146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*
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* Copyright (C) 2015 The CyanogenMod 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 "amplifier_default"
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//#define LOG_NDEBUG 0
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#include <stdint.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <cutils/log.h>
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#include <cutils/str_parms.h>
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#include <hardware/audio_amplifier.h>
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#include <hardware/hardware.h>
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static int amp_set_input_devices(amplifier_device_t *device, uint32_t devices)
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{
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return 0;
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}
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static int amp_set_output_devices(amplifier_device_t *device, uint32_t devices)
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{
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return 0;
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}
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static int amp_enable_output_devices(amplifier_device_t *device,
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uint32_t devices, bool enable)
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{
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return 0;
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}
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static int amp_enable_input_devices(amplifier_device_t *device,
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uint32_t devices, bool enable)
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{
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return 0;
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}
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static int amp_set_mode(amplifier_device_t *device, audio_mode_t mode)
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{
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return 0;
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}
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static int amp_output_stream_start(amplifier_device_t *device,
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struct audio_stream_out *stream, bool offload)
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{
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return 0;
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}
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static int amp_input_stream_start(amplifier_device_t *device,
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struct audio_stream_in *stream)
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{
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return 0;
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}
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static int amp_output_stream_standby(amplifier_device_t *device,
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struct audio_stream_out *stream)
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{
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return 0;
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}
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static int amp_input_stream_standby(amplifier_device_t *device,
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struct audio_stream_in *stream)
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{
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return 0;
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}
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static int amp_set_parameters(struct amplifier_device *device,
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struct str_parms *parms)
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{
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return 0;
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}
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static int amp_dev_close(hw_device_t *device)
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{
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if (device)
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free(device);
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return 0;
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}
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static int amp_module_open(const hw_module_t *module, const char *name,
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hw_device_t **device)
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{
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if (strcmp(name, AMPLIFIER_HARDWARE_INTERFACE)) {
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ALOGE("%s:%d: %s does not match amplifier hardware interface name\n",
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__func__, __LINE__, name);
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return -ENODEV;
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}
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amplifier_device_t *amp_dev = calloc(1, sizeof(amplifier_device_t));
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if (!amp_dev) {
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ALOGE("%s:%d: Unable to allocate memory for amplifier device\n",
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__func__, __LINE__);
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return -ENOMEM;
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}
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amp_dev->common.tag = HARDWARE_DEVICE_TAG;
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amp_dev->common.module = (hw_module_t *) module;
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amp_dev->common.version = HARDWARE_DEVICE_API_VERSION(1, 0);
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amp_dev->common.close = amp_dev_close;
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amp_dev->set_input_devices = amp_set_input_devices;
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amp_dev->set_output_devices = amp_set_output_devices;
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amp_dev->enable_output_devices = amp_enable_output_devices;
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amp_dev->enable_input_devices = amp_enable_input_devices;
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amp_dev->set_mode = amp_set_mode;
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amp_dev->output_stream_start = amp_output_stream_start;
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amp_dev->input_stream_start = amp_input_stream_start;
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amp_dev->output_stream_standby = amp_output_stream_standby;
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amp_dev->input_stream_standby = amp_input_stream_standby;
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amp_dev->set_parameters = amp_set_parameters;
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*device = (hw_device_t *) amp_dev;
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return 0;
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}
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static struct hw_module_methods_t hal_module_methods = {
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.open = amp_module_open,
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};
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amplifier_module_t HAL_MODULE_INFO_SYM = {
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.common = {
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.tag = HARDWARE_MODULE_TAG,
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.module_api_version = AMPLIFIER_MODULE_API_VERSION_0_1,
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.hal_api_version = HARDWARE_HAL_API_VERSION,
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.id = AMPLIFIER_HARDWARE_MODULE_ID,
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.name = "Default audio amplifier HAL",
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.author = "The CyanogenMod Open Source Project",
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.methods = &hal_module_methods,
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},
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};
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