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1 /*
2  * Copyright (C) 2013-2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "msm8960_platform"
18 /*#define LOG_NDEBUG 0*/
19 #define LOG_NDDEBUG 0
20 
21 #include <stdlib.h>
22 #include <dlfcn.h>
23 #include <cutils/log.h>
24 #include <cutils/properties.h>
25 #include <audio_hw.h>
26 #include <platform_api.h>
27 #include "platform.h"
28 
29 #define LIB_ACDB_LOADER "libacdbloader.so"
30 #define LIB_CSD_CLIENT "libcsd-client.so"
31 
32 #define DUALMIC_CONFIG_NONE 0      /* Target does not contain 2 mics */
33 #define DUALMIC_CONFIG_ENDFIRE 1
34 #define DUALMIC_CONFIG_BROADSIDE 2
35 
36 /*
37  * This is the sysfs path for the HDMI audio data block
38  */
39 #define AUDIO_DATA_BLOCK_PATH "/sys/class/graphics/fb1/audio_data_block"
40 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
41 
42 /*
43  * This file will have a maximum of 38 bytes:
44  *
45  * 4 bytes: number of audio blocks
46  * 4 bytes: total length of Short Audio Descriptor (SAD) blocks
47  * Maximum 10 * 3 bytes: SAD blocks
48  */
49 #define MAX_SAD_BLOCKS      10
50 #define SAD_BLOCK_SIZE      3
51 
52 /* EDID format ID for LPCM audio */
53 #define EDID_FORMAT_LPCM    1
54 
55 struct audio_block_header
56 {
57     int reserved;
58     int length;
59 };
60 
61 
62 typedef void (*acdb_deallocate_t)();
63 typedef int  (*acdb_init_t)();
64 typedef void (*acdb_send_audio_cal_t)(int, int);
65 typedef void (*acdb_send_voice_cal_t)(int, int);
66 
67 typedef int (*csd_client_init_t)();
68 typedef int (*csd_client_deinit_t)();
69 typedef int (*csd_disable_device_t)();
70 typedef int (*csd_enable_device_t)(int, int, uint32_t);
71 typedef int (*csd_volume_t)(int);
72 typedef int (*csd_mic_mute_t)(int);
73 typedef int (*csd_start_voice_t)();
74 typedef int (*csd_stop_voice_t)();
75 
76 
77 /* Audio calibration related functions */
78 struct platform_data {
79     struct audio_device *adev;
80     bool fluence_in_spkr_mode;
81     bool fluence_in_voice_call;
82     bool fluence_in_voice_rec;
83     int  dualmic_config;
84 
85     void *acdb_handle;
86     acdb_init_t acdb_init;
87     acdb_deallocate_t acdb_deallocate;
88     acdb_send_audio_cal_t acdb_send_audio_cal;
89     acdb_send_voice_cal_t acdb_send_voice_cal;
90 
91     /* CSD Client related functions for voice call */
92     void *csd_client;
93     csd_client_init_t csd_client_init;
94     csd_client_deinit_t csd_client_deinit;
95     csd_disable_device_t csd_disable_device;
96     csd_enable_device_t csd_enable_device;
97     csd_volume_t csd_volume;
98     csd_mic_mute_t csd_mic_mute;
99     csd_start_voice_t csd_start_voice;
100     csd_stop_voice_t csd_stop_voice;
101 };
102 
103 static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
104     [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0},
105     [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {14, 14},
106     [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1},
107     [USECASE_AUDIO_RECORD] = {0, 0},
108     [USECASE_AUDIO_RECORD_LOW_LATENCY] = {14, 14},
109     [USECASE_VOICE_CALL] = {12, 12},
110 };
111 
112 /* Array to store sound devices */
113 static const char * const device_table[SND_DEVICE_MAX] = {
114     [SND_DEVICE_NONE] = "none",
115     /* Playback sound devices */
116     [SND_DEVICE_OUT_HANDSET] = "handset",
117     [SND_DEVICE_OUT_SPEAKER] = "speaker",
118     [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
119     [SND_DEVICE_OUT_HEADPHONES] = "headphones",
120     [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
121     [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
122     [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
123     [SND_DEVICE_OUT_HDMI] = "hdmi",
124     [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
125     [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
126     [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
127     [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus",
128     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
129     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
130     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
131 
132     /* Capture sound devices */
133     [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
134     [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
135     [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
136     [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
137     [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "voice-speaker-mic",
138     [SND_DEVICE_IN_HEADSET_MIC_AEC] = "headset-mic",
139     [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
140     [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
141     [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
142     [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
143     [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb",
144     [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
145     [SND_DEVICE_IN_VOICE_DMIC_EF] = "voice-dmic-ef",
146     [SND_DEVICE_IN_VOICE_DMIC_BS] = "voice-dmic-bs",
147     [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = "voice-dmic-ef-tmus",
148     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = "voice-speaker-dmic-ef",
149     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = "voice-speaker-dmic-bs",
