1 /******************************************************************************
2 *
3 * Copyright 2009-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 #include <base/logging.h>
20 #include <ctype.h>
21 #include <errno.h>
22 #include <fcntl.h>
23 #include <linux/uhid.h>
24 #include <pthread.h>
25 #include <stdint.h>
26 #include <stdio.h>
27 #include <string.h>
28 #include <sys/poll.h>
29 #include <unistd.h>
30
31 #include "bta_api.h"
32 #include "bta_hh_api.h"
33 #include "bta_hh_co.h"
34 #include "btif_hh.h"
35 #include "btif_util.h"
36 #include "osi/include/osi.h"
37
38 const char* dev_path = "/dev/uhid";
39
40 #if (BTA_HH_LE_INCLUDED == TRUE)
41 #include "btif_config.h"
42 #define BTA_HH_NV_LOAD_MAX 16
43 static tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX];
44 #endif
45
uhid_set_non_blocking(int fd)46 void uhid_set_non_blocking(int fd) {
47 int opts = fcntl(fd, F_GETFL);
48 if (opts < 0)
49 APPL_TRACE_ERROR("%s() Getting flags failed (%s)", __func__,
50 strerror(errno));
51
52 opts |= O_NONBLOCK;
53
54 if (fcntl(fd, F_SETFL, opts) < 0)
55 APPL_TRACE_EVENT("%s() Setting non-blocking flag failed (%s)", __func__,
56 strerror(errno));
57 }
58
59 /*Internal function to perform UHID write and error checking*/
uhid_write(int fd,const struct uhid_event * ev)60 static int uhid_write(int fd, const struct uhid_event* ev) {
61 ssize_t ret;
62 OSI_NO_INTR(ret = write(fd, ev, sizeof(*ev)));
63
64 if (ret < 0) {
65 int rtn = -errno;
66 APPL_TRACE_ERROR("%s: Cannot write to uhid:%s", __func__, strerror(errno));
67 return rtn;
68 } else if (ret != (ssize_t)sizeof(*ev)) {
69 APPL_TRACE_ERROR("%s: Wrong size written to uhid: %zd != %zu", __func__,
70 ret, sizeof(*ev));
71 return -EFAULT;
72 }
73
74 return 0;
75 }
76
77 /* Internal function to parse the events received from UHID driver*/
uhid_read_event(btif_hh_device_t * p_dev)78 static int uhid_read_event(btif_hh_device_t* p_dev) {
79 CHECK(p_dev);
80
81 struct uhid_event ev;
82 memset(&ev, 0, sizeof(ev));
83
84 ssize_t ret;
85 OSI_NO_INTR(ret = read(p_dev->fd, &ev, sizeof(ev)));
86
87 if (ret == 0) {
88 APPL_TRACE_ERROR("%s: Read HUP on uhid-cdev %s", __func__, strerror(errno));
89 return -EFAULT;
90 } else if (ret < 0) {
91 APPL_TRACE_ERROR("%s: Cannot read uhid-cdev: %s", __func__,
92 strerror(errno));
93 return -errno;
94 }
95
96 switch (ev.type) {
97 case UHID_START:
98 APPL_TRACE_DEBUG("UHID_START from uhid-dev\n");
99 p_dev->ready_for_data = true;
100 break;
101 case UHID_STOP:
102 APPL_TRACE_DEBUG("UHID_STOP from uhid-dev\n");
103 p_dev->ready_for_data = false;
104 break;
105 case UHID_OPEN:
106 APPL_TRACE_DEBUG("UHID_OPEN from uhid-dev\n");
107 p_dev->ready_for_data = true;
108 break;
109 case UHID_CLOSE:
110 APPL_TRACE_DEBUG("UHID_CLOSE from uhid-dev\n");
111 p_dev->ready_for_data = false;
112 break;
113 case UHID_OUTPUT:
114 if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output))) {
115 APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu",
116 __func__, ret, sizeof(ev.type) + sizeof(ev.u.output));
117 return -EFAULT;
118 }
119
120 APPL_TRACE_DEBUG("UHID_OUTPUT: Report type = %d, report_size = %d",
121 ev.u.output.rtype, ev.u.output.size);
122 // Send SET_REPORT with feature report if the report type in output event
123 // is FEATURE
124 if (ev.u.output.rtype == UHID_FEATURE_REPORT)
