2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #define LOG_TAG "legacy_audio_hw_hal"
18 //#define LOG_NDEBUG 0
22 #include <hardware/hardware.h>
23 #include <system/audio.h>
24 #include <hardware/audio.h>
26 #include <hardware_legacy/AudioHardwareInterface.h>
27 #include <hardware_legacy/AudioSystemLegacy.h>
29 namespace android_audio_legacy {
33 struct legacy_audio_module {
34 struct audio_module module;
37 struct legacy_audio_device {
38 struct audio_hw_device device;
40 struct AudioHardwareInterface *hwif;
43 struct legacy_stream_out {
44 struct audio_stream_out stream;
46 AudioStreamOut *legacy_out;
49 struct legacy_stream_in {
50 struct audio_stream_in stream;
52 AudioStreamIn *legacy_in;
62 static uint32_t audio_device_conv_table[][HAL_API_REV_NUM] =
65 { AudioSystem::DEVICE_OUT_EARPIECE, AUDIO_DEVICE_OUT_EARPIECE },
66 { AudioSystem::DEVICE_OUT_SPEAKER, AUDIO_DEVICE_OUT_SPEAKER },
67 { AudioSystem::DEVICE_OUT_WIRED_HEADSET, AUDIO_DEVICE_OUT_WIRED_HEADSET },
68 { AudioSystem::DEVICE_OUT_WIRED_HEADPHONE, AUDIO_DEVICE_OUT_WIRED_HEADPHONE },
69 { AudioSystem::DEVICE_OUT_BLUETOOTH_SCO, AUDIO_DEVICE_OUT_BLUETOOTH_SCO },
70 { AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET },
71 { AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT },
72 { AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP },
73 { AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES },
74 { AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER },
75 { AudioSystem::DEVICE_OUT_AUX_DIGITAL, AUDIO_DEVICE_OUT_AUX_DIGITAL },
76 { AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET },
77 { AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET },
78 { AudioSystem::DEVICE_OUT_DEFAULT, AUDIO_DEVICE_OUT_DEFAULT },
80 { AudioSystem::DEVICE_IN_COMMUNICATION, AUDIO_DEVICE_IN_COMMUNICATION },
81 { AudioSystem::DEVICE_IN_AMBIENT, AUDIO_DEVICE_IN_AMBIENT },
82 { AudioSystem::DEVICE_IN_BUILTIN_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC },
83 { AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET },
84 { AudioSystem::DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET },
85 { AudioSystem::DEVICE_IN_AUX_DIGITAL, AUDIO_DEVICE_IN_AUX_DIGITAL },
86 { AudioSystem::DEVICE_IN_VOICE_CALL, AUDIO_DEVICE_IN_VOICE_CALL },
87 { AudioSystem::DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BACK_MIC },
88 { AudioSystem::DEVICE_IN_DEFAULT, AUDIO_DEVICE_IN_DEFAULT },
91 static uint32_t convert_audio_device(uint32_t from_device, int from_rev, int to_rev)
93 const uint32_t k_num_devices = sizeof(audio_device_conv_table)/sizeof(uint32_t)/HAL_API_REV_NUM;
94 uint32_t to_device = AUDIO_DEVICE_NONE;
97 if (from_rev != HAL_API_REV_1_0) {
98 in_bit = from_device & AUDIO_DEVICE_BIT_IN;
99 from_device &= ~AUDIO_DEVICE_BIT_IN;
102 while (from_device) {
103 uint32_t i = 31 - __builtin_clz(from_device);
104 uint32_t cur_device = (1 << i) | in_bit;
106 for (i = 0; i < k_num_devices; i++) {
107 if (audio_device_conv_table[i][from_rev] == cur_device) {
108 to_device |= audio_device_conv_table[i][to_rev];
112 from_device &= ~cur_device;
118 /** audio_stream_out implementation **/
119 static uint32_t out_get_sample_rate(const struct audio_stream *stream)
121 const struct legacy_stream_out *out =
122 reinterpret_cast<const struct legacy_stream_out *>(stream);
123 return out->legacy_out->sampleRate();
126 static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
128 struct legacy_stream_out *out =
129 reinterpret_cast<struct legacy_stream_out *>(stream);
131 ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
132 /* TODO: implement this */
136 static size_t out_get_buffer_size(const struct audio_stream *stream)
138 const struct legacy_stream_out *out =
139 reinterpret_cast<const struct legacy_stream_out *>(stream);
140 return out->legacy_out->bufferSize();
143 static audio_channel_mask_t out_get_channels(const struct audio_stream *stream)
145 const struct legacy_stream_out *out =
146 reinterpret_cast<const struct legacy_stream_out *>(stream);
147 return (audio_channel_mask_t) out->legacy_out->channels();
