7  * Copyright (c) 2022-2023 Nordic Semiconductor ASA
9  * SPDX-License-Identifier: Apache-2.0
56 	     "CONFIG_BT_BAP_UNICAST_CLIENT_ASE_SRC_COUNT shall be non-zero");
68 #define PAC_DIR_UNUSED(dir) ((dir) != BT_AUDIO_DIR_SINK && (dir) != BT_AUDIO_DIR_SOURCE)  argument
124 	enum bt_audio_dir dir;  member
161 	if (ep->receiver_ready != true || ep->dir != BT_AUDIO_DIR_SOURCE) {  in unicast_client_send_start()
163 			ep, ep->receiver_ready, bt_audio_dir_str(ep->dir));  in unicast_client_send_start()
165 		return -EINVAL;  in unicast_client_send_start()
172 	buf = bt_bap_unicast_client_ep_create_pdu(ep->stream->conn, BT_ASCS_START_OP);  in unicast_client_send_start()
175 		return -EBUSY;  in unicast_client_send_start()
179 	req->num_ases = 1U;  in unicast_client_send_start()
189 	err = bt_bap_unicast_client_ep_send(ep->stream->conn, ep, buf);  in unicast_client_send_start()
215 		if (client_ep->ep.status.id == id) {  in audio_stream_by_ep_id()
216 			return client_ep->ep.stream;  in audio_stream_by_ep_id()
226 		if (client_ep->ep.status.id == id) {  in audio_stream_by_ep_id()
227 			return client_ep->ep.stream;  in audio_stream_by_ep_id()
237 	net_buf_simple_init_with_data(&client->net_buf, &client->att_buf, sizeof(client->att_buf));  in reset_att_buf()
238 	net_buf_simple_reset(&client->net_buf);  in reset_att_buf()
248 	struct bt_bap_ep *ep = iso->rx.ep;  in unicast_client_ep_iso_recv()
259 		if ((info->flags & BT_ISO_FLAGS_VALID) != 0) {  in unicast_client_ep_iso_recv()
267 	if (ep->status.state != BT_BAP_EP_STATE_STREAMING) {  in unicast_client_ep_iso_recv()
270 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_iso_recv()
276 	stream = ep->stream;  in unicast_client_ep_iso_recv()
282 	ops = stream->ops;  in unicast_client_ep_iso_recv()
288 	if (ops != NULL && ops->recv != NULL) {  in unicast_client_ep_iso_recv()
289 		ops->recv(stream, info, buf);  in unicast_client_ep_iso_recv()
301 	struct bt_bap_ep *ep = iso->tx.ep;  in unicast_client_ep_iso_sent()
308 	stream = ep->stream;  in unicast_client_ep_iso_sent()
318 	if (stream->ops != NULL && stream->ops->sent != NULL) {  in unicast_client_ep_iso_sent()
319 		stream->ops->sent(stream);  in unicast_client_ep_iso_sent()
329 	if (ep->unicast_group != NULL) {  in unicast_client_ep_iso_connected()
330 		ep->unicast_group->has_been_connected = true;  in unicast_client_ep_iso_connected()
333 	if (ep->status.state != BT_BAP_EP_STATE_ENABLING) {  in unicast_client_ep_iso_connected()
335 			bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_iso_connected()
339 	stream = ep->stream;  in unicast_client_ep_iso_connected()
345 	LOG_DBG("stream %p ep %p dir %s receiver_ready %u",  in unicast_client_ep_iso_connected()
346 		stream, ep, bt_audio_dir_str(ep->dir), ep->receiver_ready);  in unicast_client_ep_iso_connected()
350 	stream->_prev_seq_num = 0U;  in unicast_client_ep_iso_connected()
353 	stream_ops = stream->ops;  in unicast_client_ep_iso_connected()
354 	if (stream_ops != NULL && stream_ops->connected != NULL) {  in unicast_client_ep_iso_connected()
355 		stream_ops->connected(stream);  in unicast_client_ep_iso_connected()
363 	if (iso->rx.ep == NULL && iso->tx.ep == NULL) {  in unicast_client_iso_connected()
368 	if (iso->rx.ep != NULL) {  in unicast_client_iso_connected()
369 		unicast_client_ep_iso_connected(iso->rx.ep);  in unicast_client_iso_connected()
372 	if (iso->tx.ep != NULL) {  in unicast_client_iso_connected()
373 		unicast_client_ep_iso_connected(iso->tx.ep);  in unicast_client_iso_connected()
382 	stream = ep->stream;  in unicast_client_ep_iso_disconnected()
389 	ep->reason = reason;  in unicast_client_ep_iso_disconnected()
391 	stream_ops = stream->ops;  in unicast_client_ep_iso_disconnected()
392 	if (stream_ops != NULL && stream_ops->disconnected != NULL) {  in unicast_client_ep_iso_disconnected()
393 		stream_ops->disconnected(stream, reason);  in unicast_client_ep_iso_disconnected()
400 	if (ep->status.state == BT_BAP_EP_STATE_IDLE) {  in unicast_client_ep_iso_disconnected()
404 		if (stream->conn != NULL) {  in unicast_client_ep_iso_disconnected()
408 			err = bt_conn_get_info(stream->conn, &conn_info);  in unicast_client_ep_iso_disconnected()
423 	if (iso->rx.ep == NULL && iso->tx.ep == NULL) {  in unicast_client_iso_disconnected()
428 	if (iso->rx.ep != NULL) {  in unicast_client_iso_disconnected()
429 		unicast_client_ep_iso_disconnected(iso->rx.ep, reason);  in unicast_client_iso_disconnected()
432 	if (iso->tx.ep != NULL) {  in unicast_client_iso_disconnected()
433 		unicast_client_ep_iso_disconnected(iso->tx.ep, reason);  in unicast_client_iso_disconnected()
467 static void unicast_client_ep_init(struct bt_bap_ep *ep, uint16_t handle, uint8_t dir)  in unicast_client_ep_init()  argument
471 	LOG_DBG("ep %p dir %s handle 0x%04x", ep, bt_audio_dir_str(dir), handle);  in unicast_client_ep_init()
476 	client_ep->handle = handle;  in unicast_client_ep_init()
477 	ep->status.id = 0U;  in unicast_client_ep_init()
478 	ep->dir = dir;  in unicast_client_ep_init()
479 	ep->reason = BT_HCI_ERR_SUCCESS;  in unicast_client_ep_init()
480 	k_work_init_delayable(&client_ep->ase_read_work, delayed_ase_read_handler);  in unicast_client_ep_init()
493 		if ((handle && client_ep->handle == handle) || (!handle && client_ep->handle)) {  in unicast_client_ep_find()
494 			return &client_ep->ep;  in unicast_client_ep_find()
503 		if ((handle && client_ep->handle == handle) || (!handle && client_ep->handle)) {  in unicast_client_ep_find()
504 			return &client_ep->ep;  in unicast_client_ep_find()
528 static struct bt_bap_ep *unicast_client_ep_new(struct bt_conn *conn, enum bt_audio_dir dir,  in unicast_client_ep_new()  argument
537 	switch (dir) {  in unicast_client_ep_new()
557 		if (!client_ep->handle) {  in unicast_client_ep_new()
558 			unicast_client_ep_init(&client_ep->ep, handle, dir);  in unicast_client_ep_new()
559 			return &client_ep->ep;  in unicast_client_ep_new()
566 static struct bt_bap_ep *unicast_client_ep_get(struct bt_conn *conn, enum bt_audio_dir dir,  in unicast_client_ep_get()  argument
576 	return unicast_client_ep_new(conn, dir, handle);  in unicast_client_ep_get()
582 		.id = ep->status.id,  in unicast_client_ep_set_local_idle_state()
592 static void unicast_client_notify_location(struct bt_conn *conn, enum bt_audio_dir dir,  in unicast_client_notify_location()  argument
598 		if (listener->location != NULL) {  in unicast_client_notify_location()
599 			listener->location(conn, dir, loc);  in unicast_client_notify_location()
611 		if (listener->available_contexts != NULL) {  in unicast_client_notify_available_contexts()
612 			listener->available_contexts(conn, snk_ctx, src_ctx);  in unicast_client_notify_available_contexts()
622 	const enum bt_audio_dir dir = client->dir;  in unicast_client_notify_pac_record()  local
630 		if (listener->pac_record != NULL) {  in unicast_client_notify_pac_record()
631 			listener->pac_record(conn, dir, codec_cap);  in unicast_client_notify_pac_record()
640 	const enum bt_audio_dir dir = client->dir;  in unicast_client_notify_endpoint()  local
643 		if (listener->endpoint != NULL) {  in unicast_client_notify_endpoint()
644 			listener->endpoint(conn, dir, ep);  in unicast_client_notify_endpoint()
653 	const enum bt_audio_dir dir = client->dir;  in unicast_client_discover_complete()  local
655 	/* Discover complete - Reset discovery values */  in unicast_client_discover_complete()
656 	client->dir = 0U;  in unicast_client_discover_complete()
658 	atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in unicast_client_discover_complete()
661 		if (listener->discover != NULL) {  in unicast_client_discover_complete()
662 			listener->discover(conn, err, dir);  in unicast_client_discover_complete()
674 		if (listener->config != NULL) {  in unicast_client_notify_ep_config()
675 			listener->config(stream, rsp_code, reason);  in unicast_client_notify_ep_config()
687 		if (listener->qos != NULL) {  in unicast_client_notify_ep_qos()
688 			listener->qos(stream, rsp_code, reason);  in unicast_client_notify_ep_qos()
700 		if (listener->enable != NULL) {  in unicast_client_notify_ep_enable()
701 			listener->enable(stream, rsp_code, reason);  in unicast_client_notify_ep_enable()
713 		if (listener->start != NULL) {  in unicast_client_notify_ep_start()
714 			listener->start(stream, rsp_code, reason);  in unicast_client_notify_ep_start()
726 		if (listener->stop != NULL) {  in unicast_client_notify_ep_stop()
727 			listener->stop(stream, rsp_code, reason);  in unicast_client_notify_ep_stop()
739 		if (listener->disable != NULL) {  in unicast_client_notify_ep_disable()
740 			listener->disable(stream, rsp_code, reason);  in unicast_client_notify_ep_disable()
752 		if (listener->metadata != NULL) {  in unicast_client_notify_ep_metadata()
753 			listener->metadata(stream, rsp_code, reason);  in unicast_client_notify_ep_metadata()
765 		if (listener->release != NULL) {  in unicast_client_notify_ep_released()
766 			listener->release(stream, rsp_code, reason);  in unicast_client_notify_ep_released()
775 	struct bt_bap_stream *stream = ep->stream;  in unicast_client_ep_idle_state()
778 	ep->receiver_ready = false;  in unicast_client_ep_idle_state()
796 	} else if (ep->iso != NULL && ep->iso->chan.state == BT_ISO_STATE_DISCONNECTING) {  in unicast_client_ep_idle_state()
804 	if (client_ep->release_requested) {  in unicast_client_ep_idle_state()
805 		client_ep->release_requested = false;  in unicast_client_ep_idle_state()
807 		if (client_ep->cp_ntf_pending) {  in unicast_client_ep_idle_state()
812 			client_ep->cp_ntf_pending = false;  in unicast_client_ep_idle_state()
819 	ops = stream->ops;  in unicast_client_ep_idle_state()
820 	if (ops != NULL && ops->released != NULL) {  in unicast_client_ep_idle_state()
821 		ops->released(stream);  in unicast_client_ep_idle_state()
832 	LOG_DBG("ep %p dir %s bap_iso %p", ep, bt_audio_dir_str(ep->dir), ep->iso);  in unicast_client_ep_qos_update()
834 	if (ep->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_ep_qos_update()
835 		/* If the endpoint is a source, then we need to  in unicast_client_ep_qos_update()