125 btif_hh_setreport(p_dev, BTHH_FEATURE_REPORT, ev.u.output.size,
126 ev.u.output.data);
127 else if (ev.u.output.rtype == UHID_OUTPUT_REPORT)
128 btif_hh_setreport(p_dev, BTHH_OUTPUT_REPORT, ev.u.output.size,
129 ev.u.output.data);
130 else
131 btif_hh_setreport(p_dev, BTHH_INPUT_REPORT, ev.u.output.size,
132 ev.u.output.data);
133 break;
134 case UHID_OUTPUT_EV:
135 if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output_ev))) {
136 APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu",
137 __func__, ret,
138 sizeof(ev.type) + sizeof(ev.u.output_ev));
139 return -EFAULT;
140 }
141 APPL_TRACE_DEBUG("UHID_OUTPUT_EV from uhid-dev\n");
142 break;
143 case UHID_FEATURE:
144 APPL_TRACE_DEBUG("UHID_FEATURE from uhid-dev\n");
145 break;
146 case UHID_FEATURE_ANSWER:
147 APPL_TRACE_DEBUG("UHID_FEATURE_ANSWER from uhid-dev\n");
148 break;
149
150 default:
151 APPL_TRACE_DEBUG("Invalid event from uhid-dev: %u\n", ev.type);
152 }
153
154 return 0;
155 }
156
157 /*******************************************************************************
158 *
159 * Function create_thread
160 *
161 * Description creat a select loop
162 *
163 * Returns pthread_t
164 *
165 ******************************************************************************/
create_thread(void * (* start_routine)(void *),void * arg)166 static inline pthread_t create_thread(void* (*start_routine)(void*),
167 void* arg) {
168 APPL_TRACE_DEBUG("create_thread: entered");
169 pthread_attr_t thread_attr;
170
171 pthread_attr_init(&thread_attr);
172 pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
173 pthread_t thread_id = -1;
174 if (pthread_create(&thread_id, &thread_attr, start_routine, arg) != 0) {
175 APPL_TRACE_ERROR("pthread_create : %s", strerror(errno));
176 return -1;
177 }
178 APPL_TRACE_DEBUG("create_thread: thread created successfully");
179 return thread_id;
180 }
181
182 /*******************************************************************************
183 *
184 * Function btif_hh_poll_event_thread
185 *
186 * Description the polling thread which polls for event from UHID driver
187 *
188 * Returns void
189 *
190 ******************************************************************************/
btif_hh_poll_event_thread(void * arg)191 static void* btif_hh_poll_event_thread(void* arg) {
192 btif_hh_device_t* p_dev = (btif_hh_device_t*)arg;
193 APPL_TRACE_DEBUG("%s: Thread created fd = %d", __func__, p_dev->fd);
194 struct pollfd pfds[1];
195
196 pfds[0].fd = p_dev->fd;
197 pfds[0].events = POLLIN;
198
199 // Set the uhid fd as non-blocking to ensure we never block the BTU thread
200 uhid_set_non_blocking(p_dev->fd);
201
202 while (p_dev->hh_keep_polling) {
203 int ret;
204 OSI_NO_INTR(ret = poll(pfds, 1, 50));
205 if (ret < 0) {
206 APPL_TRACE_ERROR("%s: Cannot poll for fds: %s\n", __func__,
207 strerror(errno));
208 break;
209 }
210 if (pfds[0].revents & POLLIN) {
211 APPL_TRACE_DEBUG("%s: POLLIN", __func__);
212 ret = uhid_read_event(p_dev);
213 if (ret != 0) break;
214 }
215 }
216
217 p_dev->hh_poll_thread_id = -1;
218 return 0;
219 }
220
btif_hh_close_poll_thread(btif_hh_device_t * p_dev)221 static inline void btif_hh_close_poll_thread(btif_hh_device_t* p_dev) {
222 APPL_TRACE_DEBUG("%s", __func__);
223 p_dev->hh_keep_polling = 0;
224 if (p_dev->hh_poll_thread_id > 0)
225 pthread_join(p_dev->hh_poll_thread_id, NULL);
226