150     [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
151     [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
152     [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
153     [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
154     [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = "voice-rec-dmic-ef",
155     [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = "voice-rec-dmic-bs",
156     [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = "voice-rec-dmic-ef-fluence",
157     [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = "voice-rec-dmic-bs-fluence",
158 };
159 
160 /* ACDB IDs (audio DSP path configuration IDs) for each sound device */
161 static const int acdb_device_table[SND_DEVICE_MAX] = {
162     [SND_DEVICE_NONE] = -1,
163     [SND_DEVICE_OUT_HANDSET] = 7,
164     [SND_DEVICE_OUT_SPEAKER] = 14,
165     [SND_DEVICE_OUT_SPEAKER_REVERSE] = 14,
166     [SND_DEVICE_OUT_HEADPHONES] = 10,
167     [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
168     [SND_DEVICE_OUT_VOICE_SPEAKER] = 14,
169     [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
170     [SND_DEVICE_OUT_HDMI] = 18,
171     [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14,
172     [SND_DEVICE_OUT_BT_SCO] = 22,
173     [SND_DEVICE_OUT_BT_SCO_WB] = 39,
174     [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = 81,
175     [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
176     [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
177     [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
178 
179     [SND_DEVICE_IN_HANDSET_MIC] = 4,
180     [SND_DEVICE_IN_SPEAKER_MIC] = 4,
181     [SND_DEVICE_IN_HEADSET_MIC] = 8,
182     [SND_DEVICE_IN_HANDSET_MIC_AEC] = 40,
183     [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 42,
184     [SND_DEVICE_IN_HEADSET_MIC_AEC] = 47,
185     [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
186     [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
187     [SND_DEVICE_IN_HDMI_MIC] = 4,
188     [SND_DEVICE_IN_BT_SCO_MIC] = 21,
189     [SND_DEVICE_IN_BT_SCO_MIC_WB] = 38,
190     [SND_DEVICE_IN_CAMCORDER_MIC] = 61,
191     [SND_DEVICE_IN_VOICE_DMIC_EF] = 6,
192     [SND_DEVICE_IN_VOICE_DMIC_BS] = 5,
193     [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = 91,
194     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = 13,
195     [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = 12,
196     [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
197     [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
198     [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
199     [SND_DEVICE_IN_VOICE_REC_MIC] = 62,
200     /* TODO: Update with proper acdb ids */
201     [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = 62,
202     [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = 62,
203     [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = 6,
204     [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = 5,
205 };
206 
207 #define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
208 #define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
209 
210 static pthread_once_t check_op_once_ctl = PTHREAD_ONCE_INIT;
211 static bool is_tmus = false;
212 
check_operator()213 static void check_operator()
214 {
215     char value[PROPERTY_VALUE_MAX];
216     int mccmnc;
217     property_get("gsm.sim.operator.numeric",value,"0");
218     mccmnc = atoi(value);
219     ALOGD("%s: tmus mccmnc %d", __func__, mccmnc);
220     switch(mccmnc) {
221     /* TMUS MCC(310), MNC(490, 260, 026) */
222     case 310490:
223     case 310260:
224     case 310026:
225         is_tmus = true;
226         break;
227     }
228 }
229 
is_operator_tmus()230 bool is_operator_tmus()
231 {
232     pthread_once(&check_op_once_ctl, check_operator);
233     return is_tmus;
234 }
235 
set_echo_reference(struct mixer * mixer,const char * ec_ref)236 static int set_echo_reference(struct mixer *mixer, const char* ec_ref)
237 {
238     struct mixer_ctl *ctl;
239     const char *mixer_ctl_name = "EC_REF_RX";
240 
241     ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name);
242     if (!ctl) {
243         ALOGE("%s: Could not get ctl for mixer cmd - %s",
244               __func__, mixer_ctl_name);
245         return -EINVAL;
246     }
247     ALOGV("Setting EC Reference: %s", ec_ref);
248     mixer_ctl_set_enum_by_string(ctl, ec_ref);
249     return 0;
250 }
251 
platform_init(struct audio_device * adev)252 void *platform_init(struct audio_device *adev)
253 {
254     char platform[PROPERTY_VALUE_MAX];
255     char baseband[PROPERTY_VALUE_MAX];
256     char value[PROPERTY_VALUE_MAX];
257     struct platform_data *my_data;
258 
259     adev->mixer = mixer_open(MIXER_CARD);
260 
261     if (!adev->mixer) {
262         ALOGE("Unable to open the mixer, aborting.");
263         return NULL;
264     }
265 
266     adev->audio_route = audio_route_init(MIXER_CARD, MIXER_XML_PATH);
267     if (!adev->audio_route) {
268         ALOGE("%s: Failed to init audio route controls, aborting.", __func__);
269         return NULL;
270     }
271 
272     my_data = calloc(1, sizeof(struct platform_data));
273 
274     my_data->adev = adev;
275     my_data->dualmic_config = DUALMIC_CONFIG_NONE;
276     my_data->fluence_in_spkr_mode = false;
277     my_data->fluence_in_voice_call = false;
278     my_data->fluence_in_voice_rec = false;
279 
