blob: 07d735d2796d0e8245fcd92adfcb113a0a14f298 [file] [log] [blame]
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "legacy_audio_hw_hal"
//#define LOG_NDEBUG 0
#include <stdint.h>
#include <hardware/hardware.h>
#include <system/audio.h>
#include <hardware/audio.h>
#include <hardware_legacy/AudioHardwareInterface.h>
#include <hardware_legacy/AudioSystemLegacy.h>
namespace android_audio_legacy {
extern "C" {
struct legacy_audio_module {
struct audio_module module;
};
struct legacy_audio_device {
struct audio_hw_device device;
struct AudioHardwareInterface *hwif;
};
struct legacy_stream_out {
struct audio_stream_out stream;
AudioStreamOut *legacy_out;
};
struct legacy_stream_in {
struct audio_stream_in stream;
AudioStreamIn *legacy_in;
};
enum {
HAL_API_REV_1_0,
HAL_API_REV_2_0,
HAL_API_REV_NUM
} hal_api_rev;
static uint32_t audio_device_conv_table[][HAL_API_REV_NUM] =
{
/* output devices */
{ AudioSystem::DEVICE_OUT_EARPIECE, AUDIO_DEVICE_OUT_EARPIECE },
{ AudioSystem::DEVICE_OUT_SPEAKER, AUDIO_DEVICE_OUT_SPEAKER },
{ AudioSystem::DEVICE_OUT_WIRED_HEADSET, AUDIO_DEVICE_OUT_WIRED_HEADSET },
{ AudioSystem::DEVICE_OUT_WIRED_HEADPHONE, AUDIO_DEVICE_OUT_WIRED_HEADPHONE },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO, AUDIO_DEVICE_OUT_BLUETOOTH_SCO },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES },
{ AudioSystem::DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER },
{ AudioSystem::DEVICE_OUT_AUX_DIGITAL, AUDIO_DEVICE_OUT_AUX_DIGITAL },
{ AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET },
{ AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET },
{ AudioSystem::DEVICE_OUT_DEFAULT, AUDIO_DEVICE_OUT_DEFAULT },
/* input devices */
{ AudioSystem::DEVICE_IN_COMMUNICATION, AUDIO_DEVICE_IN_COMMUNICATION },
{ AudioSystem::DEVICE_IN_AMBIENT, AUDIO_DEVICE_IN_AMBIENT },
{ AudioSystem::DEVICE_IN_BUILTIN_MIC, AUDIO_DEVICE_IN_BUILTIN_MIC },
{ AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET },
{ AudioSystem::DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_IN_WIRED_HEADSET },
{ AudioSystem::DEVICE_IN_AUX_DIGITAL, AUDIO_DEVICE_IN_AUX_DIGITAL },
{ AudioSystem::DEVICE_IN_VOICE_CALL, AUDIO_DEVICE_IN_VOICE_CALL },
{ AudioSystem::DEVICE_IN_BACK_MIC, AUDIO_DEVICE_IN_BACK_MIC },
{ AudioSystem::DEVICE_IN_DEFAULT, AUDIO_DEVICE_IN_DEFAULT },
};
static uint32_t convert_audio_device(uint32_t from_device, int from_rev, int to_rev)
{
const uint32_t k_num_devices = sizeof(audio_device_conv_table)/sizeof(uint32_t)/HAL_API_REV_NUM;
uint32_t to_device = AUDIO_DEVICE_NONE;
uint32_t in_bit = 0;
if (from_rev != HAL_API_REV_1_0) {
in_bit = from_device & AUDIO_DEVICE_BIT_IN;
from_device &= ~AUDIO_DEVICE_BIT_IN;
}
while (from_device) {
uint32_t i = 31 - __builtin_clz(from_device);
uint32_t cur_device = (1 << i) | in_bit;
for (i = 0; i < k_num_devices; i++) {
if (audio_device_conv_table[i][from_rev] == cur_device) {
to_device |= audio_device_conv_table[i][to_rev];
break;
}
}
from_device &= ~cur_device;
}
return to_device;
}
/** audio_stream_out implementation **/
static uint32_t out_get_sample_rate(const struct audio_stream *stream)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return out->legacy_out->sampleRate();
}
static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
/* TODO: implement this */
return 0;
}
static size_t out_get_buffer_size(const struct audio_stream *stream)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return out->legacy_out->bufferSize();
}
static audio_channel_mask_t out_get_channels(const struct audio_stream *stream)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return (audio_channel_mask_t) out->legacy_out->channels();
}
static audio_format_t out_get_format(const struct audio_stream *stream)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
// legacy API, don't change return type
return (audio_format_t) out->legacy_out->format();
}
static int out_set_format(struct audio_stream *stream, audio_format_t format)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
/* TODO: implement me */
return 0;
}
static int out_standby(struct audio_stream *stream)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
return out->legacy_out->standby();
}
static int out_dump(const struct audio_stream *stream, int fd)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
Vector<String16> args;
return out->legacy_out->dump(fd, args);
}
static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
int val;