227 return;
228 }
229
bta_hh_co_destroy(int fd)230 void bta_hh_co_destroy(int fd) {
231 struct uhid_event ev;
232 memset(&ev, 0, sizeof(ev));
233 ev.type = UHID_DESTROY;
234 uhid_write(fd, &ev);
235 APPL_TRACE_DEBUG("%s: Closing fd=%d", __func__, fd);
236 close(fd);
237 }
238
bta_hh_co_write(int fd,uint8_t * rpt,uint16_t len)239 int bta_hh_co_write(int fd, uint8_t* rpt, uint16_t len) {
240 APPL_TRACE_VERBOSE("%s: UHID write %d", __func__, len);
241
242 struct uhid_event ev;
243 memset(&ev, 0, sizeof(ev));
244 ev.type = UHID_INPUT;
245 ev.u.input.size = len;
246 if (len > sizeof(ev.u.input.data)) {
247 APPL_TRACE_WARNING("%s: Report size greater than allowed size", __func__);
248 return -1;
249 }
250 memcpy(ev.u.input.data, rpt, len);
251
252 return uhid_write(fd, &ev);
253 }
254
255 /*******************************************************************************
256 *
257 * Function bta_hh_co_open
258 *
259 * Description When connection is opened, this call-out function is executed
260 * by HH to do platform specific initialization.
261 *
262 * Returns void.
263 ******************************************************************************/
bta_hh_co_open(uint8_t dev_handle,uint8_t sub_class,tBTA_HH_ATTR_MASK attr_mask,uint8_t app_id)264 void bta_hh_co_open(uint8_t dev_handle, uint8_t sub_class,
265 tBTA_HH_ATTR_MASK attr_mask, uint8_t app_id) {
266 uint32_t i;
267 btif_hh_device_t* p_dev = NULL;
268
269 if (dev_handle == BTA_HH_INVALID_HANDLE) {
270 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__,
271 dev_handle);
272 return;
273 }
274
275 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
276 p_dev = &btif_hh_cb.devices[i];
277 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN &&
278 p_dev->dev_handle == dev_handle) {
279 // We found a device with the same handle. Must be a device reconnected.
280 APPL_TRACE_WARNING(
281 "%s: Found an existing device with the same handle "
282 "dev_status = %d",
283 __func__, p_dev->dev_status);
284 APPL_TRACE_WARNING("%s: bd_addr = [%02X:%02X:%02X:%02X:%02X:]",
285 __func__, p_dev->bd_addr.address[0],
286 p_dev->bd_addr.address[1], p_dev->bd_addr.address[2],
287 p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]);
288 APPL_TRACE_WARNING(
289 "%s: attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d",
290 __func__, p_dev->attr_mask, p_dev->sub_class, p_dev->app_id);
291
292 if (p_dev->fd < 0) {
293 p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC);
294 if (p_dev->fd < 0) {
295 APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", __func__,
296 strerror(errno));
297 return;
298 } else
299 APPL_TRACE_DEBUG("%s: uhid fd = %d", __func__, p_dev->fd);
300 }
301
302 p_dev->hh_keep_polling = 1;
303 p_dev->hh_poll_thread_id =
304 create_thread(btif_hh_poll_event_thread, p_dev);
305 break;
306 }
307 p_dev = NULL;
308 }
309
310 if (p_dev == NULL) {
311 // Did not find a device reconnection case. Find an empty slot now.
312 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
313 if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) {
314 p_dev = &btif_hh_cb.devices[i];
315 p_dev->dev_handle = dev_handle;
316 p_dev->attr_mask = attr_mask;
317 p_dev->sub_class = sub_class;
318 p_dev->app_id = app_id;
319 p_dev->local_vup = false;
320
321 btif_hh_cb.device_num++;
322 // This is a new device,open the uhid driver now.
