1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* Copyright (C) 2015 The CyanogenMod 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 "amplifier_default"
//#define LOG_NDEBUG 0
#include <stdint.h>
#include <sys/types.h>
#include <cutils/log.h>
#include <hardware/audio_amplifier.h>
#include <hardware/hardware.h>
static int amp_set_input_devices(amplifier_device_t *device, uint32_t devices)
{
return 0;
}
static int amp_set_output_devices(amplifier_device_t *device, uint32_t devices)
{
return 0;
}
static int amp_set_mode(amplifier_device_t *device, audio_mode_t mode)
{
return 0;
}
static int amp_output_stream_start(amplifier_device_t *device,
struct audio_stream_out *stream, bool offload)
{
return 0;
}
static int amp_input_stream_start(amplifier_device_t *device,
struct audio_stream_in *stream)
{
return 0;
}
static int amp_output_stream_standby(amplifier_device_t *device,
struct audio_stream_out *stream)
{
return 0;
}
static int amp_input_stream_standby(amplifier_device_t *device,
struct audio_stream_in *stream)
{
return 0;
}
static int amp_dev_close(hw_device_t *device)
{
if (device)
free(device);
return 0;
}
static int amp_module_open(const hw_module_t *module, const char *name,
hw_device_t **device)
{
if (strcmp(name, AMPLIFIER_HARDWARE_INTERFACE)) {
ALOGE("%s:%d: %s does not match amplifier hardware interface name\n",
__func__, __LINE__, name);
return -ENODEV;
}
amplifier_device_t *amp_dev = calloc(1, sizeof(amplifier_device_t));
if (!amp_dev) {
ALOGE("%s:%d: Unable to allocate memory for amplifier device\n",
__func__, __LINE__);
return -ENOMEM;
}
amp_dev->common.tag = HARDWARE_DEVICE_TAG;
amp_dev->common.module = (hw_module_t *) module;
amp_dev->common.version = HARDWARE_DEVICE_API_VERSION(1, 0);
amp_dev->common.close = amp_dev_close;
amp_dev->set_input_devices = amp_set_input_devices;
amp_dev->set_output_devices = amp_set_output_devices;
amp_dev->set_mode = amp_set_mode;
amp_dev->output_stream_start = amp_output_stream_start;
amp_dev->input_stream_start = amp_input_stream_start;
amp_dev->output_stream_standby = amp_output_stream_standby;
amp_dev->input_stream_standby = amp_input_stream_standby;
*device = (hw_device_t *) amp_dev;
return 0;
}
static struct hw_module_methods_t hal_module_methods = {
.open = amp_module_open,
};
amplifier_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = AMPLIFIER_MODULE_API_VERSION_0_1,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = AMPLIFIER_HARDWARE_MODULE_ID,
.name = "Default audio amplifier HAL",
.author = "The CyanogenMod Open Source Project",
.methods = &hal_module_methods,
},
};
|