838 		iso_io_qos = &ep->iso->rx.qos;  in unicast_client_ep_qos_update()
839 	} else if (ep->dir == BT_AUDIO_DIR_SINK) {  in unicast_client_ep_qos_update()
843 		iso_io_qos = &ep->iso->tx.qos;  in unicast_client_ep_qos_update()
845 		__ASSERT(false, "Invalid ep->dir: %u", ep->dir);  in unicast_client_ep_qos_update()
849 	iso_io_qos->phy = qos->phy;  in unicast_client_ep_qos_update()
850 	iso_io_qos->sdu = sys_le16_to_cpu(qos->sdu);  in unicast_client_ep_qos_update()
851 	iso_io_qos->rtn = qos->rtn;  in unicast_client_ep_qos_update()
863 	ep->receiver_ready = false;  in unicast_client_ep_config_state()
865 	if (client_ep->release_requested) {  in unicast_client_ep_config_state()
867 		ep->reason = BT_HCI_ERR_LOCALHOST_TERM_CONN;  in unicast_client_ep_config_state()
872 	if (buf->len < sizeof(*cfg)) {  in unicast_client_ep_config_state()
877 	stream = ep->stream;  in unicast_client_ep_config_state()
885 	if (stream->codec_cfg == NULL) {  in unicast_client_ep_config_state()
888 	} else if (stream->codec_cfg->id != cfg->codec.id) {  in unicast_client_ep_config_state()
889 		LOG_ERR("Codec configuration mismatched: %u, %u", stream->codec_cfg->id,  in unicast_client_ep_config_state()
890 			cfg->codec.id);  in unicast_client_ep_config_state()
895 	if (buf->len < cfg->cc_len) {  in unicast_client_ep_config_state()
896 		LOG_ERR("Malformed ASE Config status: buf->len %u < %u cc_len", buf->len,  in unicast_client_ep_config_state()
897 			cfg->cc_len);  in unicast_client_ep_config_state()
901 	cc = net_buf_simple_pull_mem(buf, cfg->cc_len);  in unicast_client_ep_config_state()
903 	pref = &stream->ep->qos_pref;  in unicast_client_ep_config_state()
906 	pref->unframed_supported = cfg->framing == BT_ASCS_QOS_FRAMING_UNFRAMED;  in unicast_client_ep_config_state()
907 	pref->phy = cfg->phy;  in unicast_client_ep_config_state()
908 	pref->rtn = cfg->rtn;  in unicast_client_ep_config_state()
909 	pref->latency = sys_le16_to_cpu(cfg->latency);  in unicast_client_ep_config_state()
910 	pref->pd_min = sys_get_le24(cfg->pd_min);  in unicast_client_ep_config_state()
911 	pref->pd_max = sys_get_le24(cfg->pd_max);  in unicast_client_ep_config_state()
912 	pref->pref_pd_min = sys_get_le24(cfg->prefer_pd_min);  in unicast_client_ep_config_state()
913 	pref->pref_pd_max = sys_get_le24(cfg->prefer_pd_max);  in unicast_client_ep_config_state()
915 	LOG_DBG("dir %s unframed_supported 0x%02x phy 0x%02x rtn %u "  in unicast_client_ep_config_state()
917 		bt_audio_dir_str(ep->dir), pref->unframed_supported, pref->phy, pref->rtn,  in unicast_client_ep_config_state()
918 		pref->latency, pref->pd_min, pref->pd_max, pref->pref_pd_min, pref->pref_pd_max,  in unicast_client_ep_config_state()
919 		stream->codec_cfg->id);  in unicast_client_ep_config_state()
931 	unicast_client_ep_set_codec_cfg(ep, cfg->codec.id, sys_le16_to_cpu(cfg->codec.cid),  in unicast_client_ep_config_state()
932 					sys_le16_to_cpu(cfg->codec.vid), cc, cfg->cc_len, NULL);  in unicast_client_ep_config_state()
935 	if (stream->ops != NULL && stream->ops->configured != NULL) {  in unicast_client_ep_config_state()
936 		stream->ops->configured(stream, pref);  in unicast_client_ep_config_state()
949 	ep->receiver_ready = false;  in unicast_client_ep_qos_state()
951 	if (buf->len < sizeof(*qos)) {  in unicast_client_ep_qos_state()
956 	stream = ep->stream;  in unicast_client_ep_qos_state()
961 	ops = stream->ops;  in unicast_client_ep_qos_state()
964 		if (ep->dir == BT_AUDIO_DIR_SINK && ops->disabled != NULL) {  in unicast_client_ep_qos_state()
973 				ops->disabled(stream);  in unicast_client_ep_qos_state()
975 		} else if (ep->dir == BT_AUDIO_DIR_SOURCE &&  in unicast_client_ep_qos_state()
976 			   old_state == BT_BAP_EP_STATE_DISABLING && ops->stopped != NULL) {  in unicast_client_ep_qos_state()
980 			uint8_t reason = ep->reason;  in unicast_client_ep_qos_state()
987 				ep->reason = BT_HCI_ERR_SUCCESS;  in unicast_client_ep_qos_state()
990 			ops->stopped(stream, reason);  in unicast_client_ep_qos_state()
999 	ep->cig_id = qos->cig_id;  in unicast_client_ep_qos_state()
1000 	ep->cis_id = qos->cis_id;  in unicast_client_ep_qos_state()
1001 	(void)memcpy(&stream->qos->interval, sys_le24_to_cpu(qos->interval), sizeof(qos->interval));  in unicast_client_ep_qos_state()
1002 	stream->qos->framing = qos->framing;  in unicast_client_ep_qos_state()
1003 	stream->qos->phy = qos->phy;  in unicast_client_ep_qos_state()
1004 	stream->qos->sdu = sys_le16_to_cpu(qos->sdu);  in unicast_client_ep_qos_state()
1005 	stream->qos->rtn = qos->rtn;  in unicast_client_ep_qos_state()
1006 	stream->qos->latency = sys_le16_to_cpu(qos->latency);  in unicast_client_ep_qos_state()
1007 	(void)memcpy(&stream->qos->pd, sys_le24_to_cpu(qos->pd), sizeof(qos->pd));  in unicast_client_ep_qos_state()
1009 	LOG_DBG("dir %s cig 0x%02x cis 0x%02x codec 0x%02x interval %u "  in unicast_client_ep_qos_state()
1011 		bt_audio_dir_str(ep->dir), ep->cig_id, ep->cis_id, stream->codec_cfg->id,  in unicast_client_ep_qos_state()
1012 		stream->qos->interval, stream->qos->framing, stream->qos->phy, stream->qos->rtn,  in unicast_client_ep_qos_state()
1013 		stream->qos->latency, stream->qos->pd);  in unicast_client_ep_qos_state()
1024 		 * we have the ISO <-> EP coupling completed (due to setting  in unicast_client_ep_qos_state()
1028 		bt_bap_iso_configure_data_path(ep, stream->codec_cfg);  in unicast_client_ep_qos_state()
1032 	if (stream->ops != NULL && stream->ops->qos_set != NULL) {  in unicast_client_ep_qos_state()
1033 		stream->ops->qos_set(stream);  in unicast_client_ep_qos_state()
1046 	if (buf->len < sizeof(*enable)) {  in unicast_client_ep_enabling_state()
1051 	stream = ep->stream;  in unicast_client_ep_enabling_state()
1059 	if (buf->len < enable->metadata_len) {  in unicast_client_ep_enabling_state()
1060 		LOG_ERR("Malformed PDU: remaining len %u expected %u", buf->len,  in unicast_client_ep_enabling_state()
1061 			enable->metadata_len);  in unicast_client_ep_enabling_state()
1065 	metadata = net_buf_simple_pull_mem(buf, enable->metadata_len);  in unicast_client_ep_enabling_state()
1067 	LOG_DBG("dir %s cig 0x%02x cis 0x%02x", bt_audio_dir_str(ep->dir), ep->cig_id, ep->cis_id);  in unicast_client_ep_enabling_state()
1069 	unicast_client_ep_set_metadata(ep, metadata, enable->metadata_len, NULL);  in unicast_client_ep_enabling_state()
1076 		if (stream->ops != NULL && stream->ops->enabled != NULL) {  in unicast_client_ep_enabling_state()
1077 			stream->ops->enabled(stream);  in unicast_client_ep_enabling_state()
1082 		if (stream->ops != NULL && stream->ops->metadata_updated != NULL) {  in unicast_client_ep_enabling_state()
1083 			stream->ops->metadata_updated(stream);  in unicast_client_ep_enabling_state()
1096 	if (buf->len < sizeof(*stream_status)) {  in unicast_client_ep_streaming_state()
1101 	stream = ep->stream;  in unicast_client_ep_streaming_state()
1109 	LOG_DBG("dir %s cig 0x%02x cis 0x%02x", bt_audio_dir_str(ep->dir), ep->cig_id, ep->cis_id);  in unicast_client_ep_streaming_state()
1116 		if (stream->ops != NULL && stream->ops->started != NULL) {  in unicast_client_ep_streaming_state()
1117 			stream->ops->started(stream);  in unicast_client_ep_streaming_state()
1122 		if (stream->ops != NULL && stream->ops->metadata_updated != NULL) {  in unicast_client_ep_streaming_state()
1123 			stream->ops->metadata_updated(stream);  in unicast_client_ep_streaming_state()
1135 	ep->receiver_ready = false;  in unicast_client_ep_disabling_state()
1137 	if (buf->len < sizeof(*disable)) {  in unicast_client_ep_disabling_state()
1142 	stream = ep->stream;  in unicast_client_ep_disabling_state()
1150 	LOG_DBG("dir %s cig 0x%02x cis 0x%02x", bt_audio_dir_str(ep->dir), ep->cig_id, ep->cis_id);  in unicast_client_ep_disabling_state()
1153 	if (stream->ops != NULL && stream->ops->disabled != NULL) {  in unicast_client_ep_disabling_state()
1154 		stream->ops->disabled(stream);  in unicast_client_ep_disabling_state()
1164 	ep->receiver_ready = false;  in unicast_client_ep_releasing_state()
1166 	stream = ep->stream;  in unicast_client_ep_releasing_state()
1172 	LOG_DBG("dir %s", bt_audio_dir_str(ep->dir));  in unicast_client_ep_releasing_state()
1204 	old_state = ep->status.state;  in unicast_client_ep_set_status()
1205 	ep->status = *status;  in unicast_client_ep_set_status()
1206 	state_changed = old_state != ep->status.state;  in unicast_client_ep_set_status()
1211 		struct bt_bap_stream *stream = ep->stream;  in unicast_client_ep_set_status()
1214 			struct bt_bap_stream_ops *ops = stream->ops;  in unicast_client_ep_set_status()
1215 			uint8_t reason = ep->reason;  in unicast_client_ep_set_status()
1222 				ep->reason = BT_HCI_ERR_SUCCESS;  in unicast_client_ep_set_status()
1225 			if (ops != NULL && ops->stopped != NULL) {  in unicast_client_ep_set_status()
1226 				ops->stopped(stream, reason);  in unicast_client_ep_set_status()
1233 	LOG_DBG("ep %p handle 0x%04x id 0x%02x dir %s state %s -> %s", ep, client_ep->handle,  in unicast_client_ep_set_status()
1234 		status->id, bt_audio_dir_str(ep->dir), bt_bap_ep_state_str(old_state),  in unicast_client_ep_set_status()
1235 		bt_bap_ep_state_str(status->state));  in unicast_client_ep_set_status()
1237 	switch (status->state) {  in unicast_client_ep_set_status()
1253 			LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1255 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1263 		if (ep->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_ep_set_status()
1275 				LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1277 					bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1292 				LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1294 					bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1309 			LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1311 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1325 			LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1327 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1334 		if (ep->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_ep_set_status()