323 p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC);
324 if (p_dev->fd < 0) {
325 APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", __func__,
326 strerror(errno));
327 return;
328 } else {
329 APPL_TRACE_DEBUG("%s: uhid fd = %d", __func__, p_dev->fd);
330 p_dev->hh_keep_polling = 1;
331 p_dev->hh_poll_thread_id =
332 create_thread(btif_hh_poll_event_thread, p_dev);
333 }
334
335 break;
336 }
337 }
338 }
339
340 if (p_dev == NULL) {
341 APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __func__);
342 return;
343 }
344
345 p_dev->dev_status = BTHH_CONN_STATE_CONNECTED;
346 APPL_TRACE_DEBUG("%s: Return device status %d", __func__, p_dev->dev_status);
347 }
348
349 /*******************************************************************************
350 *
351 * Function bta_hh_co_close
352 *
353 * Description When connection is closed, this call-out function is executed
354 * by HH to do platform specific finalization.
355 *
356 * Parameters dev_handle - device handle
357 * app_id - application id
358 *
359 * Returns void.
360 ******************************************************************************/
bta_hh_co_close(uint8_t dev_handle,uint8_t app_id)361 void bta_hh_co_close(uint8_t dev_handle, uint8_t app_id) {
362 uint32_t i;
363 btif_hh_device_t* p_dev = NULL;
364
365 APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __func__, dev_handle,
366 app_id);
367 if (dev_handle == BTA_HH_INVALID_HANDLE) {
368 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__,
369 dev_handle);
370 return;
371 }
372
373 for (i = 0; i < BTIF_HH_MAX_HID; i++) {
374 p_dev = &btif_hh_cb.devices[i];
375 if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN &&
376 p_dev->dev_handle == dev_handle) {
377 APPL_TRACE_WARNING(
378 "%s: Found an existing device with the same handle "
379 "dev_status = %d, dev_handle =%d",
380 __func__, p_dev->dev_status, p_dev->dev_handle);
381 btif_hh_close_poll_thread(p_dev);
382 break;
383 }
384 }
385 }
386
387 /*******************************************************************************
388 *
389 * Function bta_hh_co_data
390 *
391 * Description This function is executed by BTA when HID host receive a
392 * data report.
393 *
394 * Parameters dev_handle - device handle
395 * *p_rpt - pointer to the report data
396 * len - length of report data
397 * mode - Hid host Protocol Mode
398 * sub_clas - Device Subclass
399 * app_id - application id
400 *
401 * Returns void
402 ******************************************************************************/
bta_hh_co_data(uint8_t dev_handle,uint8_t * p_rpt,uint16_t len,tBTA_HH_PROTO_MODE mode,uint8_t sub_class,uint8_t ctry_code,UNUSED_ATTR const RawAddress & peer_addr,uint8_t app_id)403 void bta_hh_co_data(uint8_t dev_handle, uint8_t* p_rpt, uint16_t len,
404 tBTA_HH_PROTO_MODE mode, uint8_t sub_class,
405 uint8_t ctry_code, UNUSED_ATTR const RawAddress& peer_addr,
406 uint8_t app_id) {
407 btif_hh_device_t* p_dev;
408
409 APPL_TRACE_DEBUG(
410 "%s: dev_handle = %d, subclass = 0x%02X, mode = %d, "
411 "ctry_code = %d, app_id = %d",
412 __func__, dev_handle, sub_class, mode, ctry_code, app_id);
413
414 p_dev = btif_hh_find_connected_dev_by_handle(dev_handle);
415 if (p_dev == NULL) {
416 APPL_TRACE_WARNING("%s: Error: unknown HID device handle %d", __func__,
417 dev_handle);
418 return;
419 }
420
421 // Wait a maximum of MAX_POLLING_ATTEMPTS x POLLING_SLEEP_DURATION in case
422 // device creation is pending.