280     property_get("persist.audio.dualmic.config",value,"");
281     if (!strcmp("broadside", value)) {
282         my_data->dualmic_config = DUALMIC_CONFIG_BROADSIDE;
283         adev->acdb_settings |= DMIC_FLAG;
284     } else if (!strcmp("endfire", value)) {
285         my_data->dualmic_config = DUALMIC_CONFIG_ENDFIRE;
286         adev->acdb_settings |= DMIC_FLAG;
287     }
288 
289     if (my_data->dualmic_config != DUALMIC_CONFIG_NONE) {
290         property_get("persist.audio.fluence.voicecall",value,"");
291         if (!strcmp("true", value)) {
292             my_data->fluence_in_voice_call = true;
293         }
294 
295         property_get("persist.audio.fluence.voicerec",value,"");
296         if (!strcmp("true", value)) {
297             my_data->fluence_in_voice_rec = true;
298         }
299 
300         property_get("persist.audio.fluence.speaker",value,"");
301         if (!strcmp("true", value)) {
302             my_data->fluence_in_spkr_mode = true;
303         }
304     }
305 
306     my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
307     if (my_data->acdb_handle == NULL) {
308         ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
309     } else {
310         ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
311         my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle,
312                                                     "acdb_loader_deallocate_ACDB");
313         my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle,
314                                                     "acdb_loader_send_audio_cal");
315         if (!my_data->acdb_send_audio_cal)
316             ALOGW("%s: Could not find the symbol acdb_send_audio_cal from %s",
317                   __func__, LIB_ACDB_LOADER);
318         my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
319                                                     "acdb_loader_send_voice_cal");
320         my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
321                                                     "acdb_loader_init_ACDB");
322         if (my_data->acdb_init == NULL)
323             ALOGE("%s: dlsym error %s for acdb_loader_init_ACDB", __func__, dlerror());
324         else
325             my_data->acdb_init();
326     }
327 
328     /* If platform is Fusion3, load CSD Client specific symbols
329      * Voice call is handled by MDM and apps processor talks to
330      * MDM through CSD Client
331      */
332     property_get("ro.board.platform", platform, "");
333     property_get("ro.baseband", baseband, "");
334     if (!strcmp("msm8960", platform) && !strcmp("mdm", baseband)) {
335         my_data->csd_client = dlopen(LIB_CSD_CLIENT, RTLD_NOW);
336         if (my_data->csd_client == NULL)
337             ALOGE("%s: DLOPEN failed for %s", __func__, LIB_CSD_CLIENT);
338     }
339 
340     if (my_data->csd_client) {
341         ALOGV("%s: DLOPEN successful for %s", __func__, LIB_CSD_CLIENT);
342         my_data->csd_client_deinit = (csd_client_deinit_t)dlsym(my_data->csd_client,
343                                                     "csd_client_deinit");
344         my_data->csd_disable_device = (csd_disable_device_t)dlsym(my_data->csd_client,
345                                                     "csd_client_disable_device");
346         my_data->csd_enable_device = (csd_enable_device_t)dlsym(my_data->csd_client,
347                                                     "csd_client_enable_device");
348         my_data->csd_start_voice = (csd_start_voice_t)dlsym(my_data->csd_client,
349                                                     "csd_client_start_voice");
350         my_data->csd_stop_voice = (csd_stop_voice_t)dlsym(my_data->csd_client,
351                                                     "csd_client_stop_voice");
352         my_data->csd_volume = (csd_volume_t)dlsym(my_data->csd_client,
353                                                     "csd_client_volume");
354         my_data->csd_mic_mute = (csd_mic_mute_t)dlsym(my_data->csd_client,
355                                                     "csd_client_mic_mute");
356         my_data->csd_client_init = (csd_client_init_t)dlsym(my_data->csd_client,
357                                                     "csd_client_init");
358 
359         if (my_data->csd_client_init == NULL) {
360             ALOGE("%s: dlsym error %s for csd_client_init", __func__, dlerror());
361         } else {
362             my_data->csd_client_init();
363         }
364     }
365 
366     return my_data;
367 }
368 
platform_deinit(void * platform)369 void platform_deinit(void *platform)
370 {
371     free(platform);
372 }
373 
platform_get_snd_device_name(snd_device_t snd_device)374 const char *platform_get_snd_device_name(snd_device_t snd_device)
375 {
376     if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX)
377         return device_table[snd_device];
378     else
379         return "none";
380 }
381 
platform_add_backend_name(void * platform __unused,char * mixer_path,snd_device_t snd_device)382 void platform_add_backend_name(void *platform __unused, char *mixer_path,
383                                snd_device_t snd_device)
384 {
385     if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
386         strcat(mixer_path, " bt-sco");
387     else if(snd_device == SND_DEVICE_OUT_BT_SCO)
388         strcat(mixer_path, " bt-sco");
