1 /******************************************************************************
2 *
3 * Copyright (c) 2014 The Android Open Source Project
4 * Copyright 2004-2012 Broadcom Corporation
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *
18 ******************************************************************************/
19 #include <string.h>
20
21 #include "bt_trace.h"
22 #include "bt_utils.h"
23 #include "bta_ag_api.h"
24 #include "bta_hf_client_int.h"
25 #include "device/include/esco_parameters.h"
26 #include "osi/include/osi.h"
27
28 #define BTA_HF_CLIENT_NO_EDR_ESCO \
29 (ESCO_PKT_TYPES_MASK_NO_2_EV3 | ESCO_PKT_TYPES_MASK_NO_3_EV3 | \
30 ESCO_PKT_TYPES_MASK_NO_2_EV5 | ESCO_PKT_TYPES_MASK_NO_3_EV5)
31
32 enum {
33 BTA_HF_CLIENT_SCO_LISTEN_E,
34 BTA_HF_CLIENT_SCO_OPEN_E, /* open request */
35 BTA_HF_CLIENT_SCO_CLOSE_E, /* close request */
36 BTA_HF_CLIENT_SCO_SHUTDOWN_E, /* shutdown request */
37 BTA_HF_CLIENT_SCO_CONN_OPEN_E, /* SCO opened */
38 BTA_HF_CLIENT_SCO_CONN_CLOSE_E, /* SCO closed */
39 };
40
41 /*******************************************************************************
42 *
43 * Function bta_hf_client_remove_sco
44 *
45 * Description Removes the specified SCO from the system.
46 *
47 * Returns bool - true if SCO removal was started
48 *
49 ******************************************************************************/
bta_hf_client_sco_remove(tBTA_HF_CLIENT_CB * client_cb)50 static bool bta_hf_client_sco_remove(tBTA_HF_CLIENT_CB* client_cb) {
51 bool removed_started = false;
52 tBTM_STATUS status;
53
54 APPL_TRACE_DEBUG("%s", __func__);
55
56 if (client_cb->sco_idx != BTM_INVALID_SCO_INDEX) {
57 status = BTM_RemoveSco(client_cb->sco_idx);
58
59 APPL_TRACE_DEBUG("%s: idx 0x%04x, status:0x%x", __func__,
60 client_cb->sco_idx, status);
61
62 if (status == BTM_CMD_STARTED) {
63 removed_started = true;
64 }
65 /* If no connection reset the SCO handle */
66 else if ((status == BTM_SUCCESS) || (status == BTM_UNKNOWN_ADDR)) {
67 client_cb->sco_idx = BTM_INVALID_SCO_INDEX;
68 }
69 }
70 return removed_started;
71 }
72
73 /*******************************************************************************
74 *
75 * Function bta_hf_client_cback_sco
76 *
77 * Description Call application callback function with SCO event.