423 if (p_dev->fd >= 0) {
424 uint32_t polling_attempts = 0;
425 while (!p_dev->ready_for_data &&
426 polling_attempts++ < BTIF_HH_MAX_POLLING_ATTEMPTS) {
427 usleep(BTIF_HH_POLLING_SLEEP_DURATION_US);
428 }
429 }
430
431 // Send the HID data to the kernel.
432 if ((p_dev->fd >= 0) && p_dev->ready_for_data) {
433 bta_hh_co_write(p_dev->fd, p_rpt, len);
434 } else {
435 APPL_TRACE_WARNING("%s: Error: fd = %d, ready %d, len = %d", __func__,
436 p_dev->fd, p_dev->ready_for_data, len);
437 }
438 }
439
440 /*******************************************************************************
441 *
442 * Function bta_hh_co_send_hid_info
443 *
444 * Description This function is called in btif_hh.c to process DSCP
445 * received.
446 *
447 * Parameters dev_handle - device handle
448 * dscp_len - report descriptor length
449 * *p_dscp - report descriptor
450 *
451 * Returns void
452 ******************************************************************************/
bta_hh_co_send_hid_info(btif_hh_device_t * p_dev,const char * dev_name,uint16_t vendor_id,uint16_t product_id,uint16_t version,uint8_t ctry_code,int dscp_len,uint8_t * p_dscp)453 void bta_hh_co_send_hid_info(btif_hh_device_t* p_dev, const char* dev_name,
454 uint16_t vendor_id, uint16_t product_id,
455 uint16_t version, uint8_t ctry_code, int dscp_len,
456 uint8_t* p_dscp) {
457 int result;
458 struct uhid_event ev;
459
460 if (p_dev->fd < 0) {
461 APPL_TRACE_WARNING("%s: Error: fd = %d, dscp_len = %d", __func__, p_dev->fd,
462 dscp_len);
463 return;
464 }
465
466 APPL_TRACE_WARNING("%s: fd = %d, name = [%s], dscp_len = %d", __func__,
467 p_dev->fd, dev_name, dscp_len);
468 APPL_TRACE_WARNING(
469 "%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x,"
470 "ctry_code=0x%02x",
471 __func__, vendor_id, product_id, version, ctry_code);
472
473 // Create and send hid descriptor to kernel
474 memset(&ev, 0, sizeof(ev));
475 ev.type = UHID_CREATE;
476 strlcpy((char*)ev.u.create.name, dev_name, sizeof(ev.u.create.name));
477 snprintf((char*)ev.u.create.uniq, sizeof(ev.u.create.uniq), "%s",
478 p_dev->bd_addr.ToString().c_str());
479 ev.u.create.rd_size = dscp_len;
480 ev.u.create.rd_data = p_dscp;
481 ev.u.create.bus = BUS_BLUETOOTH;
482 ev.u.create.vendor = vendor_id;
483 ev.u.create.product = product_id;
484 ev.u.create.version = version;
485 ev.u.create.country = ctry_code;
486 result = uhid_write(p_dev->fd, &ev);
487
488 APPL_TRACE_WARNING(
489 "%s: wrote descriptor to fd = %d, dscp_len = %d, result = %d", __func__,
490 p_dev->fd, dscp_len, result);
491
492 if (result) {
493 APPL_TRACE_WARNING("%s: Error: failed to send DSCP, result = %d", __func__,
494 result);
495
496 /* The HID report descriptor is corrupted. Close the driver. */
497 close(p_dev->fd);
498 p_dev->fd = -1;
499 }
500 }
501
502 #if (BTA_HH_LE_INCLUDED == TRUE)
503 /*******************************************************************************
504 *
505 * Function bta_hh_le_co_rpt_info
506 *
507 * Description This callout function is to convey the report information on
508 * a HOGP device to the application. Application can save this
509 * information in NV if device is bonded and load it back when
510 * stack reboot.
511 *
512 * Parameters remote_bda - remote device address
513 * p_entry - report entry pointer
514 * app_id - application id
515 *
516 * Returns void.