1342 				LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1344 					bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1349 			LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1351 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1370 			if (ep->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_ep_set_status()
1376 			LOG_WRN("Invalid state transition: %s -> %s",  in unicast_client_ep_set_status()
1378 				bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_set_status()
1398 		return -EINVAL;  in unicast_client_ep_set_codec_cfg()
1404 		codec_cfg = &ep->codec_cfg;  in unicast_client_ep_set_codec_cfg()
1407 	if (len > sizeof(codec_cfg->data)) {  in unicast_client_ep_set_codec_cfg()
1410 		return -ENOMEM;  in unicast_client_ep_set_codec_cfg()
1413 	codec_cfg->id = id;  in unicast_client_ep_set_codec_cfg()
1414 	codec_cfg->cid = cid;  in unicast_client_ep_set_codec_cfg()
1415 	codec_cfg->vid = vid;  in unicast_client_ep_set_codec_cfg()
1417 	codec_cfg->data_len = len;  in unicast_client_ep_set_codec_cfg()
1418 	memcpy(codec_cfg->data, data, len);  in unicast_client_ep_set_codec_cfg()
1430 		return -EINVAL;  in unicast_client_set_codec_cap()
1439 	codec_cap->id = id;  in unicast_client_set_codec_cap()
1440 	codec_cap->cid = cid;  in unicast_client_set_codec_cap()
1441 	codec_cap->vid = vid;  in unicast_client_set_codec_cap()
1444 		if (data_len > sizeof(codec_cap->data)) {  in unicast_client_set_codec_cap()
1445 			return -ENOMEM;  in unicast_client_set_codec_cap()
1450 		/* If codec is LC3, then it shall be LTV encoded - We verify this before storing the  in unicast_client_set_codec_cap()
1451 		 * data For any non-LC3 codecs, we cannot verify anything  in unicast_client_set_codec_cap()
1459 				return -EINVAL;  in unicast_client_set_codec_cap()
1462 		memcpy(codec_cap->data, data, data_len);  in unicast_client_set_codec_cap()
1463 		codec_cap->data_len = data_len;  in unicast_client_set_codec_cap()
1467 		if (meta_len > sizeof(codec_cap->meta)) {  in unicast_client_set_codec_cap()
1468 			return -ENOMEM;  in unicast_client_set_codec_cap()
1478 			return -EINVAL;  in unicast_client_set_codec_cap()
1481 		memcpy(codec_cap->meta, meta, meta_len);  in unicast_client_set_codec_cap()
1482 		codec_cap->meta_len = meta_len;  in unicast_client_set_codec_cap()
1492 		return -EINVAL;  in unicast_client_ep_set_metadata()
1498 		codec_cfg = &ep->codec_cfg;  in unicast_client_ep_set_metadata()
1501 	if (len > sizeof(codec_cfg->meta)) {  in unicast_client_ep_set_metadata()
1504 		return -ENOMEM;  in unicast_client_ep_set_metadata()
1508 	codec_cfg->meta_len = len;  in unicast_client_ep_set_metadata()
1509 	(void)memcpy(codec_cfg->meta, data, len);  in unicast_client_ep_set_metadata()
1525 		params->value_handle = BAP_HANDLE_UNUSED;  in unicast_client_cp_notify()
1538 	if (rsp->num_ase == BT_ASCS_UNSUPP_OR_LENGTH_ERR_NUM_ASE) {  in unicast_client_cp_notify()
1542 		rsp->num_ase = 1U;  in unicast_client_cp_notify()
1545 	for (uint8_t i = 0U; i < rsp->num_ase; i++) {  in unicast_client_cp_notify()
1558 			"reason %s (0x%02x)", bt_ascs_op_str(rsp->op), rsp->op,  in unicast_client_cp_notify()
1559 			ase_rsp->id, bt_ascs_rsp_str(ase_rsp->code),  in unicast_client_cp_notify()
1560 			ase_rsp->code, bt_ascs_reason_str(ase_rsp->reason),  in unicast_client_cp_notify()
1561 			ase_rsp->reason);  in unicast_client_cp_notify()
1563 		stream = audio_stream_by_ep_id(conn, ase_rsp->id);  in unicast_client_cp_notify()
1565 			LOG_DBG("Could not find stream by id %u", ase_rsp->id);  in unicast_client_cp_notify()
1567 			client_ep = CONTAINER_OF(stream->ep, struct bt_bap_unicast_client_ep, ep);  in unicast_client_cp_notify()
1568 			client_ep->cp_ntf_pending = false;  in unicast_client_cp_notify()
1571 		switch (rsp->op) {  in unicast_client_cp_notify()
1573 			unicast_client_notify_ep_config(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1576 			unicast_client_notify_ep_qos(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1579 			unicast_client_notify_ep_enable(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1582 			unicast_client_notify_ep_start(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1585 			unicast_client_notify_ep_disable(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1588 			unicast_client_notify_ep_stop(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1591 			unicast_client_notify_ep_metadata(stream, ase_rsp->code, ase_rsp->reason);  in unicast_client_cp_notify()
1594 			/* client_ep->release_requested is set to false if handled by the  in unicast_client_cp_notify()
1597 			if (client_ep != NULL && client_ep->release_requested) {  in unicast_client_cp_notify()
1599 				if (ase_rsp->code != BT_BAP_ASCS_RSP_CODE_SUCCESS) {  in unicast_client_cp_notify()
1600 					client_ep->cp_ntf_pending = false;  in unicast_client_cp_notify()
1601 					client_ep->release_requested = false;  in unicast_client_cp_notify()
1604 				unicast_client_notify_ep_released(stream, ase_rsp->code,  in unicast_client_cp_notify()
1605 								  ase_rsp->reason);  in unicast_client_cp_notify()
1620 	uint16_t handle = read->single.handle;  in unicast_client_ase_ntf_read_func()
1637 	buf = &client->net_buf;  in unicast_client_ase_ntf_read_func()
1642 				length + client->net_buf.len);  in unicast_client_ase_ntf_read_func()
1644 			atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in unicast_client_ase_ntf_read_func()
1657 	if (buf->len < sizeof(struct bt_ascs_ase_status)) {  in unicast_client_ase_ntf_read_func()
1658 		LOG_DBG("Read response too small (%u)", buf->len);  in unicast_client_ase_ntf_read_func()
1660 		atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in unicast_client_ase_ntf_read_func()
1670 	atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in unicast_client_ase_ntf_read_func()
1672 	ep = unicast_client_ep_get(conn, client->dir, handle);  in unicast_client_ase_ntf_read_func()
1674 		LOG_DBG("Unknown %s ep for handle 0x%04X", bt_audio_dir_str(client->dir), handle);  in unicast_client_ase_ntf_read_func()
1677 		if (ep->reason == BT_HCI_ERR_SUCCESS) {  in unicast_client_ase_ntf_read_func()
1678 			ep->reason = BT_HCI_ERR_REMOTE_USER_TERM_CONN;  in unicast_client_ase_ntf_read_func()
1690 	struct bt_conn *conn = client_ep->ep.stream->conn;  in long_ase_read()
1692 	struct net_buf_simple *long_read_buf = &client->net_buf;  in long_ase_read()
1695 	LOG_DBG("conn %p ep %p 0x%04X", conn, &client_ep->ep, client_ep->handle);  in long_ase_read()
1697 	if (atomic_test_and_set_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY)) {  in long_ase_read()
1711 		err = k_work_reschedule(&client_ep->ase_read_work,  in long_ase_read()
1720 	client->read_params.func = unicast_client_ase_ntf_read_func;  in long_ase_read()
1721 	client->read_params.handle_count = 1U;  in long_ase_read()
1722 	client->read_params.single.handle = client_ep->handle;  in long_ase_read()
1723 	client->read_params.single.offset = long_read_buf->len;  in long_ase_read()
1725 	err = bt_gatt_read(conn, &client->read_params);  in long_ase_read()
1728 		atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in long_ase_read()
1738 	LOG_DBG("ep %p 0x%04X", &client_ep->ep, client_ep->handle);  in delayed_ase_read_handler()
1755 	ep = &client_ep->ep;  in unicast_client_ep_notify()
1760 	(void)k_work_cancel_delayable(&client_ep->ase_read_work);  in unicast_client_ep_notify()
1764 		params->value_handle = BAP_HANDLE_UNUSED;  in unicast_client_ep_notify()
1768 	max_ntf_size = bt_gatt_get_mtu(conn) - att_ntf_header_size;  in unicast_client_ep_notify()
1773 		if (!atomic_test_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY)) {  in unicast_client_ep_notify()
1774 			struct net_buf_simple *long_read_buf = &client->net_buf;  in unicast_client_ep_notify()
1793 	if (ep->reason == BT_HCI_ERR_SUCCESS) {  in unicast_client_ep_notify()
1794 		ep->reason = BT_HCI_ERR_REMOTE_USER_TERM_CONN;  in unicast_client_ep_notify()
1809 	LOG_DBG("ep %p handle 0x%02x", ep, client_ep->handle);  in unicast_client_ep_subscribe()
1811 	if (client_ep->subscribe.value_handle) {  in unicast_client_ep_subscribe()
1815 	client_ep->subscribe.value_handle = client_ep->handle;  in unicast_client_ep_subscribe()
1816 	client_ep->subscribe.ccc_handle = BT_GATT_AUTO_DISCOVER_CCC_HANDLE;  in unicast_client_ep_subscribe()
1817 	client_ep->subscribe.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_ep_subscribe()
1818 	client_ep->subscribe.disc_params = &client_ep->discover;  in unicast_client_ep_subscribe()
1819 	client_ep->subscribe.notify = unicast_client_ep_notify;  in unicast_client_ep_subscribe()
1820 	client_ep->subscribe.value = BT_GATT_CCC_NOTIFY;  in unicast_client_ep_subscribe()
1821 	atomic_set_bit(client_ep->subscribe.flags, BT_GATT_SUBSCRIBE_FLAG_VOLATILE);  in unicast_client_ep_subscribe()
1823 	err = bt_gatt_subscribe(conn, &client_ep->subscribe);  in unicast_client_ep_subscribe()
1824 	if (err != 0 && err != -EALREADY) {  in unicast_client_ep_subscribe()
1847 	for (size_t i = 0U; i < ARRAY_SIZE(client->snks); i++) {  in unicast_client_ep_set_cp()
1848 		struct bt_bap_unicast_client_ep *client_ep = &client->snks[i];  in unicast_client_ep_set_cp()
1850 		if (client_ep->handle) {  in unicast_client_ep_set_cp()
1851 			client_ep->cp_handle = handle;  in unicast_client_ep_set_cp()
1857 	for (size_t i = 0U; i < ARRAY_SIZE(client->srcs); i++) {  in unicast_client_ep_set_cp()
1858 		struct bt_bap_unicast_client_ep *client_ep = &client->srcs[i];  in unicast_client_ep_set_cp()
1860 		if (client_ep->handle) {  in unicast_client_ep_set_cp()
1861 			client_ep->cp_handle = handle;  in unicast_client_ep_set_cp()
1866 	if (!client->cp_subscribe.value_handle) {  in unicast_client_ep_set_cp()
1869 		client->cp_subscribe.value_handle = handle;  in unicast_client_ep_set_cp()
1870 		client->cp_subscribe.ccc_handle = BT_GATT_AUTO_DISCOVER_CCC_HANDLE;  in unicast_client_ep_set_cp()
1871 		client->cp_subscribe.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_ep_set_cp()
1872 		client->cp_subscribe.disc_params = &client->disc_params;  in unicast_client_ep_set_cp()
1873 		client->cp_subscribe.notify = unicast_client_cp_notify;  in unicast_client_ep_set_cp()