78 *
79 *
80 * Returns void
81 *
82 ******************************************************************************/
bta_hf_client_cback_sco(tBTA_HF_CLIENT_CB * client_cb,uint8_t event)83 void bta_hf_client_cback_sco(tBTA_HF_CLIENT_CB* client_cb, uint8_t event) {
84 tBTA_HF_CLIENT evt;
85
86 memset(&evt, 0, sizeof(evt));
87 evt.bd_addr = client_cb->peer_addr;
88
89 /* call app cback */
90 bta_hf_client_app_callback(event, &evt);
91 }
92
93 /*******************************************************************************
94 *
95 * Function bta_hf_client_sco_conn_rsp
96 *
97 * Description Process the SCO connection request
98 *
99 *
100 * Returns void
101 *
102 ******************************************************************************/
bta_hf_client_sco_conn_rsp(tBTA_HF_CLIENT_CB * client_cb,tBTM_ESCO_CONN_REQ_EVT_DATA * p_data)103 static void bta_hf_client_sco_conn_rsp(tBTA_HF_CLIENT_CB* client_cb,
104 tBTM_ESCO_CONN_REQ_EVT_DATA* p_data) {
105 enh_esco_params_t resp;
106 uint8_t hci_status = HCI_SUCCESS;
107
108 APPL_TRACE_DEBUG("%s", __func__);
109
110 if (client_cb->sco_state == BTA_HF_CLIENT_SCO_LISTEN_ST) {
111 if (p_data->link_type == BTM_LINK_TYPE_SCO) {
112 resp = esco_parameters_for_codec(ESCO_CODEC_CVSD);
113 } else {
114 if (client_cb->negotiated_codec == BTA_AG_CODEC_MSBC) {
115 resp = esco_parameters_for_codec(ESCO_CODEC_MSBC_T1);
116 } else {
117 // default codec
118 resp = esco_parameters_for_codec(ESCO_CODEC_CVSD);
119 }
120 }
121
122 /* tell sys to stop av if any */
123 bta_sys_sco_use(BTA_ID_HS, 1, client_cb->peer_addr);
124 } else {
125 hci_status = HCI_ERR_HOST_REJECT_DEVICE;
126 }
127
128 BTM_EScoConnRsp(p_data->sco_inx, hci_status, &resp);
129 }
130
131 /*******************************************************************************
132 *
133 * Function bta_hf_client_sco_connreq_cback
134 *
135 * Description BTM eSCO connection requests and eSCO change requests
136 * Only the connection requests are processed by BTA.
137 *
138 * Returns void
139 *
140 ******************************************************************************/
bta_hf_client_esco_connreq_cback(tBTM_ESCO_EVT event,tBTM_ESCO_EVT_DATA * p_data)141 static void bta_hf_client_esco_connreq_cback(tBTM_ESCO_EVT event,
142 tBTM_ESCO_EVT_DATA* p_data) {
143 APPL_TRACE_DEBUG("%s: %d", __func__, event);
144
145 tBTA_HF_CLIENT_CB* client_cb =
146 bta_hf_client_find_cb_by_sco_handle(p_data->conn_evt.sco_inx);
147 if (client_cb == NULL) {
148 APPL_TRACE_ERROR("%s: wrong SCO handle to control block %d", __func__,
149 p_data->conn_evt.sco_inx);
150 return;
151 }
152
153 if (event != BTM_ESCO_CONN_REQ_EVT) {
154 return;
155 }
156
157 bta_hf_client_sco_conn_rsp(client_cb, &p_data->conn_evt);
158
159 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPENING_ST;
160 }
161
162 /*******************************************************************************
163 *
164 * Function bta_hf_client_sco_conn_cback
165 *
166 * Description BTM SCO connection callback.
167 *
168 *
169 * Returns void
170 *
171 ******************************************************************************/
bta_hf_client_sco_conn_cback(uint16_t sco_idx)172 static void bta_hf_client_sco_conn_cback(uint16_t sco_idx) {
173 APPL_TRACE_DEBUG("%s: %d", __func__, sco_idx);
174
175 tBTA_HF_CLIENT_CB* client_cb = bta_hf_client_find_cb_by_sco_handle(sco_idx);
176 if (client_cb == NULL) {
177 APPL_TRACE_ERROR("%s: wrong SCO handle to control block %d", __func__,
178 sco_idx);
179 return;
180 }
181
182 BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
183 p_buf->event = BTA_HF_CLIENT_SCO_OPEN_EVT;
184 p_buf->layer_specific = client_cb->handle;
185 bta_sys_sendmsg(p_buf);
186 }
187
188 /*******************************************************************************
189 *
190 * Function bta_hf_client_sco_disc_cback
191 *
192 * Description BTM SCO disconnection callback.
