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
|
/*
* em-x270.c -- SoC audio for EM-X270
*
* Copyright 2007 CompuLab, Ltd.
*
* Author: Mike Rapoport <mike@compulab.co.il>
*
* Copied from tosa.c:
* Copyright 2005 Wolfson Microelectronics PLC.
* Copyright 2005 Openedhand Ltd.
*
* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
* Richard Purdie <richard@openedhand.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
#include <mach/audio.h>
#include "../codecs/wm9712.h"
#include "pxa2xx-pcm.h"
#include "pxa2xx-ac97.h"
static struct snd_soc_dai_link em_x270_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
},
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
},
};
static struct snd_soc_card em_x270 = {
.name = "EM-X270",
.platform = &pxa2xx_soc_platform,
.dai_link = em_x270_dai,
.num_links = ARRAY_SIZE(em_x270_dai),
};
static struct snd_soc_device em_x270_snd_devdata = {
.card = &em_x270,
.codec_dev = &soc_codec_dev_wm9712,
};
static struct platform_device *em_x270_snd_device;
static int __init em_x270_init(void)
{
int ret;
if (!machine_is_em_x270())
return -ENODEV;
em_x270_snd_device = platform_device_alloc("soc-audio", -1);
if (!em_x270_snd_device)
return -ENOMEM;
platform_set_drvdata(em_x270_snd_device, &em_x270_snd_devdata);
em_x270_snd_devdata.dev = &em_x270_snd_device->dev;
ret = platform_device_add(em_x270_snd_device);
if (ret)
platform_device_put(em_x270_snd_device);
return ret;
}
static void __exit em_x270_exit(void)
{
platform_device_unregister(em_x270_snd_device);
}
module_init(em_x270_init);
module_exit(em_x270_exit);
/* Module information */
MODULE_AUTHOR("Mike Rapoport");
MODULE_DESCRIPTION("ALSA SoC EM-X270");
MODULE_LICENSE("GPL");
|
