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/* acoustics_default.cpp
**
** Copyright 2009 Wind River Systems
**
** 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 "AcousticsModule"
#include <utils/Log.h>
#include "AudioHardwareALSA.h"
namespace android
{
static int s_device_open(const hw_module_t*, const char*, hw_device_t**);
static int s_device_close(hw_device_t*);
static status_t s_use_handle(acoustic_device_t *, alsa_handle_t *);
static status_t s_cleanup(acoustic_device_t *);
static status_t s_set_params(acoustic_device_t *,
AudioSystem::audio_in_acoustics, void *params);
static hw_module_methods_t s_module_methods = {
open : s_device_open
};
extern "C" const hw_module_t HAL_MODULE_INFO_SYM = {
tag : HARDWARE_MODULE_TAG,
version_major : 1,
version_minor : 0,
id : ACOUSTICS_HARDWARE_MODULE_ID,
name : "ALSA acoustics module",
author : "Wind River",
methods : &s_module_methods,
dso : 0,
reserved : { 0, },
};
static int s_device_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
acoustic_device_t *dev;
dev = (acoustic_device_t *) malloc(sizeof(*dev));
if (!dev) return -ENOMEM;
memset(dev, 0, sizeof(*dev));
/* initialize the procs */
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = 0;
dev->common.module = (hw_module_t *) module;
dev->common.close = s_device_close;
// Required methods...
dev->use_handle = s_use_handle;
dev->cleanup = s_cleanup;
dev->set_params = s_set_params;
// read, write, and recover are optional methods...
*device = &dev->common;
return 0;
}
static int s_device_close(hw_device_t* device)
{
free(device);
return 0;
}
static status_t s_use_handle(acoustic_device_t *dev, alsa_handle_t *h)
{
return NO_ERROR;
}
static status_t s_cleanup(acoustic_device_t *dev)
{
LOGD("Acoustics close stub called.");
return NO_ERROR;
}
static status_t s_set_params(acoustic_device_t *dev,
AudioSystem::audio_in_acoustics acoustics, void *params)
{
LOGD("Acoustics set_params stub called with %d.", (int)acoustics);
return NO_ERROR;
}
}
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