193 *
194 *
195 * Returns void
196 *
197 ******************************************************************************/
bta_hf_client_sco_disc_cback(uint16_t sco_idx)198 static void bta_hf_client_sco_disc_cback(uint16_t sco_idx) {
199 APPL_TRACE_DEBUG("%s: sco_idx %d", __func__, sco_idx);
200
201 tBTA_HF_CLIENT_CB* client_cb = bta_hf_client_find_cb_by_sco_handle(sco_idx);
202 if (client_cb == NULL) {
203 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__, sco_idx);
204 return;
205 }
206
207 BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
208 p_buf->event = BTA_HF_CLIENT_SCO_CLOSE_EVT;
209 p_buf->layer_specific = client_cb->handle;
210 bta_sys_sendmsg(p_buf);
211 }
212
213 /*******************************************************************************
214 *
215 * Function bta_hf_client_create_sco
216 *
217 * Description
218 *
219 *
220 * Returns void
221 *
222 ******************************************************************************/
bta_hf_client_sco_create(tBTA_HF_CLIENT_CB * client_cb,bool is_orig)223 static void bta_hf_client_sco_create(tBTA_HF_CLIENT_CB* client_cb,
224 bool is_orig) {
225 tBTM_STATUS status;
226
227 APPL_TRACE_DEBUG("%s: %d", __func__, is_orig);
228
229 /* Make sure this SCO handle is not already in use */
230 if (client_cb->sco_idx != BTM_INVALID_SCO_INDEX) {
231 APPL_TRACE_WARNING("%s: Index 0x%04x already in use", __func__,
232 client_cb->sco_idx);
233 return;
234 }
235
236 enh_esco_params_t params = esco_parameters_for_codec(ESCO_CODEC_CVSD);
237
238 /* if initiating set current scb and peer bd addr */
239 if (is_orig) {
240 BTM_SetEScoMode(¶ms);
241 /* tell sys to stop av if any */
242 bta_sys_sco_use(BTA_ID_HS, 1, client_cb->peer_addr);
243 }
244
245 status = BTM_CreateSco(&client_cb->peer_addr, is_orig, params.packet_types,
246 &client_cb->sco_idx, bta_hf_client_sco_conn_cback,
247 bta_hf_client_sco_disc_cback);
248 if (status == BTM_CMD_STARTED && !is_orig) {
249 if (!BTM_RegForEScoEvts(client_cb->sco_idx,
250 bta_hf_client_esco_connreq_cback))
251 APPL_TRACE_DEBUG("%s: SCO registration success", __func__);
252 }
253
254 APPL_TRACE_API("%s: orig %d, inx 0x%04x, status 0x%x, pkt types 0x%04x",
255 __func__, is_orig, client_cb->sco_idx, status,
256 params.packet_types);
257 }
258
259 /*******************************************************************************
260 *
261 * Function bta_hf_client_sco_event
262 *
263 * Description Handle SCO events
264 *
265 *
266 * Returns void
267 *
268 ******************************************************************************/
bta_hf_client_sco_event(tBTA_HF_CLIENT_CB * client_cb,uint8_t event)269 static void bta_hf_client_sco_event(tBTA_HF_CLIENT_CB* client_cb,
270 uint8_t event) {
271 APPL_TRACE_DEBUG("%s: before state: %d event: %d", __func__,
272 client_cb->sco_state, event);
273
274 switch (client_cb->sco_state) {
275 case BTA_HF_CLIENT_SCO_SHUTDOWN_ST:
276 switch (event) {
277 // For WBS we only listen to SCO requests. Even for outgoing SCO
278 // requests we first do a AT+BCC and wait for remote to initiate SCO
279 case BTA_HF_CLIENT_SCO_LISTEN_E:
280 /* create SCO listen connection */
281 bta_hf_client_sco_create(client_cb, false);
282 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
283 break;
284
285 // For non WBS cases and enabling outgoing SCO requests we need to force
286 // open a SCO channel
287 case BTA_HF_CLIENT_SCO_OPEN_E:
288 /* remove listening connection */
289 bta_hf_client_sco_remove(client_cb);
290
291 /* create SCO connection to peer */
292 bta_hf_client_sco_create(client_cb, true);
293 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPENING_ST;
294 break;
295