389     else if (snd_device == SND_DEVICE_OUT_HDMI)
390         strcat(mixer_path, " hdmi");
391     else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
392         strcat(mixer_path, " speaker-and-hdmi");
393     else if (snd_device == SND_DEVICE_OUT_BT_SCO_WB ||
394              snd_device == SND_DEVICE_IN_BT_SCO_MIC_WB)
395         strcat(mixer_path, " bt-sco-wb");
396 }
397 
platform_get_pcm_device_id(audio_usecase_t usecase,int device_type)398 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
399 {
400     int device_id;
401     if (device_type == PCM_PLAYBACK)
402         device_id = pcm_device_table[usecase][0];
403     else
404         device_id = pcm_device_table[usecase][1];
405     return device_id;
406 }
407 
platform_get_snd_device_index(char * snd_device_index_name __unused)408 int platform_get_snd_device_index(char *snd_device_index_name __unused)
409 {
410     return -ENODEV;
411 }
412 
platform_set_snd_device_acdb_id(snd_device_t snd_device __unused,unsigned int acdb_id __unused)413 int platform_set_snd_device_acdb_id(snd_device_t snd_device __unused,
414                                     unsigned int acdb_id __unused)
415 {
416     return -ENODEV;
417 }
418 
platform_send_audio_calibration(void * platform,snd_device_t snd_device)419 int platform_send_audio_calibration(void *platform, snd_device_t snd_device)
420 {
421     struct platform_data *my_data = (struct platform_data *)platform;
422     int acdb_dev_id, acdb_dev_type;
423 
424     acdb_dev_id = acdb_device_table[snd_device];
425     if (acdb_dev_id < 0) {
426         ALOGE("%s: Could not find acdb id for device(%d)",
427               __func__, snd_device);
428         return -EINVAL;
429     }
430     if (my_data->acdb_send_audio_cal) {
431         ("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
432               __func__, snd_device, acdb_dev_id);
433         if (snd_device >= SND_DEVICE_OUT_BEGIN &&
434                 snd_device < SND_DEVICE_OUT_END)
435             acdb_dev_type = ACDB_DEV_TYPE_OUT;
436         else
437             acdb_dev_type = ACDB_DEV_TYPE_IN;
438         my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type);
439     }
440     return 0;
441 }
442 
platform_switch_voice_call_device_pre(void * platform)443 int platform_switch_voice_call_device_pre(void *platform)
444 {
445     struct platform_data *my_data = (struct platform_data *)platform;
446     int ret = 0;
447 
448     if (my_data->csd_client != NULL &&
449         voice_is_in_call(my_data->adev)) {
450         /* This must be called before disabling the mixer controls on APQ side */
451         if (my_data->csd_disable_device == NULL) {
452             ALOGE("%s: dlsym error for csd_disable_device", __func__);
453         } else {
454             ret = my_data->csd_disable_device();
455             if (ret < 0) {
456                 ALOGE("%s: csd_client_disable_device, failed, error %d",
457                       __func__, ret);
458             }
459         }
460     }
461     return ret;
462 }
463 
platform_switch_voice_call_device_post(void * platform,snd_device_t out_snd_device,snd_device_t in_snd_device)464 int platform_switch_voice_call_device_post(void *platform,
465                                            snd_device_t out_snd_device,
466                                            snd_device_t in_snd_device)
467 {
468     struct platform_data *my_data = (struct platform_data *)platform;
469     int acdb_rx_id, acdb_tx_id;
470     int ret = 0;
471 
472     if (my_data->csd_client) {
473         if (my_data->csd_enable_device == NULL) {
474             ALOGE("%s: dlsym error for csd_enable_device",
475                   __func__);
476         } else {
477             acdb_rx_id = acdb_device_table[out_snd_device];
478             acdb_tx_id = acdb_device_table[in_snd_device];
479 
480             if (acdb_rx_id > 0 || acdb_tx_id > 0) {
481                 ret = my_data->csd_enable_device(acdb_rx_id, acdb_tx_id,
482                                                     my_data->adev->acdb_settings);
483                 if (ret < 0) {
484                     ALOGE("%s: csd_enable_device, failed, error %d",
485                           __func__, ret);
486                 }
487             } else {
488                 ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
489                       acdb_rx_id, acdb_tx_id);
490             }
491         }
492     }
493 
494     return ret;
495 }
496 
platform_start_voice_call(void * platform,uint32_t vsid __unused)497 int platform_start_voice_call(void *platform, uint32_t vsid __unused)
498 {
499     struct platform_data *my_data = (struct platform_data *)platform;
500     int ret = 0;
501 
502     if (my_data->csd_client) {
503         if (my_data->csd_start_voice == NULL) {
504             ALOGE("dlsym error for csd_client_start_voice");
505             ret = -ENOSYS;
506         } else {
507             ret = my_data->csd_start_voice();
508             if (ret < 0) {
509                 ALOGE("%s: csd_start_voice error %d\n", __func__, ret);
510             }
511         }
512     }
513 
514     return ret;
515 }
516 
platform_stop_voice_call(void * platform,uint32_t vsid __unused)517 int platform_stop_voice_call(void *platform, uint32_t vsid __unused)
518 {
519     struct platform_data *my_data = (struct platform_data *)platform;