150 static audio_format_t out_get_format(const struct audio_stream *stream)
152 const struct legacy_stream_out *out =
153 reinterpret_cast<const struct legacy_stream_out *>(stream);
154 // legacy API, don't change return type
155 return (audio_format_t) out->legacy_out->format();
158 static int out_set_format(struct audio_stream *stream, audio_format_t format)
160 struct legacy_stream_out *out =
161 reinterpret_cast<struct legacy_stream_out *>(stream);
162 ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
163 /* TODO: implement me */
167 static int out_standby(struct audio_stream *stream)
169 struct legacy_stream_out *out =
170 reinterpret_cast<struct legacy_stream_out *>(stream);
171 return out->legacy_out->standby();
174 static int out_dump(const struct audio_stream *stream, int fd)
176 const struct legacy_stream_out *out =
177 reinterpret_cast<const struct legacy_stream_out *>(stream);
178 Vector<String16> args;
179 return out->legacy_out->dump(fd, args);
182 static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
184 struct legacy_stream_out *out =
185 reinterpret_cast<struct legacy_stream_out *>(stream);
187 String8 s8 = String8(kvpairs);
188 AudioParameter parms = AudioParameter(String8(kvpairs));
190 if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
191 val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
192 parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
193 parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
194 s8 = parms.toString();
197 return out->legacy_out->setParameters(s8);
200 static char * out_get_parameters(const struct audio_stream *stream, const char *keys)
202 const struct legacy_stream_out *out =
203 reinterpret_cast<const struct legacy_stream_out *>(stream);
207 s8 = out->legacy_out->getParameters(String8(keys));
209 AudioParameter parms = AudioParameter(s8);
210 if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
211 val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
212 parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
213 parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
214 s8 = parms.toString();
217 return strdup(s8.string());
220 static uint32_t out_get_latency(const struct audio_stream_out *stream)
222 const struct legacy_stream_out *out =
223 reinterpret_cast<const struct legacy_stream_out *>(stream);
224 return out->legacy_out->latency();
227 static int out_set_volume(struct audio_stream_out *stream, float left,
230 struct legacy_stream_out *out =
231 reinterpret_cast<struct legacy_stream_out *>(stream);
232 return out->legacy_out->setVolume(left, right);
235 static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
238 struct legacy_stream_out *out =
239 reinterpret_cast<struct legacy_stream_out *>(stream);
240 return out->legacy_out->write(buffer, bytes);
243 static int out_get_render_position(const struct audio_stream_out *stream,
244 uint32_t *dsp_frames)
246 const struct legacy_stream_out *out =
247 reinterpret_cast<const struct legacy_stream_out *>(stream);
248 return out->legacy_out->getRenderPosition(dsp_frames);
251 static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
254 const struct legacy_stream_out *out =
255 reinterpret_cast<const struct legacy_stream_out *>(stream);
256 return out->legacy_out->getNextWriteTimestamp(timestamp);
259 static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
264 static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
269 /** audio_stream_in implementation **/
270 static uint32_t in_get_sample_rate(const struct audio_stream *stream)
272 const struct legacy_stream_in *in =
273 reinterpret_cast<const struct legacy_stream_in *>(stream);
274 return in->legacy_in->sampleRate();
277 static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
279 struct legacy_stream_in *in =
280 reinterpret_cast<struct legacy_stream_in *>(stream);
282 ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
283 /* TODO: implement this */
287 static size_t in_get_buffer_size(const struct audio_stream *stream)