1874 		client->cp_subscribe.value = BT_GATT_CCC_NOTIFY;  in unicast_client_ep_set_cp()
1875 		client->cp_subscribe.subscribe = unicast_client_cp_sub_cb;  in unicast_client_ep_set_cp()
1876 		atomic_set_bit(client->cp_subscribe.flags, BT_GATT_SUBSCRIBE_FLAG_VOLATILE);  in unicast_client_ep_set_cp()
1878 		err = bt_gatt_subscribe(conn, &client->cp_subscribe);  in unicast_client_ep_set_cp()
1879 		if (err != 0 && err != -EALREADY) {  in unicast_client_ep_set_cp()
1896 	if (atomic_test_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY)) {  in bt_bap_unicast_client_ep_create_pdu()
1900 	hdr = net_buf_simple_add(&client->net_buf, sizeof(*hdr));  in bt_bap_unicast_client_ep_create_pdu()
1901 	hdr->op = op;  in bt_bap_unicast_client_ep_create_pdu()
1903 	return &client->net_buf;  in bt_bap_unicast_client_ep_create_pdu()
1914 		return -EINVAL;  in unicast_client_ep_config()
1917 	switch (ep->status.state) {  in unicast_client_ep_config()
1926 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_config()
1927 		return -EINVAL;  in unicast_client_ep_config()
1930 	LOG_DBG("id 0x%02x dir %s codec 0x%02x", ep->status.id, bt_audio_dir_str(ep->dir),  in unicast_client_ep_config()
1931 		codec_cfg->id);  in unicast_client_ep_config()
1934 	req->ase = ep->status.id;  in unicast_client_ep_config()
1935 	req->latency = 0x02; /* TODO: Select target latency based on additional input? */  in unicast_client_ep_config()
1936 	req->phy = 0x02;     /* TODO: Select target PHY based on additional input? */  in unicast_client_ep_config()
1937 	req->codec.id = codec_cfg->id;  in unicast_client_ep_config()
1938 	req->codec.cid = codec_cfg->cid;  in unicast_client_ep_config()
1939 	req->codec.vid = codec_cfg->vid;  in unicast_client_ep_config()
1941 	req->cc_len = codec_cfg->data_len;  in unicast_client_ep_config()
1942 	net_buf_simple_add_mem(buf, codec_cfg->data, codec_cfg->data_len);  in unicast_client_ep_config()
1956 		return -EINVAL;  in bt_bap_unicast_client_ep_qos()
1959 	switch (ep->status.state) {  in bt_bap_unicast_client_ep_qos()
1966 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in bt_bap_unicast_client_ep_qos()
1967 		return -EINVAL;  in bt_bap_unicast_client_ep_qos()
1970 	conn_iso = &ep->iso->chan.iso->iso;  in bt_bap_unicast_client_ep_qos()
1974 		ep->status.id, conn_iso->cig_id, conn_iso->cis_id, qos->interval, qos->framing,  in bt_bap_unicast_client_ep_qos()
1975 		qos->phy, qos->sdu, qos->rtn, qos->latency, qos->pd);  in bt_bap_unicast_client_ep_qos()
1978 	req->ase = ep->status.id;  in bt_bap_unicast_client_ep_qos()
1980 	req->cig = conn_iso->cig_id;  in bt_bap_unicast_client_ep_qos()
1981 	req->cis = conn_iso->cis_id;  in bt_bap_unicast_client_ep_qos()
1982 	sys_put_le24(qos->interval, req->interval);  in bt_bap_unicast_client_ep_qos()
1983 	req->framing = qos->framing;  in bt_bap_unicast_client_ep_qos()
1984 	req->phy = qos->phy;  in bt_bap_unicast_client_ep_qos()
1985 	req->sdu = qos->sdu;  in bt_bap_unicast_client_ep_qos()
1986 	req->rtn = qos->rtn;  in bt_bap_unicast_client_ep_qos()
1987 	req->latency = sys_cpu_to_le16(qos->latency);  in bt_bap_unicast_client_ep_qos()
1988 	sys_put_le24(qos->pd, req->pd);  in bt_bap_unicast_client_ep_qos()
2001 		return -EINVAL;  in unicast_client_ep_enable()
2004 	if (ep->status.state != BT_BAP_EP_STATE_QOS_CONFIGURED) {  in unicast_client_ep_enable()
2005 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_enable()
2006 		return -EINVAL;  in unicast_client_ep_enable()
2009 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_enable()
2012 	req->ase = ep->status.id;  in unicast_client_ep_enable()
2014 	req->len = meta_len;  in unicast_client_ep_enable()
2028 		return -EINVAL;  in unicast_client_ep_metadata()
2031 	switch (ep->status.state) {  in unicast_client_ep_metadata()
2038 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_metadata()
2039 		return -EINVAL;  in unicast_client_ep_metadata()
2042 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_metadata()
2045 	req->ase = ep->status.id;  in unicast_client_ep_metadata()
2047 	req->len = meta_len;  in unicast_client_ep_metadata()
2058 		return -EINVAL;  in unicast_client_ep_start()
2061 	if (ep->status.state != BT_BAP_EP_STATE_ENABLING &&  in unicast_client_ep_start()
2062 	    ep->status.state != BT_BAP_EP_STATE_DISABLING) {  in unicast_client_ep_start()
2063 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_start()
2064 		return -EINVAL;  in unicast_client_ep_start()
2067 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_start()
2069 	net_buf_simple_add_u8(buf, ep->status.id);  in unicast_client_ep_start()
2079 		return -EINVAL;  in unicast_client_ep_disable()
2082 	switch (ep->status.state) {  in unicast_client_ep_disable()
2089 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_disable()
2090 		return -EINVAL;  in unicast_client_ep_disable()
2093 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_disable()
2095 	net_buf_simple_add_u8(buf, ep->status.id);  in unicast_client_ep_disable()
2105 		return -EINVAL;  in unicast_client_ep_stop()
2109 	if (ep->status.state != BT_BAP_EP_STATE_DISABLING) {  in unicast_client_ep_stop()
2110 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_stop()
2111 		return -EINVAL;  in unicast_client_ep_stop()
2114 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_stop()
2116 	net_buf_simple_add_u8(buf, ep->status.id);  in unicast_client_ep_stop()
2126 		return -EINVAL;  in unicast_client_ep_release()
2129 	switch (ep->status.state) {  in unicast_client_ep_release()
2142 		LOG_ERR("Invalid state: %s", bt_bap_ep_state_str(ep->status.state));  in unicast_client_ep_release()
2143 		return -EINVAL;  in unicast_client_ep_release()
2146 	LOG_DBG("id 0x%02x", ep->status.id);  in unicast_client_ep_release()
2148 	net_buf_simple_add_u8(buf, ep->status.id);  in unicast_client_ep_release()
2161 	atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in gatt_write_cb()
2170 	const uint16_t max_write_size = bt_gatt_get_mtu(conn) - att_write_header_size;  in bt_bap_unicast_client_ep_send()
2176 	LOG_DBG("conn %p ep %p buf %p len %u", conn, ep, buf, buf->len);  in bt_bap_unicast_client_ep_send()
2178 	if (buf->len > max_write_size) {  in bt_bap_unicast_client_ep_send()
2179 		if (atomic_test_and_set_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY)) {  in bt_bap_unicast_client_ep_send()
2181 			return -EBUSY;  in bt_bap_unicast_client_ep_send()
2184 		client->write_params.func = gatt_write_cb;  in bt_bap_unicast_client_ep_send()
2185 		client->write_params.handle = client_ep->cp_handle;  in bt_bap_unicast_client_ep_send()
2186 		client->write_params.offset = 0U;  in bt_bap_unicast_client_ep_send()
2187 		client->write_params.data = buf->data;  in bt_bap_unicast_client_ep_send()
2188 		client->write_params.length = buf->len;  in bt_bap_unicast_client_ep_send()
2190 		client->write_params.chan_opt = BT_ATT_CHAN_OPT_NONE;  in bt_bap_unicast_client_ep_send()
2193 		err = bt_gatt_write(conn, &client->write_params);  in bt_bap_unicast_client_ep_send()
2196 			atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in bt_bap_unicast_client_ep_send()
2199 		err = bt_gatt_write_without_response(conn, client_ep->cp_handle, buf->data,  in bt_bap_unicast_client_ep_send()
2200 						     buf->len, false);  in bt_bap_unicast_client_ep_send()
2210 		client_ep->cp_ntf_pending = true;  in bt_bap_unicast_client_ep_send()
2222 	ep->reason = reason;  in unicast_client_reset()
2227 	if (ep->iso != NULL && ep->iso->chan.state == BT_ISO_STATE_DISCONNECTING) {  in unicast_client_reset()
2232 	(void)k_work_cancel_delayable(&client_ep->ase_read_work);  in unicast_client_reset()
2235 	client_ep->cp_handle = BAP_HANDLE_UNUSED;  in unicast_client_reset()
2236 	client_ep->handle = BAP_HANDLE_UNUSED;  in unicast_client_reset()
2237 	(void)memset(&client_ep->discover, 0, sizeof(client_ep->discover));  in unicast_client_reset()
2238 	client_ep->release_requested = false;  in unicast_client_reset()
2239 	client_ep->cp_ntf_pending = false;  in unicast_client_reset()
2269 	atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in unicast_client_ep_reset()
2270 	client->dir = 0U;  in unicast_client_ep_reset()
2277 	cig_param->framing = group->cig_param.framing;  in bt_bap_qos_cfg_to_cig_param()
2278 	cig_param->c_to_p_interval = group->cig_param.c_to_p_interval;  in bt_bap_qos_cfg_to_cig_param()
2279 	cig_param->p_to_c_interval = group->cig_param.p_to_c_interval;  in bt_bap_qos_cfg_to_cig_param()
2280 	cig_param->c_to_p_latency = group->cig_param.c_to_p_latency;  in bt_bap_qos_cfg_to_cig_param()
2281 	cig_param->p_to_c_latency = group->cig_param.p_to_c_latency;  in bt_bap_qos_cfg_to_cig_param()
2282 	cig_param->packing = group->cig_param.packing;  in bt_bap_qos_cfg_to_cig_param()
2283 	cig_param->sca = BT_GAP_SCA_UNKNOWN;  in bt_bap_qos_cfg_to_cig_param()
2286 		cig_param->c_to_p_ft = group->cig_param.c_to_p_ft;  in bt_bap_qos_cfg_to_cig_param()
2287 		cig_param->p_to_c_ft = group->cig_param.p_to_c_ft;  in bt_bap_qos_cfg_to_cig_param()
2288 		cig_param->iso_interval = group->cig_param.iso_interval;  in bt_bap_qos_cfg_to_cig_param()
2297 	if (cig_param->c_to_p_interval == 0U) {  in bt_bap_qos_cfg_to_cig_param()
2298 		cig_param->c_to_p_interval = cig_param->p_to_c_interval;  in bt_bap_qos_cfg_to_cig_param()
2299 	} else if (cig_param->p_to_c_interval == 0U) {  in bt_bap_qos_cfg_to_cig_param()
2300 		cig_param->p_to_c_interval = cig_param->c_to_p_interval;  in bt_bap_qos_cfg_to_cig_param()
2303 	if (cig_param->c_to_p_latency == 0U) {  in bt_bap_qos_cfg_to_cig_param()
2304 		cig_param->c_to_p_latency = cig_param->p_to_c_latency;  in bt_bap_qos_cfg_to_cig_param()
2305 	} else if (cig_param->p_to_c_latency == 0U) {  in bt_bap_qos_cfg_to_cig_param()
2306 		cig_param->p_to_c_latency = cig_param->c_to_p_latency;  in bt_bap_qos_cfg_to_cig_param()
2314 	for (size_t i = 0U; i < ARRAY_SIZE(unicast_group->cis); i++) {  in unicast_group_get_cis_count()
2315 		if (unicast_group->cis[i] == NULL) {  in unicast_group_get_cis_count()
2334 	param.cis_channels = group->cis;  in bt_audio_cig_create()
2337 	err = bt_iso_cig_create(&param, &group->cig);  in bt_audio_cig_create()