520     int ret = 0;
521 
522     if (my_data->csd_client) {
523         if (my_data->csd_stop_voice == NULL) {
524             ALOGE("dlsym error for csd_stop_voice");
525         } else {
526             ret = my_data->csd_stop_voice();
527             if (ret < 0) {
528                 ALOGE("%s: csd_stop_voice error %d\n", __func__, ret);
529             }
530         }
531     }
532 
533     return ret;
534 }
535 
platform_set_voice_volume(void * platform,int volume)536 int platform_set_voice_volume(void *platform, int volume)
537 {
538     struct platform_data *my_data = (struct platform_data *)platform;
539     int ret = 0;
540 
541     if (my_data->csd_client) {
542         if (my_data->csd_volume == NULL) {
543             ALOGE("%s: dlsym error for csd_volume", __func__);
544         } else {
545             ret = my_data->csd_volume(volume);
546             if (ret < 0) {
547                 ALOGE("%s: csd_volume error %d", __func__, ret);
548             }
549         }
550     } else {
551         ALOGE("%s: No CSD Client present", __func__);
552     }
553 
554     return ret;
555 }
556 
platform_set_mic_mute(void * platform,bool state)557 int platform_set_mic_mute(void *platform, bool state)
558 {
559     struct platform_data *my_data = (struct platform_data *)platform;
560     int ret = 0;
561 
562     if (my_data->adev->mode == AUDIO_MODE_IN_CALL) {
563         if (my_data->csd_client) {
564             if (my_data->csd_mic_mute == NULL) {
565                 ALOGE("%s: dlsym error for csd_mic_mute", __func__);
566             } else {
567                 ret = my_data->csd_mic_mute(state);
568                 if (ret < 0) {
569                     ALOGE("%s: csd_mic_mute error %d", __func__, ret);
570                 }
571             }
572         } else {
573             ALOGE("%s: No CSD Client present", __func__);
574         }
575     }
576 
577     return ret;
578 }
579 
platform_set_device_mute(void * platform __unused,bool state __unused,char * dir __unused)580 int platform_set_device_mute(void *platform __unused, bool state __unused, char *dir __unused)
581 {
582     ALOGE("%s: Not implemented", __func__);
583     return -ENOSYS;
584 }
585 
platform_get_output_snd_device(void * platform,audio_devices_t devices)586 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
587 {
588     struct platform_data *my_data = (struct platform_data *)platform;
589     struct audio_device *adev = my_data->adev;
590     audio_mode_t mode = adev->mode;
591     snd_device_t snd_device = SND_DEVICE_NONE;
592 
593     ALOGV("%s: enter: output devices(%#x)", __func__, devices);
594     if (devices == AUDIO_DEVICE_NONE ||
595         devices & AUDIO_DEVICE_BIT_IN) {
596         ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
597         goto exit;
598     }
599 
600     if (voice_is_in_call(adev)) {
601         if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
602             devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
603             if (adev->voice.tty_mode == TTY_MODE_FULL)
604                 snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
605             else if (adev->voice.tty_mode == TTY_MODE_VCO)
606                 snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
607             else if (adev->voice.tty_mode == TTY_MODE_HCO)
608                 snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
609             else
610                 snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
611         } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
612             if (adev->bt_wb_speech_enabled) {
613                 snd_device = SND_DEVICE_OUT_BT_SCO_WB;
614             } else {
615                 snd_device = SND_DEVICE_OUT_BT_SCO;
616             }
617         } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
618             snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
619         } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
620             if (is_operator_tmus())
621                 snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
622             else
623                 snd_device = SND_DEVICE_OUT_HANDSET;
624         }
625         if (snd_device != SND_DEVICE_NONE) {
626             goto exit;
627         }
628     }
629 
630     if (popcount(devices) == 2) {
631         if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
632                         AUDIO_DEVICE_OUT_SPEAKER)) {
633             snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
634         } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
635                                AUDIO_DEVICE_OUT_SPEAKER)) {
636             snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
637         } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
638                                AUDIO_DEVICE_OUT_SPEAKER)) {
639             snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
640         } else {
641             ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
642             goto exit;
643         }
644         if (snd_device != SND_DEVICE_NONE) {
645             goto exit;
646         }
647     }
648 
649     if (popcount(devices) != 1) {
650         ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
651         goto exit;
652     }
653 
654     if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