289 const struct legacy_stream_in *in =
290 reinterpret_cast<const struct legacy_stream_in *>(stream);
291 return in->legacy_in->bufferSize();
294 static audio_channel_mask_t in_get_channels(const struct audio_stream *stream)
296 const struct legacy_stream_in *in =
297 reinterpret_cast<const struct legacy_stream_in *>(stream);
298 return (audio_channel_mask_t) in->legacy_in->channels();
301 static audio_format_t in_get_format(const struct audio_stream *stream)
303 const struct legacy_stream_in *in =
304 reinterpret_cast<const struct legacy_stream_in *>(stream);
305 // legacy API, don't change return type
306 return (audio_format_t) in->legacy_in->format();
309 static int in_set_format(struct audio_stream *stream, audio_format_t format)
311 struct legacy_stream_in *in =
312 reinterpret_cast<struct legacy_stream_in *>(stream);
313 ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
314 /* TODO: implement me */
318 static int in_standby(struct audio_stream *stream)
320 struct legacy_stream_in *in = reinterpret_cast<struct legacy_stream_in *>(stream);
321 return in->legacy_in->standby();
324 static int in_dump(const struct audio_stream *stream, int fd)
326 const struct legacy_stream_in *in =
327 reinterpret_cast<const struct legacy_stream_in *>(stream);
328 Vector<String16> args;
329 return in->legacy_in->dump(fd, args);
332 static int in_set_parameters(struct audio_stream *stream, const char *kvpairs)
334 struct legacy_stream_in *in =
335 reinterpret_cast<struct legacy_stream_in *>(stream);
337 AudioParameter parms = AudioParameter(String8(kvpairs));
338 String8 s8 = String8(kvpairs);
340 if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
341 val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
342 parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
343 parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
344 s8 = parms.toString();
347 return in->legacy_in->setParameters(s8);
350 static char * in_get_parameters(const struct audio_stream *stream,
353 const struct legacy_stream_in *in =
354 reinterpret_cast<const struct legacy_stream_in *>(stream);
358 s8 = in->legacy_in->getParameters(String8(keys));
360 AudioParameter parms = AudioParameter(s8);
361 if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
362 val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
363 parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
364 parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
365 s8 = parms.toString();
368 return strdup(s8.string());
371 static int in_set_gain(struct audio_stream_in *stream, float gain)
373 struct legacy_stream_in *in =
374 reinterpret_cast<struct legacy_stream_in *>(stream);
375 return in->legacy_in->setGain(gain);
378 static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
381 struct legacy_stream_in *in =
382 reinterpret_cast<struct legacy_stream_in *>(stream);
383 return in->legacy_in->read(buffer, bytes);
386 static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
388 struct legacy_stream_in *in =
389 reinterpret_cast<struct legacy_stream_in *>(stream);
390 return in->legacy_in->getInputFramesLost();
393 static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
395 const struct legacy_stream_in *in =
396 reinterpret_cast<const struct legacy_stream_in *>(stream);
397 return in->legacy_in->addAudioEffect(effect);
400 static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
402 const struct legacy_stream_in *in =
403 reinterpret_cast<const struct legacy_stream_in *>(stream);
404 return in->legacy_in->removeAudioEffect(effect);
407 /** audio_hw_device implementation **/
408 static inline struct legacy_audio_device * to_ladev(struct audio_hw_device *dev)
410 return reinterpret_cast<struct legacy_audio_device *>(dev);
413 static inline const struct legacy_audio_device * to_cladev(const struct audio_hw_device *dev)
415 return reinterpret_cast<const struct legacy_audio_device *>(dev);
418 static int adev_init_check(const struct audio_hw_device *dev)
420 const struct legacy_audio_device *ladev = to_cladev(dev);