296 default:
297 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_SHUTDOWN_ST: Ignoring event %d",
298 event);
299 break;
300 }
301 break;
302
303 case BTA_HF_CLIENT_SCO_LISTEN_ST:
304 switch (event) {
305 case BTA_HF_CLIENT_SCO_LISTEN_E:
306 /* create SCO listen connection */
307 bta_hf_client_sco_create(client_cb, false);
308
309 case BTA_HF_CLIENT_SCO_OPEN_E:
310 /* remove listening connection */
311 bta_hf_client_sco_remove(client_cb);
312
313 /* create SCO connection to peer */
314 bta_hf_client_sco_create(client_cb, true);
315 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPENING_ST;
316 break;
317
318 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
319 case BTA_HF_CLIENT_SCO_CLOSE_E:
320 /* remove listening connection */
321 bta_hf_client_sco_remove(client_cb);
322
323 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTDOWN_ST;
324 break;
325
326 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
327 /* SCO failed; create SCO listen connection */
328 bta_hf_client_sco_create(client_cb, false);
329 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
330 break;
331
332 default:
333 APPL_TRACE_WARNING(
334 "%s: BTA_HF_CLIENT_SCO_LISTEN_ST: Ignoring event %d", __func__,
335 event);
336 break;
337 }
338 break;
339
340 case BTA_HF_CLIENT_SCO_OPENING_ST:
341 switch (event) {
342 case BTA_HF_CLIENT_SCO_CLOSE_E:
343 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPEN_CL_ST;
344 break;
345
346 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
347 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTTING_ST;
348 break;
349
350 case BTA_HF_CLIENT_SCO_CONN_OPEN_E:
351 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPEN_ST;
352 break;
353
354 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
355 /* SCO failed; create SCO listen connection */
356 bta_hf_client_sco_create(client_cb, false);
357 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
358 break;
359
360 default:
361 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_OPENING_ST: Ignoring event %d",
362 event);
363 break;
364 }
365 break;
366
367 case BTA_HF_CLIENT_SCO_OPEN_CL_ST:
368 switch (event) {
369 case BTA_HF_CLIENT_SCO_OPEN_E:
370 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPENING_ST;
371 break;
372
373 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
374 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTTING_ST;
375 break;
376
377 case BTA_HF_CLIENT_SCO_CONN_OPEN_E:
378 /* close SCO connection */
379 bta_hf_client_sco_remove(client_cb);
380
381 client_cb->sco_state = BTA_HF_CLIENT_SCO_CLOSING_ST;
382 break;
383
384 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
385 /* SCO failed; create SCO listen connection */
386
387 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
388 break;
389
390 default:
391 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_OPEN_CL_ST: Ignoring event %d",
392 event);
393 break;
394 }
395 break;
396
397 case BTA_HF_CLIENT_SCO_OPEN_ST:
398 switch (event) {
399 case BTA_HF_CLIENT_SCO_CLOSE_E:
400 if (bta_hf_client_sco_remove(client_cb)) {
401 client_cb->sco_state = BTA_HF_CLIENT_SCO_CLOSING_ST;
402 }
403 break;
404
405 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
406 /* remove listening connection */
407 bta_hf_client_sco_remove(client_cb);
408
409 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTTING_ST;
410 break;
411
412 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
413 /* peer closed SCO */
414 bta_hf_client_sco_create(client_cb, false);
415 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
416 break;
417
418 default:
419 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_OPEN_ST: Ignoring event %d",