String8 s8 = String8(kvpairs);
AudioParameter parms = AudioParameter(String8(kvpairs));
if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
s8 = parms.toString();
}
return out->legacy_out->setParameters(s8);
}
static char * out_get_parameters(const struct audio_stream *stream, const char *keys)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
String8 s8;
int val;
s8 = out->legacy_out->getParameters(String8(keys));
AudioParameter parms = AudioParameter(s8);
if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
s8 = parms.toString();
}
return strdup(s8.string());
}
static uint32_t out_get_latency(const struct audio_stream_out *stream)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return out->legacy_out->latency();
}
static int out_set_volume(struct audio_stream_out *stream, float left,
float right)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
return out->legacy_out->setVolume(left, right);
}
static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
size_t bytes)
{
struct legacy_stream_out *out =
reinterpret_cast<struct legacy_stream_out *>(stream);
return out->legacy_out->write(buffer, bytes);
}
static int out_get_render_position(const struct audio_stream_out *stream,
uint32_t *dsp_frames)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return out->legacy_out->getRenderPosition(dsp_frames);
}
static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
int64_t *timestamp)
{
const struct legacy_stream_out *out =
reinterpret_cast<const struct legacy_stream_out *>(stream);
return out->legacy_out->getNextWriteTimestamp(timestamp);
}
static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
/** audio_stream_in implementation **/
static uint32_t in_get_sample_rate(const struct audio_stream *stream)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
return in->legacy_in->sampleRate();
}
static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
/* TODO: implement this */
return 0;
}
static size_t in_get_buffer_size(const struct audio_stream *stream)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
return in->legacy_in->bufferSize();
}
static audio_channel_mask_t in_get_channels(const struct audio_stream *stream)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
return (audio_channel_mask_t) in->legacy_in->channels();
}
static audio_format_t in_get_format(const struct audio_stream *stream)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
// legacy API, don't change return type
return (audio_format_t) in->legacy_in->format();
}
static int in_set_format(struct audio_stream *stream, audio_format_t format)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
ALOGE("(%s:%d) %s: Implement me!", __FILE__, __LINE__, __func__);
/* TODO: implement me */
return 0;
}
static int in_standby(struct audio_stream *stream)
{
struct legacy_stream_in *in = reinterpret_cast<struct legacy_stream_in *>(stream);
return in->legacy_in->standby();
}
static int in_dump(const struct audio_stream *stream, int fd)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
Vector<String16> args;
return in->legacy_in->dump(fd, args);
}
static int in_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
int val;
AudioParameter parms = AudioParameter(String8(kvpairs));
String8 s8 = String8(kvpairs);
if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
val = convert_audio_device(val, HAL_API_REV_2_0, HAL_API_REV_1_0);
parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
s8 = parms.toString();
}
return in->legacy_in->setParameters(s8);
}
static char * in_get_parameters(const struct audio_stream *stream,
const char *keys)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
String8 s8;
int val;
s8 = in->legacy_in->getParameters(String8(keys));
AudioParameter parms = AudioParameter(s8);
if (parms.getInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val) == NO_ERROR) {
val = convert_audio_device(val, HAL_API_REV_1_0, HAL_API_REV_2_0);
parms.remove(String8(AUDIO_PARAMETER_STREAM_ROUTING));
parms.addInt(String8(AUDIO_PARAMETER_STREAM_ROUTING), val);
s8 = parms.toString();
}
return strdup(s8.string());
}
static int in_set_gain(struct audio_stream_in *stream, float gain)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
return in->legacy_in->setGain(gain);
}
static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
size_t bytes)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
return in->legacy_in->read(buffer, bytes);
}