2355 	for (size_t i = 0U; i < ARRAY_SIZE(group->cis); i++) {  in bt_audio_cig_reconfigure()
2356 		if (group->cis[i] == NULL) {  in bt_audio_cig_reconfigure()
2365 	param.cis_channels = group->cis;  in bt_audio_cig_reconfigure()
2368 	err = bt_iso_cig_reconfigure(group->cig, &param);  in bt_audio_cig_reconfigure()
2382 	SYS_SLIST_FOR_EACH_CONTAINER(&group->streams, stream, _node) {  in audio_stream_qos_cleanup()
2383 		if (stream->conn != conn) {  in audio_stream_qos_cleanup()
2388 		if (stream->ep == NULL) {  in audio_stream_qos_cleanup()
2393 		bt_bap_iso_unbind_ep(stream->ep->iso, stream->ep);  in audio_stream_qos_cleanup()
2401 	return bt_iso_cig_terminate(group->cig);  in unicast_client_cig_terminate()
2411 	/* Append iso channel to the group->cis array */  in unicast_group_add_iso()
2412 	for (size_t i = 0U; i < ARRAY_SIZE(group->cis); i++) {  in unicast_group_add_iso()
2414 		if (group->cis[i] == &iso->chan) {  in unicast_group_add_iso()
2418 		if (chan_slot == NULL && group->cis[i] == NULL) {  in unicast_group_add_iso()
2419 			chan_slot = &group->cis[i];  in unicast_group_add_iso()
2424 		return -ENOMEM;  in unicast_group_add_iso()
2427 	*chan_slot = &iso->chan;  in unicast_group_add_iso()
2439 	SYS_SLIST_FOR_EACH_CONTAINER(&group->streams, stream, _node) {  in unicast_group_del_iso()
2440 		if (stream->ep->iso == iso) {  in unicast_group_del_iso()
2446 	for (size_t i = 0U; i < ARRAY_SIZE(group->cis); i++) {  in unicast_group_del_iso()
2447 		if (group->cis[i] == &iso->chan) {  in unicast_group_del_iso()
2448 			group->cis[i] = NULL;  in unicast_group_del_iso()
2456 					      enum bt_audio_dir dir)  in unicast_client_qos_cfg_to_iso_qos()  argument
2461 	if (dir == BT_AUDIO_DIR_SINK) {  in unicast_client_qos_cfg_to_iso_qos()
2465 		io_qos = iso->chan.qos->tx;  in unicast_client_qos_cfg_to_iso_qos()
2467 			other_io_qos = iso->chan.qos->rx;  in unicast_client_qos_cfg_to_iso_qos()
2472 		/* If the endpoint is a source, then we need to  in unicast_client_qos_cfg_to_iso_qos()
2475 		io_qos = iso->chan.qos->rx;  in unicast_client_qos_cfg_to_iso_qos()
2477 			other_io_qos = iso->chan.qos->tx;  in unicast_client_qos_cfg_to_iso_qos()
2485 	iso->chan.qos->num_subevents = qos->num_subevents;  in unicast_client_qos_cfg_to_iso_qos()
2492 		other_io_qos->phy = io_qos->phy;  in unicast_client_qos_cfg_to_iso_qos()
2499 					       enum bt_audio_dir dir)  in unicast_group_set_iso_stream_param()  argument
2502 	unicast_client_qos_cfg_to_iso_qos(iso, qos, dir);  in unicast_group_set_iso_stream_param()
2504 	/* Store the group Codec QoS in the group - This assume thats the parameters have been  in unicast_group_set_iso_stream_param()
2507 	group->cig_param.framing = qos->framing;  in unicast_group_set_iso_stream_param()
2508 	if (dir == BT_AUDIO_DIR_SOURCE) {  in unicast_group_set_iso_stream_param()
2509 		group->cig_param.p_to_c_interval = qos->interval;  in unicast_group_set_iso_stream_param()
2510 		group->cig_param.p_to_c_latency = qos->latency;  in unicast_group_set_iso_stream_param()
2512 		group->cig_param.c_to_p_interval = qos->interval;  in unicast_group_set_iso_stream_param()
2513 		group->cig_param.c_to_p_latency = qos->latency;  in unicast_group_set_iso_stream_param()
2519 				     struct bt_bap_iso *iso, enum bt_audio_dir dir)  in unicast_group_add_stream()  argument
2521 	struct bt_bap_stream *stream = param->stream;  in unicast_group_add_stream()
2522 	struct bt_bap_qos_cfg *qos = param->qos;  in unicast_group_add_stream()
2524 	LOG_DBG("group %p stream %p qos %p iso %p dir %u", group, stream, qos, iso, dir);  in unicast_group_add_stream()
2526 	__ASSERT_NO_MSG(stream->ep == NULL || (stream->ep != NULL && stream->ep->iso == NULL));  in unicast_group_add_stream()
2528 	stream->qos = qos;  in unicast_group_add_stream()
2529 	stream->group = group;  in unicast_group_add_stream()
2532 	bt_bap_iso_bind_stream(iso, stream, dir);  in unicast_group_add_stream()
2533 	if (stream->ep != NULL) {  in unicast_group_add_stream()
2534 		bt_bap_iso_bind_ep(iso, stream->ep);  in unicast_group_add_stream()
2537 	unicast_group_set_iso_stream_param(group, iso, qos, dir);  in unicast_group_add_stream()
2539 	sys_slist_append(&group->streams, &stream->_node);  in unicast_group_add_stream()
2550 	__ASSERT_NO_MSG(param->rx_param != NULL || param->tx_param != NULL);  in unicast_group_add_stream_pair()
2554 		return -ENOMEM;  in unicast_group_add_stream_pair()
2563 	if (param->rx_param != NULL) {  in unicast_group_add_stream_pair()
2564 		unicast_group_add_stream(group, param->rx_param, iso, BT_AUDIO_DIR_SOURCE);  in unicast_group_add_stream_pair()
2567 	if (param->tx_param != NULL) {  in unicast_group_add_stream_pair()
2568 		unicast_group_add_stream(group, param->tx_param, iso, BT_AUDIO_DIR_SINK);  in unicast_group_add_stream_pair()
2577 				     struct bt_bap_stream *stream, enum bt_audio_dir dir)  in unicast_group_del_stream()  argument
2582 	if (sys_slist_find_and_remove(&group->streams, &stream->_node)) {  in unicast_group_del_stream()
2583 		struct bt_bap_ep *ep = stream->ep;  in unicast_group_del_stream()
2585 		if (stream->bap_iso != NULL) {  in unicast_group_del_stream()
2586 			bt_bap_iso_unbind_stream(stream->bap_iso, stream, dir);  in unicast_group_del_stream()
2589 		if (ep != NULL && ep->iso != NULL) {  in unicast_group_del_stream()
2590 			unicast_group_del_iso(group, ep->iso);  in unicast_group_del_stream()
2592 			bt_bap_iso_unbind_ep(ep->iso, ep);  in unicast_group_del_stream()
2595 		stream->group = NULL;  in unicast_group_del_stream()
2604 	__ASSERT_NO_MSG(param->rx_param != NULL || param->tx_param != NULL);  in unicast_group_del_stream_pair()
2606 	if (param->rx_param != NULL) {  in unicast_group_del_stream_pair()
2607 		__ASSERT_NO_MSG(param->rx_param->stream);  in unicast_group_del_stream_pair()
2608 		unicast_group_del_stream(group, param->rx_param->stream, BT_AUDIO_DIR_SOURCE);  in unicast_group_del_stream_pair()
2611 	if (param->tx_param != NULL) {  in unicast_group_del_stream_pair()
2612 		__ASSERT_NO_MSG(param->tx_param->stream);  in unicast_group_del_stream_pair()
2613 		unicast_group_del_stream(group, param->tx_param->stream, BT_AUDIO_DIR_SINK);  in unicast_group_del_stream_pair()
2627 			group->allocated = true;  in unicast_group_alloc()
2628 			group->index = i;  in unicast_group_alloc()
2643 	SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&group->streams, stream, next, _node) {  in unicast_group_free()
2644 		struct bt_bap_iso *bap_iso = stream->bap_iso;  in unicast_group_free()
2645 		struct bt_bap_ep *ep = stream->ep;  in unicast_group_free()
2647 		stream->group = NULL;  in unicast_group_free()
2649 			if (bap_iso->rx.stream == stream) {  in unicast_group_free()
2650 				bt_bap_iso_unbind_stream(stream->bap_iso, stream,  in unicast_group_free()
2652 			} else if (bap_iso->tx.stream == stream) {  in unicast_group_free()
2653 				bt_bap_iso_unbind_stream(stream->bap_iso, stream,  in unicast_group_free()
2660 		if (ep != NULL && ep->iso != NULL) {  in unicast_group_free()
2661 			bt_bap_iso_unbind_ep(ep->iso, ep);  in unicast_group_free()
2664 		sys_slist_remove(&group->streams, NULL, &stream->_node);  in unicast_group_free()
2667 	group->allocated = false;  in unicast_group_free()
2672 	CHECKIF(param->stream == NULL)  in stream_param_check()
2674 		LOG_DBG("param->stream is NULL");  in stream_param_check()
2675 		return -EINVAL;  in stream_param_check()
2678 	CHECKIF(param->qos == NULL)  in stream_param_check()
2680 		LOG_DBG("param->qos is NULL");  in stream_param_check()
2681 		return -EINVAL;  in stream_param_check()
2684 	if (param->stream != NULL && param->stream->group != NULL) {  in stream_param_check()
2685 		LOG_DBG("stream %p already part of group %p", param->stream, param->stream->group);  in stream_param_check()
2686 		return -EALREADY;  in stream_param_check()
2689 	CHECKIF(bt_audio_verify_qos(param->qos) != BT_BAP_ASCS_REASON_NONE)  in stream_param_check()
2692 		return -EINVAL;  in stream_param_check()
2702 	CHECKIF(param->rx_param == NULL && param->tx_param == NULL)  in stream_pair_param_check()
2705 		return -EINVAL;  in stream_pair_param_check()
2708 	if (param->rx_param != NULL) {  in stream_pair_param_check()
2709 		err = stream_param_check(param->rx_param);  in stream_pair_param_check()
2715 	if (param->tx_param != NULL) {  in stream_pair_param_check()
2716 		err = stream_param_check(param->tx_param);  in stream_pair_param_check()
2729 					     enum bt_audio_dir dir)  in valid_unicast_group_stream_param()  argument
2733 	CHECKIF(param->stream == NULL) {  in valid_unicast_group_stream_param()
2734 		LOG_DBG("param->stream is NULL");  in valid_unicast_group_stream_param()
2735 		return -EINVAL;  in valid_unicast_group_stream_param()
2738 	CHECKIF(param->qos == NULL) {  in valid_unicast_group_stream_param()
2739 		LOG_DBG("param->qos is NULL");  in valid_unicast_group_stream_param()
2740 		return -EINVAL;  in valid_unicast_group_stream_param()
2743 	if (param->stream != NULL && param->stream->group != NULL) {  in valid_unicast_group_stream_param()
2744 		if (unicast_group != NULL && param->stream->group != unicast_group) {  in valid_unicast_group_stream_param()
2745 			LOG_DBG("stream %p not part of group %p (%p)", param->stream, unicast_group,  in valid_unicast_group_stream_param()
2746 				param->stream->group);  in valid_unicast_group_stream_param()
2748 			LOG_DBG("stream %p already part of group %p", param->stream,  in valid_unicast_group_stream_param()
2749 				param->stream->group);  in valid_unicast_group_stream_param()
2751 		return -EALREADY;  in valid_unicast_group_stream_param()
2754 	CHECKIF(bt_audio_verify_qos(param->qos) != BT_BAP_ASCS_REASON_NONE) {  in valid_unicast_group_stream_param()
2756 		return -EINVAL;  in valid_unicast_group_stream_param()
2759 	qos = param->qos;  in valid_unicast_group_stream_param()
2764 	if (dir == BT_AUDIO_DIR_SINK) {  in valid_unicast_group_stream_param()
2765 		if (cig_param->c_to_p_interval == 0) {  in valid_unicast_group_stream_param()
2766 			cig_param->c_to_p_interval = qos->interval;  in valid_unicast_group_stream_param()