420 event);
421 break;
422 }
423 break;
424
425 case BTA_HF_CLIENT_SCO_CLOSING_ST:
426 switch (event) {
427 case BTA_HF_CLIENT_SCO_OPEN_E:
428 client_cb->sco_state = BTA_HF_CLIENT_SCO_CLOSE_OP_ST;
429 break;
430
431 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
432 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTTING_ST;
433 break;
434
435 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
436 /* peer closed sco; create SCO listen connection */
437 bta_hf_client_sco_create(client_cb, false);
438 client_cb->sco_state = BTA_HF_CLIENT_SCO_LISTEN_ST;
439 break;
440
441 default:
442 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_CLOSING_ST: Ignoring event %d",
443 event);
444 break;
445 }
446 break;
447
448 case BTA_HF_CLIENT_SCO_CLOSE_OP_ST:
449 switch (event) {
450 case BTA_HF_CLIENT_SCO_CLOSE_E:
451 client_cb->sco_state = BTA_HF_CLIENT_SCO_CLOSING_ST;
452 break;
453
454 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
455 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTTING_ST;
456 break;
457
458 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
459 /* open SCO connection */
460 bta_hf_client_sco_create(client_cb, true);
461 client_cb->sco_state = BTA_HF_CLIENT_SCO_OPENING_ST;
462 break;
463
464 default:
465 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_CLOSE_OP_ST: Ignoring event %d",
466 event);
467 break;
468 }
469 break;
470
471 case BTA_HF_CLIENT_SCO_SHUTTING_ST:
472 switch (event) {
473 case BTA_HF_CLIENT_SCO_CONN_OPEN_E:
474 /* close SCO connection; wait for conn close event */
475 bta_hf_client_sco_remove(client_cb);
476 break;
477
478 case BTA_HF_CLIENT_SCO_CONN_CLOSE_E:
479 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTDOWN_ST;
480 break;
481
482 case BTA_HF_CLIENT_SCO_SHUTDOWN_E:
483 client_cb->sco_state = BTA_HF_CLIENT_SCO_SHUTDOWN_ST;
484 break;
485
486 default:
487 APPL_TRACE_WARNING("BTA_HF_CLIENT_SCO_SHUTTING_ST: Ignoring event %d",
488 event);
489 break;
490 }
491 break;
492
493 default:
494 break;
495 }
496
497 APPL_TRACE_DEBUG("%s: after state: %d", __func__, client_cb->sco_state);
498 }
499
500 /*******************************************************************************
501 *
502 * Function bta_hf_client_sco_listen
503 *
504 * Description Initialize SCO listener
505 *
506 *
507 * Returns void
508 *
509 ******************************************************************************/
bta_hf_client_sco_listen(tBTA_HF_CLIENT_DATA * p_data)510 void bta_hf_client_sco_listen(tBTA_HF_CLIENT_DATA* p_data) {
511 APPL_TRACE_DEBUG("%s", __func__);
512
513 tBTA_HF_CLIENT_CB* client_cb =
514 bta_hf_client_find_cb_by_handle(p_data->hdr.layer_specific);
515 if (client_cb == NULL) {
516 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__,
517 p_data->hdr.layer_specific);
518 return;
519 }
520
521 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_LISTEN_E);
522 }
523
524 /*******************************************************************************
525 *
526 * Function bta_hf_client_sco_shutdown
527 *
528 * Description
529 *
530 *
531 * Returns void
532 *
533 ******************************************************************************/
bta_hf_client_sco_shutdown(tBTA_HF_CLIENT_CB * client_cb)534 void bta_hf_client_sco_shutdown(tBTA_HF_CLIENT_CB* client_cb) {
535 APPL_TRACE_DEBUG("%s", __func__);
536
537 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_SHUTDOWN_E);
538 }
539
540 /*******************************************************************************
541 *
542 * Function bta_hf_client_sco_conn_open
543 *
544 * Description
545 *
546 *
547 * Returns void
548 *