static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
{
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
return in->legacy_in->getInputFramesLost();
}
static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
return in->legacy_in->addAudioEffect(effect);
}
static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
const struct legacy_stream_in *in =
reinterpret_cast<const struct legacy_stream_in *>(stream);
return in->legacy_in->removeAudioEffect(effect);
}
/** audio_hw_device implementation **/
static inline struct legacy_audio_device * to_ladev(struct audio_hw_device *dev)
{
return reinterpret_cast<struct legacy_audio_device *>(dev);
}
static inline const struct legacy_audio_device * to_cladev(const struct audio_hw_device *dev)
{
return reinterpret_cast<const struct legacy_audio_device *>(dev);
}
static int adev_init_check(const struct audio_hw_device *dev)
{
const struct legacy_audio_device *ladev = to_cladev(dev);
return ladev->hwif->initCheck();
}
static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
{
struct legacy_audio_device *ladev = to_ladev(dev);
return ladev->hwif->setVoiceVolume(volume);
}
static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
{
struct legacy_audio_device *ladev = to_ladev(dev);
return ladev->hwif->setMasterVolume(volume);
}
static int adev_get_master_volume(struct audio_hw_device *dev, float* volume)
{
struct legacy_audio_device *ladev = to_ladev(dev);
return ladev->hwif->getMasterVolume(volume);
}
static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
{
struct legacy_audio_device *ladev = to_ladev(dev);
// as this is the legacy API, don't change it to use audio_mode_t instead of int
return ladev->hwif->setMode((int) mode);
}
static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
{
struct legacy_audio_device *ladev = to_ladev(dev);
return ladev->hwif->setMicMute(state);
}
static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
{
const struct legacy_audio_device *ladev = to_cladev(dev);
return ladev->hwif->getMicMute(state);
}
static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
{
struct legacy_audio_device *ladev = to_ladev(dev);
return ladev->hwif->setParameters(String8(kvpairs));
}
static char * adev_get_parameters(const struct audio_hw_device *dev,
const char *keys)
{
const struct legacy_audio_device *ladev = to_cladev(dev);
String8 s8;
s8 = ladev->hwif->getParameters(String8(keys));
return strdup(s8.string());
}
static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
const struct audio_config *config)
{
const struct legacy_audio_device *ladev = to_cladev(dev);
return ladev->hwif->getInputBufferSize(config->sample_rate, (int) config->format,
popcount(config->channel_mask));
}
static int adev_open_output_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
audio_output_flags_t flags,
struct audio_config *config,
struct audio_stream_out **stream_out)
{
struct legacy_audio_device *ladev = to_ladev(dev);
status_t status;
struct legacy_stream_out *out;
int ret;
out = (struct legacy_stream_out *)calloc(1, sizeof(*out));
if (!out)
return -ENOMEM;
devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
out->legacy_out = ladev->hwif->openOutputStream(devices, (int *) &config->format,
&config->channel_mask,
&config->sample_rate, &status);
if (!out->legacy_out) {
ret = status;
goto err_open;
}
out->stream.common.get_sample_rate = out_get_sample_rate;
out->stream.common.set_sample_rate = out_set_sample_rate;
out->stream.common.get_buffer_size = out_get_buffer_size;
out->stream.common.get_channels = out_get_channels;
out->stream.common.get_format = out_get_format;
out->stream.common.set_format = out_set_format;
out->stream.common.standby = out_standby;
out->stream.common.dump = out_dump;
out->stream.common.set_parameters = out_set_parameters;
out->stream.common.get_parameters = out_get_parameters;
out->stream.common.add_audio_effect = out_add_audio_effect;
out->stream.common.remove_audio_effect = out_remove_audio_effect;
out->stream.get_latency = out_get_latency;
out->stream.set_volume = out_set_volume;
out->stream.write = out_write;
out->stream.get_render_position = out_get_render_position;
out->stream.get_next_write_timestamp = out_get_next_write_timestamp;
*stream_out = &out->stream;
return 0;
err_open:
free(out);
*stream_out = NULL;
return ret;
}
static void adev_close_output_stream(struct audio_hw_device *dev,
struct audio_stream_out* stream)
{
struct legacy_audio_device *ladev = to_ladev(dev);