422 return ladev->hwif->initCheck();
425 static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
427 struct legacy_audio_device *ladev = to_ladev(dev);
428 return ladev->hwif->setVoiceVolume(volume);
431 static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
433 struct legacy_audio_device *ladev = to_ladev(dev);
434 return ladev->hwif->setMasterVolume(volume);
437 static int adev_get_master_volume(struct audio_hw_device *dev, float* volume)
439 struct legacy_audio_device *ladev = to_ladev(dev);
440 return ladev->hwif->getMasterVolume(volume);
443 static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
445 struct legacy_audio_device *ladev = to_ladev(dev);
446 // as this is the legacy API, don't change it to use audio_mode_t instead of int
447 return ladev->hwif->setMode((int) mode);
450 static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
452 struct legacy_audio_device *ladev = to_ladev(dev);
453 return ladev->hwif->setMicMute(state);
456 static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
458 const struct legacy_audio_device *ladev = to_cladev(dev);
459 return ladev->hwif->getMicMute(state);
462 static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
464 struct legacy_audio_device *ladev = to_ladev(dev);
465 return ladev->hwif->setParameters(String8(kvpairs));
468 static char * adev_get_parameters(const struct audio_hw_device *dev,
471 const struct legacy_audio_device *ladev = to_cladev(dev);
474 s8 = ladev->hwif->getParameters(String8(keys));
475 return strdup(s8.string());
478 static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
479 const struct audio_config *config)
481 const struct legacy_audio_device *ladev = to_cladev(dev);
482 return ladev->hwif->getInputBufferSize(config->sample_rate, (int) config->format,
483 audio_channel_count_from_in_mask(config->channel_mask));
486 static int adev_open_output_stream(struct audio_hw_device *dev,
487 audio_io_handle_t handle,
488 audio_devices_t devices,
489 audio_output_flags_t flags,
490 struct audio_config *config,
491 struct audio_stream_out **stream_out,
492 const char *address __unused)
494 struct legacy_audio_device *ladev = to_ladev(dev);
496 struct legacy_stream_out *out;
499 out = (struct legacy_stream_out *)calloc(1, sizeof(*out));
503 devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
505 out->legacy_out = ladev->hwif->openOutputStreamWithFlags(devices, flags,
506 (int *) &config->format,
507 &config->channel_mask,
508 &config->sample_rate, &status);
509 if (!out->legacy_out) {
514 out->stream.common.get_sample_rate = out_get_sample_rate;
515 out->stream.common.set_sample_rate = out_set_sample_rate;
516 out->stream.common.get_buffer_size = out_get_buffer_size;
517 out->stream.common.get_channels = out_get_channels;
518 out->stream.common.get_format = out_get_format;
519 out->stream.common.set_format = out_set_format;
520 out->stream.common.standby = out_standby;
521 out->stream.common.dump = out_dump;
522 out->stream.common.set_parameters = out_set_parameters;
523 out->stream.common.get_parameters = out_get_parameters;
524 out->stream.common.add_audio_effect = out_add_audio_effect;
525 out->stream.common.remove_audio_effect = out_remove_audio_effect;
526 out->stream.get_latency = out_get_latency;
527 out->stream.set_volume = out_set_volume;
528 out->stream.write = out_write;
529 out->stream.get_render_position = out_get_render_position;
530 out->stream.get_next_write_timestamp = out_get_next_write_timestamp;
532 *stream_out = &out->stream;
541 static void adev_close_output_stream(struct audio_hw_device *dev,
542 struct audio_stream_out* stream)
544 struct legacy_audio_device *ladev = to_ladev(dev);
545 struct legacy_stream_out *out = reinterpret_cast<struct legacy_stream_out *>(stream);
547 ladev->hwif->closeOutputStream(out->legacy_out);
551 /** This method creates and opens the audio hardware input stream */
552 static int adev_open_input_stream(struct audio_hw_device *dev,
553 audio_io_handle_t handle,
554 audio_devices_t devices,
555 struct audio_config *config,