2767 		} else if (cig_param->c_to_p_interval != qos->interval) {  in valid_unicast_group_stream_param()
2771 		if (cig_param->c_to_p_latency == 0) {  in valid_unicast_group_stream_param()
2772 			cig_param->c_to_p_latency = qos->latency;  in valid_unicast_group_stream_param()
2773 		} else if (cig_param->c_to_p_latency != qos->latency) {  in valid_unicast_group_stream_param()
2777 		if (cig_param->p_to_c_interval == 0) {  in valid_unicast_group_stream_param()
2778 			cig_param->p_to_c_interval = qos->interval;  in valid_unicast_group_stream_param()
2779 		} else if (cig_param->p_to_c_interval != qos->interval) {  in valid_unicast_group_stream_param()
2783 		if (cig_param->p_to_c_latency == 0) {  in valid_unicast_group_stream_param()
2784 			cig_param->p_to_c_latency = qos->latency;  in valid_unicast_group_stream_param()
2785 		} else if (cig_param->p_to_c_latency != qos->latency) {  in valid_unicast_group_stream_param()
2790 	if (cig_param->framing == 0) {  in valid_unicast_group_stream_param()
2791 		if (qos->framing == BT_BAP_QOS_CFG_FRAMING_UNFRAMED) {  in valid_unicast_group_stream_param()
2792 			cig_param->framing = BT_ISO_FRAMING_UNFRAMED;  in valid_unicast_group_stream_param()
2793 		} else if (qos->framing == BT_BAP_QOS_CFG_FRAMING_FRAMED) {  in valid_unicast_group_stream_param()
2794 			cig_param->framing = BT_ISO_FRAMING_FRAMED;  in valid_unicast_group_stream_param()
2796 	} else if ((qos->framing == BT_BAP_QOS_CFG_FRAMING_UNFRAMED &&  in valid_unicast_group_stream_param()
2797 		    cig_param->framing != BT_ISO_FRAMING_UNFRAMED) ||  in valid_unicast_group_stream_param()
2798 		   (qos->framing == BT_BAP_QOS_CFG_FRAMING_FRAMED &&  in valid_unicast_group_stream_param()
2799 		    cig_param->framing != BT_ISO_FRAMING_FRAMED)) {  in valid_unicast_group_stream_param()
2817 	if (pair_param->rx_param != NULL) {  in valid_group_stream_pair_param()
2818 		if (!valid_unicast_group_stream_param(unicast_group, pair_param->rx_param,  in valid_group_stream_pair_param()
2824 	if (pair_param->tx_param != NULL) {  in valid_group_stream_pair_param()
2825 		if (!valid_unicast_group_stream_param(unicast_group, pair_param->tx_param,  in valid_group_stream_pair_param()
2842 	CHECKIF(param->params_count > UNICAST_GROUP_STREAM_CNT) {  in valid_unicast_group_param()
2843 		LOG_DBG("Too many streams provided: %u/%u", param->params_count,  in valid_unicast_group_param()
2851 		if (param->params_count != group_cis_cnt) {  in valid_unicast_group_param()
2853 				group_cis_cnt, param->params_count);  in valid_unicast_group_param()
2859 	for (size_t i = 0U; i < param->params_count; i++) {  in valid_unicast_group_param()
2860 		if (!valid_group_stream_pair_param(unicast_group, &param->params[i])) {  in valid_unicast_group_param()
2877 		return -EINVAL;  in bt_bap_unicast_group_create()
2879 	/* Set out_unicast_group to NULL until the source has actually been created */  in bt_bap_unicast_group_create()
2885 		return -ENOMEM;  in bt_bap_unicast_group_create()
2891 		return -EINVAL;  in bt_bap_unicast_group_create()
2894 	for (size_t i = 0U; i < param->params_count; i++) {  in bt_bap_unicast_group_create()
2897 		stream_param = &param->params[i];  in bt_bap_unicast_group_create()
2899 		unicast_group->cig_param.packing = param->packing;  in bt_bap_unicast_group_create()
2901 			unicast_group->cig_param.c_to_p_ft = param->c_to_p_ft;  in bt_bap_unicast_group_create()
2902 			unicast_group->cig_param.p_to_c_ft = param->p_to_c_ft;  in bt_bap_unicast_group_create()
2903 			unicast_group->cig_param.iso_interval = param->iso_interval;  in bt_bap_unicast_group_create()
2943 		return -EINVAL;  in bt_bap_unicast_group_reconfig()
2946 	if (unicast_group->has_been_connected) {  in bt_bap_unicast_group_reconfig()
2948 		return -EINVAL;  in bt_bap_unicast_group_reconfig()
2952 		return -EINVAL;  in bt_bap_unicast_group_reconfig()
2959 	SYS_SLIST_FOR_EACH_CONTAINER(&unicast_group->streams, tmp_stream, _node) {  in bt_bap_unicast_group_reconfig()
2960 		memcpy(&rx_io_qos_backup[idx], tmp_stream->bap_iso->chan.qos->rx,  in bt_bap_unicast_group_reconfig()
2962 		memcpy(&tx_io_qos_backup[idx], tmp_stream->bap_iso->chan.qos->tx,  in bt_bap_unicast_group_reconfig()
2966 			(num_subevents_backup[idx] = tmp_stream->bap_iso->chan.qos->num_subevents));  in bt_bap_unicast_group_reconfig()
2969 	memcpy(&cig_param_backup, &unicast_group->cig_param, sizeof(cig_param_backup));  in bt_bap_unicast_group_reconfig()
2972 	for (size_t i = 0U; i < param->params_count; i++) {  in bt_bap_unicast_group_reconfig()
2973 		struct bt_bap_unicast_group_stream_pair_param *stream_param = &param->params[i];  in bt_bap_unicast_group_reconfig()
2974 		struct bt_bap_unicast_group_stream_param *rx_param = stream_param->rx_param;  in bt_bap_unicast_group_reconfig()
2975 		struct bt_bap_unicast_group_stream_param *tx_param = stream_param->tx_param;  in bt_bap_unicast_group_reconfig()
2978 			unicast_group_set_iso_stream_param(unicast_group, rx_param->stream->bap_iso,  in bt_bap_unicast_group_reconfig()
2979 							   rx_param->qos, BT_AUDIO_DIR_SOURCE);  in bt_bap_unicast_group_reconfig()
2983 			unicast_group_set_iso_stream_param(unicast_group, tx_param->stream->bap_iso,  in bt_bap_unicast_group_reconfig()
2984 							   tx_param->qos, BT_AUDIO_DIR_SOURCE);  in bt_bap_unicast_group_reconfig()
2994 		memcpy(&unicast_group->cig_param, &cig_param_backup, sizeof(cig_param_backup));  in bt_bap_unicast_group_reconfig()
2996 		SYS_SLIST_FOR_EACH_CONTAINER(&unicast_group->streams, tmp_stream, _node) {  in bt_bap_unicast_group_reconfig()
2997 			memcpy(tmp_stream->bap_iso->chan.qos->rx, &rx_io_qos_backup[idx],  in bt_bap_unicast_group_reconfig()
2999 			memcpy(tmp_stream->bap_iso->chan.qos->tx, &tx_io_qos_backup[idx],  in bt_bap_unicast_group_reconfig()
3002 				   (tmp_stream->bap_iso->chan.qos->num_subevents =  in bt_bap_unicast_group_reconfig()
3026 		return -EINVAL;  in bt_bap_unicast_group_add_streams()
3029 	if (unicast_group->has_been_connected) {  in bt_bap_unicast_group_add_streams()
3031 		return -EINVAL;  in bt_bap_unicast_group_add_streams()
3037 		return -EINVAL;  in bt_bap_unicast_group_add_streams()
3043 		return -EINVAL;  in bt_bap_unicast_group_add_streams()
3047 	SYS_SLIST_FOR_EACH_CONTAINER(&unicast_group->streams, tmp_stream, _node) {  in bt_bap_unicast_group_add_streams()
3054 		return -EINVAL;  in bt_bap_unicast_group_add_streams()
3059 			return -EINVAL;  in bt_bap_unicast_group_add_streams()
3066 	cig = unicast_group->cig;  in bt_bap_unicast_group_add_streams()
3067 	if (cig != NULL && cig->state != BT_ISO_CIG_STATE_CONFIGURED) {  in bt_bap_unicast_group_add_streams()
3069 		return -EBADMSG;  in bt_bap_unicast_group_add_streams()
3099 	while (num_added--) {  in bt_bap_unicast_group_add_streams()
3113 		return -EINVAL;  in bt_bap_unicast_group_delete()
3116 	SYS_SLIST_FOR_EACH_CONTAINER(&unicast_group->streams, stream, _node) {  in bt_bap_unicast_group_delete()
3120 		if (stream->ep != NULL) {  in bt_bap_unicast_group_delete()
3122 			return -EINVAL;  in bt_bap_unicast_group_delete()
3126 	if (unicast_group->cig != NULL) {  in bt_bap_unicast_group_delete()
3144 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_config()
3151 	if (stream->conn == NULL) {  in bt_bap_unicast_client_config()
3154 		return -ENOTCONN;  in bt_bap_unicast_client_config()
3157 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_CONFIG_OP);  in bt_bap_unicast_client_config()
3160 		return -EBUSY;  in bt_bap_unicast_client_config()
3164 	op->num_ases = 0x01;  in bt_bap_unicast_client_config()
3171 	err = bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_config()
3191 		return -ENOTCONN;  in bt_bap_unicast_client_qos()
3200 	SYS_SLIST_FOR_EACH_CONTAINER(&group->streams, stream, _node) {  in bt_bap_unicast_client_qos()
3201 		if (stream->conn != conn) {  in bt_bap_unicast_client_qos()
3207 		ep = stream->ep;  in bt_bap_unicast_client_qos()
3209 			LOG_DBG("stream->ep is NULL");  in bt_bap_unicast_client_qos()
3210 			return -EINVAL;  in bt_bap_unicast_client_qos()
3216 		switch (ep->status.state) {  in bt_bap_unicast_client_qos()
3221 			LOG_DBG("Invalid state: %s", bt_bap_ep_state_str(stream->ep->status.state));  in bt_bap_unicast_client_qos()
3222 			return -EINVAL;  in bt_bap_unicast_client_qos()
3225 		if (bt_bap_stream_verify_qos(stream, stream->qos) != BT_BAP_ASCS_REASON_NONE) {  in bt_bap_unicast_client_qos()
3226 			return -EINVAL;  in bt_bap_unicast_client_qos()
3229 		/* Verify ep->dir */  in bt_bap_unicast_client_qos()
3230 		switch (ep->dir) {  in bt_bap_unicast_client_qos()
3235 			__ASSERT(false, "invalid endpoint dir: %u", ep->dir);  in bt_bap_unicast_client_qos()
3236 			return -EINVAL;  in bt_bap_unicast_client_qos()
3239 		if (stream->bap_iso == NULL) {  in bt_bap_unicast_client_qos()
3244 			return -EINVAL;  in bt_bap_unicast_client_qos()
3250 		return -EINVAL;  in bt_bap_unicast_client_qos()
3257 		return -EBUSY;  in bt_bap_unicast_client_qos()
3264 	SYS_SLIST_FOR_EACH_CONTAINER(&group->streams, stream, _node) {  in bt_bap_unicast_client_qos()
3265 		if (stream->conn != conn) {  in bt_bap_unicast_client_qos()
3270 		op->num_ases++;  in bt_bap_unicast_client_qos()
3272 		if (stream->ep->iso == NULL) {  in bt_bap_unicast_client_qos()
3274 			bt_bap_iso_bind_ep(stream->bap_iso, stream->ep);  in bt_bap_unicast_client_qos()
3277 		err = bt_bap_unicast_client_ep_qos(stream->ep, buf, stream->qos);  in bt_bap_unicast_client_qos()
3285 			ep = stream->ep;  in bt_bap_unicast_client_qos()
3303 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_enable()
3310 	if (stream->conn == NULL) {  in bt_bap_unicast_client_enable()
3313 		return -ENOTCONN;  in bt_bap_unicast_client_enable()
3316 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_ENABLE_OP);  in bt_bap_unicast_client_enable()
3319 		return -EBUSY;  in bt_bap_unicast_client_enable()
3323 	req->num_ases = 0x01;  in bt_bap_unicast_client_enable()
3330 	return bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_enable()
3336 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_metadata()
3343 	if (stream->conn == NULL) {  in bt_bap_unicast_client_metadata()