struct legacy_stream_out *out = reinterpret_cast<struct legacy_stream_out *>(stream);
ladev->hwif->closeOutputStream(out->legacy_out);
free(out);
}
/** This method creates and opens the audio hardware input stream */
static int adev_open_input_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
struct audio_config *config,
struct audio_stream_in **stream_in)
{
struct legacy_audio_device *ladev = to_ladev(dev);
status_t status;
struct legacy_stream_in *in;
int ret;
in = (struct legacy_stream_in *)calloc(1, sizeof(*in));
if (!in)
return -ENOMEM;
devices = convert_audio_device(devices, HAL_API_REV_2_0, HAL_API_REV_1_0);
in->legacy_in = ladev->hwif->openInputStream(devices, (int *) &config->format,
&config->channel_mask, &config->sample_rate,
&status, (AudioSystem::audio_in_acoustics)0);
if (!in->legacy_in) {
ret = status;
goto err_open;
}
in->stream.common.get_sample_rate = in_get_sample_rate;
in->stream.common.set_sample_rate = in_set_sample_rate;
in->stream.common.get_buffer_size = in_get_buffer_size;
in->stream.common.get_channels = in_get_channels;
in->stream.common.get_format = in_get_format;
in->stream.common.set_format = in_set_format;
in->stream.common.standby = in_standby;
in->stream.common.dump = in_dump;
in->stream.common.set_parameters = in_set_parameters;
in->stream.common.get_parameters = in_get_parameters;
in->stream.common.add_audio_effect = in_add_audio_effect;
in->stream.common.remove_audio_effect = in_remove_audio_effect;
in->stream.set_gain = in_set_gain;
in->stream.read = in_read;
in->stream.get_input_frames_lost = in_get_input_frames_lost;
*stream_in = &in->stream;
return 0;
err_open:
free(in);
*stream_in = NULL;
return ret;
}
static void adev_close_input_stream(struct audio_hw_device *dev,
struct audio_stream_in *stream)
{
struct legacy_audio_device *ladev = to_ladev(dev);
struct legacy_stream_in *in =
reinterpret_cast<struct legacy_stream_in *>(stream);
ladev->hwif->closeInputStream(in->legacy_in);
free(in);
}
static int adev_dump(const struct audio_hw_device *dev, int fd)
{
const struct legacy_audio_device *ladev = to_cladev(dev);
Vector<String16> args;
return ladev->hwif->dumpState(fd, args);
}
static int legacy_adev_close(hw_device_t* device)
{
struct audio_hw_device *hwdev =
reinterpret_cast<struct audio_hw_device *>(device);
struct legacy_audio_device *ladev = to_ladev(hwdev);
if (!ladev)
return 0;
if (ladev->hwif)
delete ladev->hwif;
free(ladev);
return 0;
}
static int legacy_adev_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
struct legacy_audio_device *ladev;
int ret;
if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
return -EINVAL;
ladev = (struct legacy_audio_device *)calloc(1, sizeof(*ladev));
if (!ladev)
return -ENOMEM;
ladev->device.common.tag = HARDWARE_DEVICE_TAG;
ladev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
ladev->device.common.module = const_cast<hw_module_t*>(module);
ladev->device.common.close = legacy_adev_close;
ladev->device.init_check = adev_init_check;
ladev->device.set_voice_volume = adev_set_voice_volume;
ladev->device.set_master_volume = adev_set_master_volume;
ladev->device.get_master_volume = adev_get_master_volume;
ladev->device.set_mode = adev_set_mode;
ladev->device.set_mic_mute = adev_set_mic_mute;
ladev->device.get_mic_mute = adev_get_mic_mute;
ladev->device.set_parameters = adev_set_parameters;
ladev->device.get_parameters = adev_get_parameters;
ladev->device.get_input_buffer_size = adev_get_input_buffer_size;
ladev->device.open_output_stream = adev_open_output_stream;
ladev->device.close_output_stream = adev_close_output_stream;
ladev->device.open_input_stream = adev_open_input_stream;
ladev->device.close_input_stream = adev_close_input_stream;
ladev->device.dump = adev_dump;
ladev->hwif = createAudioHardware();
if (!ladev->hwif) {
ret = -EIO;
goto err_create_audio_hw;
}
*device = &ladev->device.common;
return 0;
err_create_audio_hw:
free(ladev);
return ret;
}
static struct hw_module_methods_t legacy_audio_module_methods = {
open: legacy_adev_open
};
struct legacy_audio_module HAL_MODULE_INFO_SYM = {
module: {
common: {
tag: HARDWARE_MODULE_TAG,
module_api_version: AUDIO_MODULE_API_VERSION_0_1,
hal_api_version: HARDWARE_HAL_API_VERSION,
id: AUDIO_HARDWARE_MODULE_ID,
name: "LEGACY Audio HW HAL",
author: "The Android Open Source Project",
methods: &legacy_audio_module_methods,
dso : NULL,
reserved : {0},
},
},
};
}; // extern "C"
}; // namespace android_audio_legacy