556 struct audio_stream_in **stream_in,
557 audio_input_flags_t flags __unused,
558 const char *address __unused,
559 audio_source_t source __unused)
561 struct legacy_audio_device *ladev = to_ladev(dev);
563 struct legacy_stream_in *in;
566 in = (struct legacy_stream_in *)calloc(1, sizeof(*in));
570 devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
572 in->legacy_in = ladev->hwif->openInputStream(devices, (int *) &config->format,
573 &config->channel_mask, &config->sample_rate,
574 &status, (AudioSystem::audio_in_acoustics)0);
575 if (!in->legacy_in) {
580 in->stream.common.get_sample_rate = in_get_sample_rate;
581 in->stream.common.set_sample_rate = in_set_sample_rate;
582 in->stream.common.get_buffer_size = in_get_buffer_size;
583 in->stream.common.get_channels = in_get_channels;
584 in->stream.common.get_format = in_get_format;
585 in->stream.common.set_format = in_set_format;
586 in->stream.common.standby = in_standby;
587 in->stream.common.dump = in_dump;
588 in->stream.common.set_parameters = in_set_parameters;
589 in->stream.common.get_parameters = in_get_parameters;
590 in->stream.common.add_audio_effect = in_add_audio_effect;
591 in->stream.common.remove_audio_effect = in_remove_audio_effect;
592 in->stream.set_gain = in_set_gain;
593 in->stream.read = in_read;
594 in->stream.get_input_frames_lost = in_get_input_frames_lost;
596 *stream_in = &in->stream;
605 static void adev_close_input_stream(struct audio_hw_device *dev,
606 struct audio_stream_in *stream)
608 struct legacy_audio_device *ladev = to_ladev(dev);
609 struct legacy_stream_in *in =
610 reinterpret_cast<struct legacy_stream_in *>(stream);
612 ladev->hwif->closeInputStream(in->legacy_in);
616 static int adev_dump(const struct audio_hw_device *dev, int fd)
618 const struct legacy_audio_device *ladev = to_cladev(dev);
619 Vector<String16> args;
621 return ladev->hwif->dumpState(fd, args);
624 static int legacy_adev_close(hw_device_t* device)
626 struct audio_hw_device *hwdev =
627 reinterpret_cast<struct audio_hw_device *>(device);
628 struct legacy_audio_device *ladev = to_ladev(hwdev);
640 static int legacy_adev_open(const hw_module_t* module, const char* name,
641 hw_device_t** device)
643 struct legacy_audio_device *ladev;
646 if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
649 ladev = (struct legacy_audio_device *)calloc(1, sizeof(*ladev));
653 ladev->device.common.tag = HARDWARE_DEVICE_TAG;
654 ladev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
655 ladev->device.common.module = const_cast<hw_module_t*>(module);
656 ladev->device.common.close = legacy_adev_close;
658 ladev->device.init_check = adev_init_check;
659 ladev->device.set_voice_volume = adev_set_voice_volume;
660 ladev->device.set_master_volume = adev_set_master_volume;
661 ladev->device.get_master_volume = adev_get_master_volume;
662 ladev->device.set_mode = adev_set_mode;
663 ladev->device.set_mic_mute = adev_set_mic_mute;
664 ladev->device.get_mic_mute = adev_get_mic_mute;
665 ladev->device.set_parameters = adev_set_parameters;
666 ladev->device.get_parameters = adev_get_parameters;
667 ladev->device.get_input_buffer_size = adev_get_input_buffer_size;
668 ladev->device.open_output_stream = adev_open_output_stream;
669 ladev->device.close_output_stream = adev_close_output_stream;
670 ladev->device.open_input_stream = adev_open_input_stream;
671 ladev->device.close_input_stream = adev_close_input_stream;
672 ladev->device.dump = adev_dump;
674 ladev->hwif = createAudioHardware();
677 goto err_create_audio_hw;
680 *device = &ladev->device.common;
689 static struct hw_module_methods_t legacy_audio_module_methods = {
690 open: legacy_adev_open
693 struct legacy_audio_module HAL_MODULE_INFO_SYM = {
696 tag: HARDWARE_MODULE_TAG,
697 module_api_version: AUDIO_MODULE_API_VERSION_0_1,
698 hal_api_version: HARDWARE_HAL_API_VERSION,
699 id: AUDIO_HARDWARE_MODULE_ID,
700 name: "LEGACY Audio HW HAL",
701 author: "The Android Open Source Project",
702 methods: &legacy_audio_module_methods,
711 }; // namespace android_audio_legacy