3346 		return -ENOTCONN;  in bt_bap_unicast_client_metadata()
3349 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_METADATA_OP);  in bt_bap_unicast_client_metadata()
3352 		return -EBUSY;  in bt_bap_unicast_client_metadata()
3356 	req->num_ases = 0x01;  in bt_bap_unicast_client_metadata()
3363 	return bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_metadata()
3377 		return -EINVAL;  in bt_bap_unicast_client_connect()
3384 		return -EINVAL;  in bt_bap_unicast_client_connect()
3389 	param.acl = stream->conn;  in bt_bap_unicast_client_connect()
3392 	iso_state = iso_chan->state;  in bt_bap_unicast_client_connect()
3396 		if (err == 0 || err == -EBUSY) { /* Expected / known return values */  in bt_bap_unicast_client_connect()
3403 		return -ENOEXEC;  in bt_bap_unicast_client_connect()
3407 		return -EALREADY;  in bt_bap_unicast_client_connect()
3412 	return -EBADMSG;  in bt_bap_unicast_client_connect()
3417 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_start()
3422 	if (stream->conn == NULL) {  in bt_bap_unicast_client_start()
3425 		return -ENOTCONN;  in bt_bap_unicast_client_start()
3428 	/* As per the ASCS spec, only source streams can be started by the client */  in bt_bap_unicast_client_start()
3429 	if (ep->dir == BT_AUDIO_DIR_SINK) {  in bt_bap_unicast_client_start()
3430 		LOG_DBG("Stream %p is not a source stream", stream);  in bt_bap_unicast_client_start()
3432 		return -EINVAL;  in bt_bap_unicast_client_start()
3435 	ep->receiver_ready = true;  in bt_bap_unicast_client_start()
3442 		ep->receiver_ready = false;  in bt_bap_unicast_client_start()
3452 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_disable()
3459 	if (stream->conn == NULL) {  in bt_bap_unicast_client_disable()
3462 		return -ENOTCONN;  in bt_bap_unicast_client_disable()
3465 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_DISABLE_OP);  in bt_bap_unicast_client_disable()
3468 		return -EBUSY;  in bt_bap_unicast_client_disable()
3472 	req->num_ases = 0x01;  in bt_bap_unicast_client_disable()
3479 	return bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_disable()
3484 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_stop()
3492 	if (stream->conn == NULL) {  in bt_bap_unicast_client_stop()
3495 		return -ENOTCONN;  in bt_bap_unicast_client_stop()
3508 	if (ep->iso == NULL) {  in bt_bap_unicast_client_stop()
3510 		return -EALREADY;  in bt_bap_unicast_client_stop()
3513 	iso_state = ep->iso->chan.state;  in bt_bap_unicast_client_stop()
3516 		return -EALREADY;  in bt_bap_unicast_client_stop()
3519 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_STOP_OP);  in bt_bap_unicast_client_stop()
3522 		return -EBUSY;  in bt_bap_unicast_client_stop()
3526 	req->num_ases = 0x00;  in bt_bap_unicast_client_stop()
3529 	 * parameter value = 0x02 (Server is Audio Source)  in bt_bap_unicast_client_stop()
3531 	if (ep->dir == BT_AUDIO_DIR_SOURCE) {  in bt_bap_unicast_client_stop()
3536 		req->num_ases++;  in bt_bap_unicast_client_stop()
3538 		err = bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_stop()
3541 			if (err == -ENOTCONN || err == -ENOMEM) {  in bt_bap_unicast_client_stop()
3548 			return -ENOEXEC;  in bt_bap_unicast_client_stop()
3558 	struct bt_bap_ep *ep = stream->ep;  in bt_bap_unicast_client_release()
3565 	if (stream->conn == NULL) {  in bt_bap_unicast_client_release()
3568 		return -ENOTCONN;  in bt_bap_unicast_client_release()
3571 	buf = bt_bap_unicast_client_ep_create_pdu(stream->conn, BT_ASCS_RELEASE_OP);  in bt_bap_unicast_client_release()
3574 		return -EBUSY;  in bt_bap_unicast_client_release()
3578 	req->num_ases = 0x01;  in bt_bap_unicast_client_release()
3579 	len = buf->len;  in bt_bap_unicast_client_release()
3582 	if (stream->ep->status.state == BT_BAP_EP_STATE_IDLE) {  in bt_bap_unicast_client_release()
3592 	if (len == buf->len) {  in bt_bap_unicast_client_release()
3596 	err = bt_bap_unicast_client_ep_send(stream->conn, ep, buf);  in bt_bap_unicast_client_release()
3602 	client_ep->release_requested = true;  in bt_bap_unicast_client_release()
3621 	chrc = attr->user_data;  in unicast_client_cp_discover_func()
3622 	value_handle = chrc->value_handle;  in unicast_client_cp_discover_func()
3638 	client->disc_params.uuid = cp_uuid;  in unicast_client_ase_cp_discover()
3639 	client->disc_params.func = unicast_client_cp_discover_func;  in unicast_client_ase_cp_discover()
3640 	client->disc_params.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;  in unicast_client_ase_cp_discover()
3641 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_ase_cp_discover()
3642 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in unicast_client_ase_cp_discover()
3644 	return bt_gatt_discover(conn, &client->disc_params);  in unicast_client_ase_cp_discover()
3651 	uint16_t handle = read->single.handle;  in unicast_client_ase_read_func()
3667 	buf = &client->net_buf;  in unicast_client_ase_read_func()
3672 				length + client->net_buf.len);  in unicast_client_ase_read_func()
3687 	if (buf->len < sizeof(struct bt_ascs_ase_status)) {  in unicast_client_ase_read_func()
3688 		LOG_DBG("Read response too small (%u)", buf->len);  in unicast_client_ase_read_func()
3695 	ep = unicast_client_ep_get(conn, client->dir, handle);  in unicast_client_ase_read_func()
3702 		cb_err = -ENOMEM;  in unicast_client_ase_read_func()
3733 	/* We always allocate ases from 0 to X, so to verify if any sink or source ASEs have been  in any_ases_found()
3737 	if (client->dir == BT_AUDIO_DIR_SINK && client->snks[0].handle == BAP_HANDLE_UNUSED) {  in any_ases_found()
3743 	if (client->dir == BT_AUDIO_DIR_SOURCE && client->srcs[0].handle == BAP_HANDLE_UNUSED) {  in any_ases_found()
3744 		LOG_DBG("No source ASEs found");  in any_ases_found()
3778 	chrc = attr->user_data;  in unicast_client_ase_discover_cb()
3779 	value_handle = chrc->value_handle;  in unicast_client_ase_discover_cb()
3782 	LOG_DBG("conn %p attr %p handle 0x%04x dir %s", conn, attr, value_handle,  in unicast_client_ase_discover_cb()
3783 		bt_audio_dir_str(client->dir));  in unicast_client_ase_discover_cb()
3785 	client->read_params.func = unicast_client_ase_read_func;  in unicast_client_ase_discover_cb()
3786 	client->read_params.handle_count = 1U;  in unicast_client_ase_discover_cb()
3787 	client->read_params.single.handle = value_handle;  in unicast_client_ase_discover_cb()
3788 	client->read_params.single.offset = 0U;  in unicast_client_ase_discover_cb()
3790 	err = bt_gatt_read(conn, &client->read_params);  in unicast_client_ase_discover_cb()
3806 	if (client->dir == BT_AUDIO_DIR_SINK) {  in unicast_client_ase_discover()
3807 		client->disc_params.uuid = ase_snk_uuid;  in unicast_client_ase_discover()
3808 	} else if (client->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_ase_discover()
3809 		client->disc_params.uuid = ase_src_uuid;  in unicast_client_ase_discover()
3811 		return -EINVAL;  in unicast_client_ase_discover()
3814 	client->disc_params.func = unicast_client_ase_discover_cb;  in unicast_client_ase_discover()
3815 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in unicast_client_ase_discover()
3816 	client->disc_params.start_handle = start_handle;  in unicast_client_ase_discover()
3817 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_ase_discover()
3819 	return bt_gatt_discover(conn, &client->disc_params);  in unicast_client_ase_discover()
3850 	LOG_DBG("sink context %u, source context %u", context.snk, context.src);  in unicast_client_pacs_avail_ctx_read_func()
3876 		params->value_handle = BAP_HANDLE_UNUSED;  in unicast_client_pacs_avail_ctx_notify_cb()
3891 	LOG_DBG("sink context %u, source context %u", context.snk, context.src);  in unicast_client_pacs_avail_ctx_notify_cb()
3904 	client->read_params.func = unicast_client_pacs_avail_ctx_read_func;  in unicast_client_pacs_avail_ctx_read()
3905 	client->read_params.handle_count = 1U;  in unicast_client_pacs_avail_ctx_read()
3906 	client->read_params.single.handle = handle;  in unicast_client_pacs_avail_ctx_read()
3907 	client->read_params.single.offset = 0U;  in unicast_client_pacs_avail_ctx_read()
3909 	return bt_gatt_read(conn, &client->read_params);  in unicast_client_pacs_avail_ctx_read()
3932 	chrc = attr->user_data;  in unicast_client_pacs_avail_ctx_discover_cb()
3933 	chrc_properties = chrc->properties;  in unicast_client_pacs_avail_ctx_discover_cb()
3934 	value_handle = chrc->value_handle;  in unicast_client_pacs_avail_ctx_discover_cb()
3944 		if (sub_params->value_handle == 0) {  in unicast_client_pacs_avail_ctx_discover_cb()
3946 			sub_params->value_handle = value_handle;  in unicast_client_pacs_avail_ctx_discover_cb()
3947 			sub_params->ccc_handle = BT_GATT_AUTO_DISCOVER_CCC_HANDLE;  in unicast_client_pacs_avail_ctx_discover_cb()
3948 			sub_params->end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_avail_ctx_discover_cb()
3949 			sub_params->disc_params = &uni_cli_insts[index].avail_ctx_cc_disc;  in unicast_client_pacs_avail_ctx_discover_cb()
3950 			sub_params->notify = unicast_client_pacs_avail_ctx_notify_cb;  in unicast_client_pacs_avail_ctx_discover_cb()
3951 			sub_params->value = BT_GATT_CCC_NOTIFY;  in unicast_client_pacs_avail_ctx_discover_cb()
3952 			atomic_set_bit(sub_params->flags, BT_GATT_SUBSCRIBE_FLAG_VOLATILE);  in unicast_client_pacs_avail_ctx_discover_cb()
3955 			if (err != 0 && err != -EALREADY) {  in unicast_client_pacs_avail_ctx_discover_cb()
3960 		LOG_DBG("Invalid chrc->properties: %u", chrc_properties);  in unicast_client_pacs_avail_ctx_discover_cb()
3985 	client->disc_params.uuid = pacs_avail_ctx_uuid;  in unicast_client_pacs_avail_ctx_discover()
3986 	client->disc_params.func = unicast_client_pacs_avail_ctx_discover_cb;  in unicast_client_pacs_avail_ctx_discover()
3987 	client->disc_params.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_avail_ctx_discover()
3988 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_avail_ctx_discover()
3989 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in unicast_client_pacs_avail_ctx_discover()
3991 	return bt_gatt_discover(conn, &client->disc_params);  in unicast_client_pacs_avail_ctx_discover()
