERROR("- could not acquire resource, ret(%d)\n", ret);
+				MMRADIO_LOG_ERROR("- could not acquire resource, ret(%d)", ret);
 				ret = MM_ERROR_RESOURCE_INTERNAL;
 			} else {
 				gint64 end_time = g_get_monotonic_time() + MMRADIO_RESOURCE_TIMEOUT * G_TIME_SPAN_SECOND;
 
-				MMRADIO_LOG_DEBUG("- acquire resource waiting..%p till %lld\n", resource_manager, end_time);
+				MMRADIO_LOG_DEBUG("- acquire resource waiting..%p till %lld", resource_manager, end_time);
 
 				if (!MMRADIO_RESOURCE_WAIT_UNTIL(resource_manager, end_time)) {
-					MMRADIO_LOG_ERROR("- could not acquire resource\n");
+					MMRADIO_LOG_ERROR("- could not acquire resource");
 					ret = MM_ERROR_RESOURCE_INTERNAL;
 				} else {
-					MMRADIO_LOG_DEBUG("- resources are acquired\n");
+					MMRADIO_LOG_DEBUG("- resources are acquired");
 				}
 
 			}
@@ -457,26 +455,26 @@ int mmradio_resource_manager_release(mm_radio_resource_manager *resource_manager
 	MMRADIO_CHECK_CONNECTION_RESOURCE_MANAGER(resource_manager);
 
 	if (resource_manager->rset == NULL) {
-		MMRADIO_LOG_ERROR("- could not release resource, resource set is null\n");
+		MMRADIO_LOG_ERROR("- could not release resource, resource set is null");
 		ret = MM_ERROR_RESOURCE_INVALID_STATE;
 	} else {
 		if (resource_manager->rset->state != MRP_RES_RESOURCE_ACQUIRED) {
-			MMRADIO_LOG_ERROR("- could not release resource, resource set state is [%s]\n",
+			MMRADIO_LOG_ERROR("- could not release resource, resource set state is [%s]",
 				_mmrdio_resource_state_to_str(resource_manager->rset->state));
 			ret = MM_ERROR_RESOURCE_INVALID_STATE;
 		} else {
 			MMRADIO_RESOURCE_LOCK(resource_manager);
 			ret = mrp_res_release_resource_set(resource_manager->rset);
 			if (ret) {
-				MMRADIO_LOG_ERROR("- could not release resource, ret(%d)\n", ret);
+				MMRADIO_LOG_ERROR("- could not release resource, ret(%d)", ret);
 				ret = MM_ERROR_RESOURCE_INTERNAL;
 			} else {
 				gint64 end_time = g_get_monotonic_time() + MMRADIO_RESOURCE_TIMEOUT * G_TIME_SPAN_SECOND;
 
-				MMRADIO_LOG_DEBUG("- release resource waiting..%p till %lld\n", resource_manager, end_time);
+				MMRADIO_LOG_DEBUG("- release resource waiting..%p till %lld", resource_manager, end_time);
 
 				if (!MMRADIO_RESOURCE_WAIT_UNTIL(resource_manager, end_time))
-					MMRADIO_LOG_WARNING("- could not release resource in time\n");
+					MMRADIO_LOG_WARNING("- could not release resource in time");
 				else
 					MMRADIO_LOG_DEBUG("- resources are released\n");
 			}
@@ -498,7 +496,7 @@ int mmradio_resource_manager_deinit(mm_radio_resource_manager *resource_manager)
 	if (resource_manager->rset) {
 		if (resource_manager->rset->state == MRP_RES_RESOURCE_ACQUIRED) {
 			if (mrp_res_release_resource_set(resource_manager->rset))
-				MMRADIO_LOG_ERROR("- could not release resource\n");
+				MMRADIO_LOG_ERROR("- could not release resource");
 		}
 		mrp_res_delete_resource_set(resource_manager->rset);
 		resource_manager->rset = NULL;
@@ -523,3 +521,20 @@ int mmradio_resource_manager_deinit(mm_radio_resource_manager *resource_manager)
 
 	return MM_ERROR_NONE;
 }
+
+
+int mmradio_resource_manager_get_state(mm_radio_resource_manager *resource_manager, mm_radio_resource_state_e *state)
+{
+
+	MMRADIO_LOG_FENTER();
+	MMRADIO_CHECK_RESOURCE_MANAGER_INSTANCE(resource_manager);
+	MMRADIO_CHECK_ARG(state);
+
+	MMRADIO_LOG_DEBUG("resource_state is %d", resource_manager->state);
+
+	*state = resource_manager->state;
+
+	MMRADIO_LOG_FLEAVE();
+
+	return MM_ERROR_NONE;
+}