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72 lines
2.0 KiB
72 lines
2.0 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "DevicesFactoryHalLocal"
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//#define LOG_NDEBUG 0
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#include <string.h>
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#include <hardware/audio.h>
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#include <utils/Log.h>
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#include "DeviceHalLocal.h"
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#include "DevicesFactoryHalLocal.h"
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namespace android {
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namespace CPP_VERSION {
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static status_t load_audio_interface(const char *if_name, audio_hw_device_t **dev)
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{
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const hw_module_t *mod;
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int rc;
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rc = hw_get_module_by_class(AUDIO_HARDWARE_MODULE_ID, if_name, &mod);
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if (rc) {
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ALOGE("%s couldn't load audio hw module %s.%s (%s)", __func__,
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AUDIO_HARDWARE_MODULE_ID, if_name, strerror(-rc));
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goto out;
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}
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rc = audio_hw_device_open(mod, dev);
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if (rc) {
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ALOGE("%s couldn't open audio hw device in %s.%s (%s)", __func__,
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AUDIO_HARDWARE_MODULE_ID, if_name, strerror(-rc));
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goto out;
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}
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if ((*dev)->common.version < AUDIO_DEVICE_API_VERSION_MIN) {
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ALOGE("%s wrong audio hw device version %04x", __func__, (*dev)->common.version);
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rc = BAD_VALUE;
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audio_hw_device_close(*dev);
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goto out;
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}
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return OK;
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out:
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*dev = NULL;
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return rc;
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}
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status_t DevicesFactoryHalLocal::openDevice(const char *name, sp<DeviceHalInterface> *device) {
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audio_hw_device_t *dev;
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status_t rc = load_audio_interface(name, &dev);
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if (rc == OK) {
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*device = new DeviceHalLocal(dev);
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}
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return rc;
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}
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} // namespace CPP_VERSION
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} // namespace android
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