655         devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
656         snd_device = SND_DEVICE_OUT_HEADPHONES;
657     } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
658         if (adev->speaker_lr_swap)
659             snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
660         else
661             snd_device = SND_DEVICE_OUT_SPEAKER;
662     } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
663         if (adev->bt_wb_speech_enabled) {
664             snd_device = SND_DEVICE_OUT_BT_SCO_WB;
665         } else {
666             snd_device = SND_DEVICE_OUT_BT_SCO;
667         }
668     } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
669         snd_device = SND_DEVICE_OUT_HDMI ;
670     } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
671         snd_device = SND_DEVICE_OUT_HANDSET;
672     } else {
673         ALOGE("%s: Unknown device(s) %#x", __func__, devices);
674     }
675 exit:
676     ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
677     return snd_device;
678 }
679 
platform_get_input_snd_device(void * platform,audio_devices_t out_device)680 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device)
681 {
682     struct platform_data *my_data = (struct platform_data *)platform;
683     struct audio_device *adev = my_data->adev;
684     audio_source_t  source = (adev->active_input == NULL) ?
685                                 AUDIO_SOURCE_DEFAULT : adev->active_input->source;
686 
687     audio_mode_t    mode   = adev->mode;
688     audio_devices_t in_device = ((adev->active_input == NULL) ?
689                                     AUDIO_DEVICE_NONE : adev->active_input->device)
690                                 & ~AUDIO_DEVICE_BIT_IN;
691     audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
692                                 AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
693     snd_device_t snd_device = SND_DEVICE_NONE;
694 
695     ALOGV("%s: enter: out_device(%#x) in_device(%#x)",
696           __func__, out_device, in_device);
697     if ((out_device != AUDIO_DEVICE_NONE) && voice_is_in_call(adev)) {
698         if (adev->voice.tty_mode != TTY_MODE_OFF) {
699             if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
700                 out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
701                 switch (adev->voice.tty_mode) {
702                 case TTY_MODE_FULL:
703                     snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
704                     break;
705                 case TTY_MODE_VCO:
706                     snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
707                     break;
708                 case TTY_MODE_HCO:
709                     snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
710                     break;
711                 default:
712                     ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->voice.tty_mode);
713                 }
714                 goto exit;
715             }
716         }
717         if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
718             out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
719             if (my_data->fluence_in_voice_call == false) {
720                 snd_device = SND_DEVICE_IN_HANDSET_MIC;
721             } else {
722                 if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
723                     if (is_operator_tmus())
724                         snd_device = SND_DEVICE_IN_VOICE_DMIC_EF_TMUS;
725                     else
726                         snd_device = SND_DEVICE_IN_VOICE_DMIC_EF;
727                 } else if(my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE)
728                     snd_device = SND_DEVICE_IN_VOICE_DMIC_BS;
729                 else
730                     snd_device = SND_DEVICE_IN_HANDSET_MIC;
731             }
732         } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
733             snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
734         } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
735             if (adev->bt_wb_speech_enabled) {
736                 snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
737             } else {
738                 snd_device = SND_DEVICE_IN_BT_SCO_MIC;
739             }
740         } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
741             if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
742                     my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
743                 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF;
744             } else if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
745                     my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
746                 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS;
747             } else {
748                 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
749             }
750         }
751     } else if (source == AUDIO_SOURCE_CAMCORDER) {
752         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
753             in_device & AUDIO_DEVICE_IN_BACK_MIC) {
754             snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
755         }
756     } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
757         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