517 *
518 ******************************************************************************/
bta_hh_le_co_rpt_info(const RawAddress & remote_bda,tBTA_HH_RPT_CACHE_ENTRY * p_entry,UNUSED_ATTR uint8_t app_id)519 void bta_hh_le_co_rpt_info(const RawAddress& remote_bda,
520 tBTA_HH_RPT_CACHE_ENTRY* p_entry,
521 UNUSED_ATTR uint8_t app_id) {
522 unsigned idx = 0;
523
524 std::string addrstr = remote_bda.ToString();
525 const char* bdstr = addrstr.c_str();
526
527 size_t len = btif_config_get_bin_length(bdstr, "HidReport");
528 if (len >= sizeof(tBTA_HH_RPT_CACHE_ENTRY) && len <= sizeof(sReportCache)) {
529 btif_config_get_bin(bdstr, "HidReport", (uint8_t*)sReportCache, &len);
530 idx = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY);
531 }
532
533 if (idx < BTA_HH_NV_LOAD_MAX) {
534 memcpy(&sReportCache[idx++], p_entry, sizeof(tBTA_HH_RPT_CACHE_ENTRY));
535 btif_config_set_bin(bdstr, "HidReport", (const uint8_t*)sReportCache,
536 idx * sizeof(tBTA_HH_RPT_CACHE_ENTRY));
537 BTIF_TRACE_DEBUG("%s() - Saving report; dev=%s, idx=%d", __func__, bdstr,
538 idx);
539 }
540 }
541
542 /*******************************************************************************
543 *
544 * Function bta_hh_le_co_cache_load
545 *
546 * Description This callout function is to request the application to load
547 * the cached HOGP report if there is any. When cache reading
548 * is completed, bta_hh_le_ci_cache_load() is called by the
549 * application.
550 *
551 * Parameters remote_bda - remote device address
552 * p_num_rpt: number of cached report
553 * app_id - application id
554 *
555 * Returns the acched report array
556 *
557 ******************************************************************************/
bta_hh_le_co_cache_load(const RawAddress & remote_bda,uint8_t * p_num_rpt,UNUSED_ATTR uint8_t app_id)558 tBTA_HH_RPT_CACHE_ENTRY* bta_hh_le_co_cache_load(const RawAddress& remote_bda,
559 uint8_t* p_num_rpt,
560 UNUSED_ATTR uint8_t app_id) {
561 std::string addrstr = remote_bda.ToString();
562 const char* bdstr = addrstr.c_str();
563
564 size_t len = btif_config_get_bin_length(bdstr, "HidReport");
565 if (!p_num_rpt || len < sizeof(tBTA_HH_RPT_CACHE_ENTRY)) return NULL;
566
567 if (len > sizeof(sReportCache)) len = sizeof(sReportCache);
568 btif_config_get_bin(bdstr, "HidReport", (uint8_t*)sReportCache, &len);
569 *p_num_rpt = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY);
570
571 BTIF_TRACE_DEBUG("%s() - Loaded %d reports; dev=%s", __func__, *p_num_rpt,
572 bdstr);
573
574 return sReportCache;
575 }
576
577 /*******************************************************************************
578 *
579 * Function bta_hh_le_co_reset_rpt_cache
580 *
581 * Description This callout function is to reset the HOGP device cache.
582 *
583 * Parameters remote_bda - remote device address
584 *
585 * Returns none
586 *
587 ******************************************************************************/
bta_hh_le_co_reset_rpt_cache(const RawAddress & remote_bda,UNUSED_ATTR uint8_t app_id)588 void bta_hh_le_co_reset_rpt_cache(const RawAddress& remote_bda,
589 UNUSED_ATTR uint8_t app_id) {
590 std::string addrstr = remote_bda.ToString();
591 const char* bdstr = addrstr.c_str();
592
593 btif_config_remove(bdstr, "HidReport");
594
595 BTIF_TRACE_DEBUG("%s() - Reset cache for bda %s", __func__, bdstr);
596 }
597
598 #endif // (BTA_HH_LE_INCLUDED == TRUE)
599