99 	struct cras_observer_client *client;  in output_volume_alert()  local
103 	DL_FOREACH(g_observer->clients, client) {  in output_volume_alert()
104 		if (client->ops.output_volume_changed)  in output_volume_alert()
105 			client->ops.output_volume_changed(  in output_volume_alert()
106 					client->context,  in output_volume_alert()
113 	struct cras_observer_client *client;  in output_mute_alert()  local
117 	DL_FOREACH(g_observer->clients, client) {  in output_mute_alert()
118 		if (client->ops.output_mute_changed)  in output_mute_alert()
119 			client->ops.output_mute_changed(  in output_mute_alert()
120 					client->context,  in output_mute_alert()
129 	struct cras_observer_client *client;  in capture_gain_alert()  local
133 	DL_FOREACH(g_observer->clients, client) {  in capture_gain_alert()
134 		if (client->ops.capture_gain_changed)  in capture_gain_alert()
135 			client->ops.capture_gain_changed(  in capture_gain_alert()
136 					client->context,  in capture_gain_alert()
143 	struct cras_observer_client *client;  in capture_mute_alert()  local
147 	DL_FOREACH(g_observer->clients, client) {  in capture_mute_alert()
148 		if (client->ops.capture_mute_changed)  in capture_mute_alert()
149 			client->ops.capture_mute_changed(  in capture_mute_alert()
150 					client->context,  in capture_mute_alert()
163 	struct cras_observer_client *client;  in nodes_alert()  local
165 	DL_FOREACH(g_observer->clients, client) {  in nodes_alert()
166 		if (client->ops.nodes_changed)  in nodes_alert()
167 			client->ops.nodes_changed(client->context);  in nodes_alert()
173 	struct cras_observer_client *client;  in active_node_alert()  local
177 	DL_FOREACH(g_observer->clients, client) {  in active_node_alert()
178 		if (client->ops.active_node_changed)  in active_node_alert()
179 			client->ops.active_node_changed(  in active_node_alert()
180 					client->context,  in active_node_alert()
188 	struct cras_observer_client *client;  in output_node_volume_alert()  local
192 	DL_FOREACH(g_observer->clients, client) {  in output_node_volume_alert()
193 		if (client->ops.output_node_volume_changed)  in output_node_volume_alert()
194 			client->ops.output_node_volume_changed(  in output_node_volume_alert()
195 					client->context,  in output_node_volume_alert()
203 	struct cras_observer_client *client;  in node_left_right_swapped_alert()  local
207 	DL_FOREACH(g_observer->clients, client) {  in node_left_right_swapped_alert()
208 		if (client->ops.node_left_right_swapped_changed)  in node_left_right_swapped_alert()
209 			client->ops.node_left_right_swapped_changed(  in node_left_right_swapped_alert()
210 					client->context,  in node_left_right_swapped_alert()
218 	struct cras_observer_client *client;  in input_node_gain_alert()  local
222 	DL_FOREACH(g_observer->clients, client) {  in input_node_gain_alert()
223 		if (client->ops.input_node_gain_changed)  in input_node_gain_alert()
224 			client->ops.input_node_gain_changed(  in input_node_gain_alert()
225 					client->context,  in input_node_gain_alert()
233 	struct cras_observer_client *client;  in suspend_changed_alert()  local
237 	DL_FOREACH(g_observer->clients, client) {  in suspend_changed_alert()
238 		if (client->ops.suspend_changed)  in suspend_changed_alert()
239 			client->ops.suspend_changed(  in suspend_changed_alert()
240 					client->context,  in suspend_changed_alert()
247 	struct cras_observer_client *client;  in num_active_streams_alert()  local
251 	DL_FOREACH(g_observer->clients, client) {  in num_active_streams_alert()
252 		if (client->ops.num_active_streams_changed)  in num_active_streams_alert()
253 			client->ops.num_active_streams_changed(  in num_active_streams_alert()
254 					client->context,  in num_active_streams_alert()
262 	struct cras_observer_client *client;  in hotword_triggered_alert()  local
266 	DL_FOREACH(g_observer->clients, client) {  in hotword_triggered_alert()
267 		if (client->ops.hotword_triggered)  in hotword_triggered_alert()
268 			client->ops.hotword_triggered(  in hotword_triggered_alert()
269 					client->context,  in hotword_triggered_alert()
277 	struct cras_observer_client *client;  in non_empty_audio_state_changed_alert()  local
281 	DL_FOREACH(g_observer->clients, client) {  in non_empty_audio_state_changed_alert()
282 		if (client->ops.non_empty_audio_state_changed) {  in non_empty_audio_state_changed_alert()
283 			client->ops.non_empty_audio_state_changed(  in non_empty_audio_state_changed_alert()
284 					client->context,  in non_empty_audio_state_changed_alert()
392 void cras_observer_get_ops(const struct cras_observer_client *client,  in cras_observer_get_ops()  argument
397 	if (!client)  in cras_observer_get_ops()
400 		memcpy(ops, &client->ops, sizeof(*ops));  in cras_observer_get_ops()
403 void cras_observer_set_ops(struct cras_observer_client *client,  in cras_observer_set_ops()  argument
406 	if (!client)  in cras_observer_set_ops()
409 		memset(&client->ops, 0, sizeof(client->ops));  in cras_observer_set_ops()
411 		memcpy(&client->ops, ops, sizeof(client->ops));  in cras_observer_set_ops()
418 	struct cras_observer_client *client;  in cras_observer_add()  local
420 	client = (struct cras_observer_client *)calloc(1, sizeof(*client));  in cras_observer_add()
421 	if (!client)  in cras_observer_add()
423 	client->context = context;  in cras_observer_add()
424 	DL_APPEND(g_observer->clients, client);  in cras_observer_add()
425 	cras_observer_set_ops(client, ops);  in cras_observer_add()
426 	return client;  in cras_observer_add()
429 void cras_observer_remove(struct cras_observer_client *client)  in cras_observer_remove()  argument
431 	if (!client)  in cras_observer_remove()
433 	DL_DELETE(g_observer->clients, client);  in cras_observer_remove()
434 	free(client);  in cras_observer_remove()