ASoC: dapm: Use DAPM mutex for DAPM ops instead of codec mutex
[linux-2.6.git] / sound / soc / pxa / em-x270.c
1 /*
2  * SoC audio driver for EM-X270, eXeda and CM-X300
3  *
4  * Copyright 2007, 2009 CompuLab, Ltd.
5  *
6  * Author: Mike Rapoport <mike@compulab.co.il>
7  *
8  * Copied from tosa.c:
9  * Copyright 2005 Wolfson Microelectronics PLC.
10  * Copyright 2005 Openedhand Ltd.
11  *
12  * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
13  *          Richard Purdie <richard@openedhand.com>
14  *
15  *  This program is free software; you can redistribute  it and/or modify it
16  *  under  the terms of  the GNU General  Public License as published by the
17  *  Free Software Foundation;  either version 2 of the  License, or (at your
18  *  option) any later version.
19  *
20  */
21
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/device.h>
25
26 #include <sound/core.h>
27 #include <sound/pcm.h>
28 #include <sound/soc.h>
29
30 #include <asm/mach-types.h>
31 #include <mach/audio.h>
32
33 #include "../codecs/wm9712.h"
34 #include "pxa2xx-ac97.h"
35
36 static struct snd_soc_dai_link em_x270_dai[] = {
37         {
38                 .name = "AC97",
39                 .stream_name = "AC97 HiFi",
40                 .cpu_dai_name = "pxa2xx-ac97",
41                 .codec_dai_name = "wm9712-hifi",
42                 .platform_name = "pxa-pcm-audio",
43                 .codec_name = "wm9712-codec",
44         },
45         {
46                 .name = "AC97 Aux",
47                 .stream_name = "AC97 Aux",
48                 .cpu_dai_name = "pxa2xx-ac97-aux",
49                 .codec_dai_name ="wm9712-aux",
50                 .platform_name = "pxa-pcm-audio",
51                 .codec_name = "wm9712-codec",
52         },
53 };
54
55 static struct snd_soc_card em_x270 = {
56         .name = "EM-X270",
57         .dai_link = em_x270_dai,
58         .num_links = ARRAY_SIZE(em_x270_dai),
59 };
60
61 static struct platform_device *em_x270_snd_device;
62
63 static int __init em_x270_init(void)
64 {
65         int ret;
66
67         if (!(machine_is_em_x270() || machine_is_exeda()
68               || machine_is_cm_x300()))
69                 return -ENODEV;
70
71         em_x270_snd_device = platform_device_alloc("soc-audio", -1);
72         if (!em_x270_snd_device)
73                 return -ENOMEM;
74
75         platform_set_drvdata(em_x270_snd_device, &em_x270);
76         ret = platform_device_add(em_x270_snd_device);
77
78         if (ret)
79                 platform_device_put(em_x270_snd_device);
80
81         return ret;
82 }
83
84 static void __exit em_x270_exit(void)
85 {
86         platform_device_unregister(em_x270_snd_device);
87 }
88
89 module_init(em_x270_init);
90 module_exit(em_x270_exit);
91
92 /* Module information */
93 MODULE_AUTHOR("Mike Rapoport");
94 MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300");
95 MODULE_LICENSE("GPL");