758             if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
759                 if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
760                     snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF;
761                 else if (my_data->fluence_in_voice_rec)
762                     snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE;
763             } else if (my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
764                 if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
765                     snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS;
766                 else if (my_data->fluence_in_voice_rec)
767                     snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE;
768             }
769 
770             if (snd_device == SND_DEVICE_NONE) {
771                 snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
772             }
773         }
774     } else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) {
775         if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
776             in_device = AUDIO_DEVICE_IN_BACK_MIC;
777         if (adev->active_input) {
778             if (adev->active_input->enable_aec) {
779                 if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
780                     snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
781                 } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
782                     snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC;
783                 } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
784                     snd_device = SND_DEVICE_IN_HEADSET_MIC_AEC;
785                 }
786                 set_echo_reference(adev->mixer, "SLIM_RX");
787             } else
788                 set_echo_reference(adev->mixer, "NONE");
789         }
790     } else if (source == AUDIO_SOURCE_DEFAULT) {
791         goto exit;
792     }
793 
794 
795     if (snd_device != SND_DEVICE_NONE) {
796         goto exit;
797     }
798 
799     if (in_device != AUDIO_DEVICE_NONE &&
800             !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
801             !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
802         if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
803             snd_device = SND_DEVICE_IN_HANDSET_MIC;
804         } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
805             snd_device = SND_DEVICE_IN_SPEAKER_MIC;
806         } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
807             snd_device = SND_DEVICE_IN_HEADSET_MIC;
808         } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
809             if (adev->bt_wb_speech_enabled) {
810                 snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
811             } else {
812                 snd_device = SND_DEVICE_IN_BT_SCO_MIC;
813             }
814         } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
815             snd_device = SND_DEVICE_IN_HDMI_MIC;
816         } else {
817             ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
818             ALOGW("%s: Using default handset-mic", __func__);
819             snd_device = SND_DEVICE_IN_HANDSET_MIC;
820         }
821     } else {
822         if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
823             snd_device = SND_DEVICE_IN_HANDSET_MIC;
824         } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
825             snd_device = SND_DEVICE_IN_HEADSET_MIC;
826         } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
827             snd_device = SND_DEVICE_IN_SPEAKER_MIC;
828         } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
829             snd_device = SND_DEVICE_IN_HANDSET_MIC;
830         } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
831             if (adev->bt_wb_speech_enabled) {
832                 snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
833             } else {
834                 snd_device = SND_DEVICE_IN_BT_SCO_MIC;
835             }
836         } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
837             snd_device = SND_DEVICE_IN_HDMI_MIC;
838         } else {
839             ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
840             ALOGW("%s: Using default handset-mic", __func__);
841             snd_device = SND_DEVICE_IN_HANDSET_MIC;
842         }
843     }
844 exit:
845     ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
846     return snd_device;
847 }
848 
platform_set_hdmi_channels(void * platform,int channel_count)849 int platform_set_hdmi_channels(void *platform,  int channel_count)
850 {
851     struct platform_data *my_data = (struct platform_data *)platform;
852     struct audio_device *adev = my_data->adev;
853     struct mixer_ctl *ctl;
854     const char *channel_cnt_str = NULL;
855     const char *mixer_ctl_name = "HDMI_RX Channels";
856     switch (channel_count) {
857     case 8:
858         channel_cnt_str = "Eight"; break;
859     case 7:
860         channel_cnt_str = "Seven"; break;
861     case 6:
862         channel_cnt_str = "Six"; break;
863     case 5:
864         channel_cnt_str = "Five"; break;
865     case 4:
866         channel_cnt_str = "Four"; break;
867     case 3:
868         channel_cnt_str = "Three"; break;
869     default:
870         channel_cnt_str = "Two"; break;