549 ******************************************************************************/
bta_hf_client_sco_conn_open(tBTA_HF_CLIENT_DATA * p_data)550 void bta_hf_client_sco_conn_open(tBTA_HF_CLIENT_DATA* p_data) {
551 APPL_TRACE_DEBUG("%s", __func__);
552
553 tBTA_HF_CLIENT_CB* client_cb =
554 bta_hf_client_find_cb_by_handle(p_data->hdr.layer_specific);
555 if (client_cb == NULL) {
556 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__,
557 p_data->hdr.layer_specific);
558 return;
559 }
560
561 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_CONN_OPEN_E);
562
563 bta_sys_sco_open(BTA_ID_HS, 1, client_cb->peer_addr);
564
565 if (client_cb->negotiated_codec == BTM_SCO_CODEC_MSBC) {
566 bta_hf_client_cback_sco(client_cb, BTA_HF_CLIENT_AUDIO_MSBC_OPEN_EVT);
567 } else {
568 bta_hf_client_cback_sco(client_cb, BTA_HF_CLIENT_AUDIO_OPEN_EVT);
569 }
570 }
571
572 /*******************************************************************************
573 *
574 * Function bta_hf_client_sco_conn_close
575 *
576 * Description
577 *
578 *
579 * Returns void
580 *
581 ******************************************************************************/
bta_hf_client_sco_conn_close(tBTA_HF_CLIENT_DATA * p_data)582 void bta_hf_client_sco_conn_close(tBTA_HF_CLIENT_DATA* p_data) {
583 APPL_TRACE_DEBUG("%s", __func__);
584
585 tBTA_HF_CLIENT_CB* client_cb =
586 bta_hf_client_find_cb_by_handle(p_data->hdr.layer_specific);
587 if (client_cb == NULL) {
588 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__,
589 p_data->hdr.layer_specific);
590 return;
591 }
592
593 /* clear current scb */
594 client_cb->sco_idx = BTM_INVALID_SCO_INDEX;
595
596 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_CONN_CLOSE_E);
597
598 bta_sys_sco_close(BTA_ID_HS, 1, client_cb->peer_addr);
599
600 bta_sys_sco_unuse(BTA_ID_HS, 1, client_cb->peer_addr);
601
602 /* call app callback */
603 bta_hf_client_cback_sco(client_cb, BTA_HF_CLIENT_AUDIO_CLOSE_EVT);
604
605 if (client_cb->sco_close_rfc) {
606 client_cb->sco_close_rfc = false;
607 bta_hf_client_rfc_do_close(p_data);
608 }
609 }
610
611 /*******************************************************************************
612 *
613 * Function bta_hf_client_sco_open
614 *
615 * Description
616 *
617 *
618 * Returns void
619 *
620 ******************************************************************************/
bta_hf_client_sco_open(tBTA_HF_CLIENT_DATA * p_data)621 void bta_hf_client_sco_open(tBTA_HF_CLIENT_DATA* p_data) {
622 APPL_TRACE_DEBUG("%s", __func__);
623
624 tBTA_HF_CLIENT_CB* client_cb =
625 bta_hf_client_find_cb_by_handle(p_data->hdr.layer_specific);
626 if (client_cb == NULL) {
627 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__,
628 p_data->hdr.layer_specific);
629 return;
630 }
631
632 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_OPEN_E);
633 }
634
635 /*******************************************************************************
636 *
637 * Function bta_hf_client_sco_close
638 *
639 * Description
640 *
641 *
642 * Returns void
643 *
644 ******************************************************************************/
bta_hf_client_sco_close(tBTA_HF_CLIENT_DATA * p_data)645 void bta_hf_client_sco_close(tBTA_HF_CLIENT_DATA* p_data) {
646 tBTA_HF_CLIENT_CB* client_cb =
647 bta_hf_client_find_cb_by_handle(p_data->hdr.layer_specific);
648 if (client_cb == NULL) {
649 APPL_TRACE_ERROR("%s: wrong handle to control block %d", __func__,
650 p_data->hdr.layer_specific);
651 return;
652 }
653
654 APPL_TRACE_DEBUG("%s: sco_idx 0x%x", __func__, client_cb->sco_idx);
655
656 if (client_cb->sco_idx != BTM_INVALID_SCO_INDEX) {
657 bta_hf_client_sco_event(client_cb, BTA_HF_CLIENT_SCO_CLOSE_E);
658 }
659 }
660