4010 		LOG_DBG("Unable to read PACS location for dir %s: %u, %p, %u",  in unicast_client_pacs_location_read_func()
4011 			bt_audio_dir_str(client->dir), err, data, length);  in unicast_client_pacs_location_read_func()
4025 	LOG_DBG("dir %s loc %X", bt_audio_dir_str(client->dir), location);  in unicast_client_pacs_location_read_func()
4027 	unicast_client_notify_location(conn, client->dir, (enum bt_audio_location)location);  in unicast_client_pacs_location_read_func()
4045 	enum bt_audio_dir dir;  in unicast_client_pacs_location_notify_cb()  local
4052 		params->value_handle = BAP_HANDLE_UNUSED;  in unicast_client_pacs_location_notify_cb()
4064 		dir = BT_AUDIO_DIR_SINK;  in unicast_client_pacs_location_notify_cb()
4066 		dir = BT_AUDIO_DIR_SOURCE;  in unicast_client_pacs_location_notify_cb()
4076 	LOG_DBG("dir %s loc %X", bt_audio_dir_str(dir), location);  in unicast_client_pacs_location_notify_cb()
4078 	unicast_client_notify_location(conn, dir, (enum bt_audio_location)location);  in unicast_client_pacs_location_notify_cb()
4089 	client->read_params.func = unicast_client_pacs_location_read_func;  in unicast_client_pacs_location_read()
4090 	client->read_params.handle_count = 1U;  in unicast_client_pacs_location_read()
4091 	client->read_params.single.handle = handle;  in unicast_client_pacs_location_read()
4092 	client->read_params.single.offset = 0U;  in unicast_client_pacs_location_read()
4094 	return bt_gatt_read(conn, &client->read_params);  in unicast_client_pacs_location_read()
4120 	chrc = attr->user_data;  in unicast_client_pacs_location_discover_cb()
4121 	value_handle = chrc->value_handle;  in unicast_client_pacs_location_discover_cb()
4126 	if (chrc->properties & BT_GATT_CHRC_NOTIFY) {  in unicast_client_pacs_location_discover_cb()
4130 		if (client->dir == BT_AUDIO_DIR_SINK) {  in unicast_client_pacs_location_discover_cb()
4136 		sub_params->value_handle = value_handle;  in unicast_client_pacs_location_discover_cb()
4137 		sub_params->ccc_handle = BT_GATT_AUTO_DISCOVER_CCC_HANDLE;  in unicast_client_pacs_location_discover_cb()
4138 		sub_params->end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_location_discover_cb()
4139 		sub_params->disc_params = &uni_cli_insts[index].loc_cc_disc;  in unicast_client_pacs_location_discover_cb()
4140 		sub_params->notify = unicast_client_pacs_location_notify_cb;  in unicast_client_pacs_location_discover_cb()
4141 		sub_params->value = BT_GATT_CCC_NOTIFY;  in unicast_client_pacs_location_discover_cb()
4142 		atomic_set_bit(sub_params->flags, BT_GATT_SUBSCRIBE_FLAG_VOLATILE);  in unicast_client_pacs_location_discover_cb()
4145 		if (err != 0 && err != -EALREADY) {  in unicast_client_pacs_location_discover_cb()
4164 	LOG_DBG("conn %p dir %s", conn, bt_audio_dir_str(client->dir));  in unicast_client_pacs_location_discover()
4166 	if (client->dir == BT_AUDIO_DIR_SINK) {  in unicast_client_pacs_location_discover()
4167 		client->disc_params.uuid = pacs_snk_loc_uuid;  in unicast_client_pacs_location_discover()
4168 	} else if (client->dir == BT_AUDIO_DIR_SOURCE) {  in unicast_client_pacs_location_discover()
4169 		client->disc_params.uuid = pacs_src_loc_uuid;  in unicast_client_pacs_location_discover()
4171 		return -EINVAL;  in unicast_client_pacs_location_discover()
4174 	client->disc_params.func = unicast_client_pacs_location_discover_cb;  in unicast_client_pacs_location_discover()
4175 	client->disc_params.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_location_discover()
4176 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_location_discover()
4177 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in unicast_client_pacs_location_discover()
4179 	return bt_gatt_discover(conn, &client->disc_params);  in unicast_client_pacs_location_discover()
4223 		LOG_ERR("Unable to find %s PAC context", bt_audio_dir_str(client->dir));  in unicast_client_pacs_context_discover_cb()
4230 	chrc = attr->user_data;  in unicast_client_pacs_context_discover_cb()
4231 	value_handle = chrc->value_handle;  in unicast_client_pacs_context_discover_cb()
4234 	LOG_DBG("conn %p attr %p handle 0x%04x dir %s", conn, attr, value_handle,  in unicast_client_pacs_context_discover_cb()
4235 		bt_audio_dir_str(client->dir));  in unicast_client_pacs_context_discover_cb()
4239 	client->read_params.func = unicast_client_pacs_context_read_func;  in unicast_client_pacs_context_discover_cb()
4240 	client->read_params.handle_count = 1U;  in unicast_client_pacs_context_discover_cb()
4241 	client->read_params.single.handle = value_handle;  in unicast_client_pacs_context_discover_cb()
4242 	client->read_params.single.offset = 0U;  in unicast_client_pacs_context_discover_cb()
4244 	err = bt_gatt_read(conn, &client->read_params);  in unicast_client_pacs_context_discover_cb()
4260 	client->disc_params.uuid = pacs_context_uuid;  in unicast_client_pacs_context_discover()
4261 	client->disc_params.func = unicast_client_pacs_context_discover_cb;  in unicast_client_pacs_context_discover()
4262 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in unicast_client_pacs_context_discover()
4263 	client->disc_params.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_context_discover()
4264 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in unicast_client_pacs_context_discover()
4266 	return bt_gatt_discover(conn, &client->disc_params);  in unicast_client_pacs_context_discover()
4273 	uint16_t handle = read->single.handle;  in unicast_client_read_func()
4289 	buf = &client->net_buf;  in unicast_client_read_func()
4294 				length + client->net_buf.len);  in unicast_client_read_func()
4309 	if (buf->len < sizeof(*rsp)) {  in unicast_client_read_func()
4310 		LOG_DBG("Read response too small (%u)", buf->len);  in unicast_client_read_func()
4320 	if (!rsp->num_pac) {  in unicast_client_read_func()
4324 	for (i = 0U; i < rsp->num_pac; i++) {  in unicast_client_read_func()
4330 		LOG_DBG("pac #%u/%u", i + 1, rsp->num_pac);  in unicast_client_read_func()
4332 		if (buf->len < sizeof(*pac_codec)) {  in unicast_client_read_func()
4334 				buf->len, sizeof(*pac_codec));  in unicast_client_read_func()
4340 		if (buf->len < sizeof(*cc)) {  in unicast_client_read_func()
4342 				buf->len, sizeof(*cc));  in unicast_client_read_func()
4347 		if (buf->len < cc->len) {  in unicast_client_read_func()
4349 				buf->len, cc->len);  in unicast_client_read_func()
4353 		cc_ltv = net_buf_simple_pull_mem(buf, cc->len);  in unicast_client_read_func()
4355 		if (buf->len < sizeof(*meta)) {  in unicast_client_read_func()
4357 				buf->len, sizeof(*meta));  in unicast_client_read_func()
4362 		if (buf->len < meta->len) {  in unicast_client_read_func()
4364 				buf->len, meta->len);  in unicast_client_read_func()
4368 		meta_ltv = net_buf_simple_pull_mem(buf, meta->len);  in unicast_client_read_func()
4370 		if (unicast_client_set_codec_cap(pac_codec->id, sys_le16_to_cpu(pac_codec->cid),  in unicast_client_read_func()
4371 						 sys_le16_to_cpu(pac_codec->vid), cc_ltv, cc->len,  in unicast_client_read_func()
4372 						 meta_ltv, meta->len, &codec_cap)) {  in unicast_client_read_func()
4385 	if (i != rsp->num_pac) {  in unicast_client_read_func()
4386 		LOG_DBG("Failed to process all PAC records (%u/%u)", i, rsp->num_pac);  in unicast_client_read_func()
4415 		LOG_DBG("Unable to find %s PAC", bt_audio_dir_str(client->dir));  in unicast_client_pac_discover_cb()
4422 	chrc = attr->user_data;  in unicast_client_pac_discover_cb()
4423 	value_handle = chrc->value_handle;  in unicast_client_pac_discover_cb()
4426 	LOG_DBG("conn %p attr %p handle 0x%04x dir %s", conn, attr, value_handle,  in unicast_client_pac_discover_cb()
4427 		bt_audio_dir_str(client->dir));  in unicast_client_pac_discover_cb()
4434 	client->read_params.func = unicast_client_read_func;  in unicast_client_pac_discover_cb()
4435 	client->read_params.handle_count = 1U;  in unicast_client_pac_discover_cb()
4436 	client->read_params.single.handle = value_handle;  in unicast_client_pac_discover_cb()
4437 	client->read_params.single.offset = 0U;  in unicast_client_pac_discover_cb()
4439 	err = bt_gatt_read(conn, &client->read_params);  in unicast_client_pac_discover_cb()
4460 int bt_bap_unicast_client_discover(struct bt_conn *conn, enum bt_audio_dir dir)  in bt_bap_unicast_client_discover()  argument
4467 	if (!conn || conn->state != BT_CONN_CONNECTED) {  in bt_bap_unicast_client_discover()
4468 		return -ENOTCONN;  in bt_bap_unicast_client_discover()
4471 	role = conn->role;  in bt_bap_unicast_client_discover()
4474 		return -EINVAL;  in bt_bap_unicast_client_discover()
4478 	if (atomic_test_and_set_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY)) {  in bt_bap_unicast_client_discover()
4480 		return -EBUSY;  in bt_bap_unicast_client_discover()
4483 	if (dir == BT_AUDIO_DIR_SINK) {  in bt_bap_unicast_client_discover()
4484 		client->disc_params.uuid = snk_uuid;  in bt_bap_unicast_client_discover()
4485 	} else if (dir == BT_AUDIO_DIR_SOURCE) {  in bt_bap_unicast_client_discover()
4486 		client->disc_params.uuid = src_uuid;  in bt_bap_unicast_client_discover()
4488 		return -EINVAL;  in bt_bap_unicast_client_discover()
4491 	client->disc_params.func = unicast_client_pac_discover_cb;  in bt_bap_unicast_client_discover()
4492 	client->disc_params.type = BT_GATT_DISCOVER_CHARACTERISTIC;  in bt_bap_unicast_client_discover()
4493 	client->disc_params.start_handle = BT_ATT_FIRST_ATTRIBUTE_HANDLE;  in bt_bap_unicast_client_discover()
4494 	client->disc_params.end_handle = BT_ATT_LAST_ATTRIBUTE_HANDLE;  in bt_bap_unicast_client_discover()
4501 	err = bt_gatt_discover(conn, &client->disc_params);  in bt_bap_unicast_client_discover()
4503 		atomic_clear_bit(client->flags, UNICAST_CLIENT_FLAG_BUSY);  in bt_bap_unicast_client_discover()
4507 	client->dir = dir;  in bt_bap_unicast_client_discover()
4516 		return -EINVAL;  in bt_bap_unicast_client_register_cb()
4519 	if (sys_slist_find(&unicast_client_cbs, &cb->_node, NULL)) {  in bt_bap_unicast_client_register_cb()
4520 		return -EEXIST;  in bt_bap_unicast_client_register_cb()
4523 	sys_slist_append(&unicast_client_cbs, &cb->_node);  in bt_bap_unicast_client_register_cb()