/* 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 #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" 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) { ALOGD("Acoustics close stub called."); return NO_ERROR; } static status_t s_set_params(acoustic_device_t *dev, AudioSystem::audio_in_acoustics acoustics, void *params) { ALOGD("Acoustics set_params stub called with %d.", (int)acoustics); return NO_ERROR; } }