871     }
872     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
873     if (!ctl) {
874         ALOGE("%s: Could not get ctl for mixer cmd - %s",
875               __func__, mixer_ctl_name);
876         return -EINVAL;
877     }
878     ALOGV("HDMI channel count: %s", channel_cnt_str);
879     mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
880     return 0;
881 }
882 
platform_edid_get_max_channels(void * platform __unused)883 int platform_edid_get_max_channels(void *platform __unused)
884 {
885     FILE *file;
886     struct audio_block_header header;
887     char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE];
888     char *sad = block;
889     int num_audio_blocks;
890     int channel_count;
891     int max_channels = 0;
892     int i;
893 
894     file = fopen(AUDIO_DATA_BLOCK_PATH, "rb");
895     if (file == NULL) {
896         ALOGE("Unable to open '%s'", AUDIO_DATA_BLOCK_PATH);
897         return 0;
898     }
899 
900     /* Read audio block header */
901     fread(&header, 1, sizeof(header), file);
902 
903     /* Read SAD blocks, clamping the maximum size for safety */
904     if (header.length > (int)sizeof(block))
905         header.length = (int)sizeof(block);
906     fread(&block, header.length, 1, file);
907 
908     fclose(file);
909 
910     /* Calculate the number of SAD blocks */
911     num_audio_blocks = header.length / SAD_BLOCK_SIZE;
912 
913     for (i = 0; i < num_audio_blocks; i++) {
914         /* Only consider LPCM blocks */
915         if ((sad[0] >> 3) != EDID_FORMAT_LPCM)
916             continue;
917 
918         channel_count = (sad[0] & 0x7) + 1;
919         if (channel_count > max_channels)
920             max_channels = channel_count;
921 
922         /* Advance to next block */
923         sad += 3;
924     }
925 
926     return max_channels;
927 }
928 
platform_set_incall_recording_session_id(void * platform __unused,uint32_t session_id __unused,int rec_mode __unused)929 int platform_set_incall_recording_session_id(void *platform __unused,
930                                              uint32_t session_id __unused, int rec_mode __unused)
931 {
932     ALOGE("%s: Not implemented", __func__);
933     return -ENOSYS;
934 }
935 
platform_stop_incall_recording_usecase(void * platform __unused)936 int platform_stop_incall_recording_usecase(void *platform __unused)
937 {
938     ALOGE("%s: Not implemented", __func__);
939     return -ENOSYS;
940 }
941 
platform_start_incall_music_usecase(void * platform __unused)942 int platform_start_incall_music_usecase(void *platform __unused)
943 {
944     ALOGE("%s: Not implemented", __func__);
945     return -ENOSYS;
946 }
947 
platform_stop_incall_music_usecase(void * platform __unused)948 int platform_stop_incall_music_usecase(void *platform __unused)
949 {
950     ALOGE("%s: Not implemented", __func__);
951     return -ENOSYS;
952 }
953 
954 /* Delay in Us */
platform_render_latency(audio_usecase_t usecase)955 int64_t platform_render_latency(audio_usecase_t usecase)
956 {
957     switch (usecase) {
958         case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
959             return DEEP_BUFFER_PLATFORM_DELAY;
960         case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
961             return LOW_LATENCY_PLATFORM_DELAY;
962         default:
963             return 0;
964     }
965 }
966 
platform_switch_voice_call_enable_device_config(void * platform __unused,snd_device_t out_snd_device __unused,snd_device_t in_snd_device __unused)967 int platform_switch_voice_call_enable_device_config(void *platform __unused,
968                                                     snd_device_t out_snd_device __unused,
969                                                     snd_device_t in_snd_device __unused)
970 {
971     return 0;
972 }
973 
platform_switch_voice_call_usecase_route_post(void * platform __unused,snd_device_t out_snd_device __unused,snd_device_t in_snd_device __unused)974 int platform_switch_voice_call_usecase_route_post(void *platform __unused,
975                                                   snd_device_t out_snd_device __unused,
976                                                   snd_device_t in_snd_device __unused)
977 {
978     return 0;
979 }
980 
platform_get_sample_rate(void * platform __unused,uint32_t * rate __unused)981 int platform_get_sample_rate(void *platform __unused, uint32_t *rate __unused)
982 {
983     return -ENOSYS;
984 }
985 
platform_get_usecase_index(const char * usecase __unused)986 int platform_get_usecase_index(const char * usecase __unused)
987 {
988     return -ENOSYS;
989 }
990 
platform_set_usecase_pcm_id(audio_usecase_t usecase __unused,int32_t type __unused,int32_t pcm_id __unused)991 int platform_set_usecase_pcm_id(audio_usecase_t usecase __unused, int32_t type __unused,
992                                 int32_t pcm_id __unused)
993 {
994     return -ENOSYS;
995 }
996 
platform_set_snd_device_backend(snd_device_t device __unused,const char * backend __unused)997 int platform_set_snd_device_backend(snd_device_t device __unused,
998                                     const char *backend __unused)
999 {
1000     return -ENOSYS;
1001 }
1002 
platform_set_echo_reference(struct audio_device * adev,bool enable,audio_devices_t out_device)1003 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device)
1004 {
1005     return;
1006 }
1007