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d42a280d MW |
1 | /* |
2 | * simone.c -- ASoC audio for Simplemachines Sim.One board | |
3 | * | |
4 | * Copyright (c) 2010 Mika Westerberg | |
5 | * | |
6 | * Based on snappercl15 machine driver by Ryan Mallon. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/init.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/platform_device.h> | |
16 | ||
17 | #include <sound/core.h> | |
18 | #include <sound/pcm.h> | |
19 | #include <sound/soc.h> | |
20 | ||
21 | #include <asm/mach-types.h> | |
22 | #include <mach/hardware.h> | |
23 | ||
24 | #include "ep93xx-pcm.h" | |
25 | ||
26 | static struct snd_soc_dai_link simone_dai = { | |
27 | .name = "AC97", | |
28 | .stream_name = "AC97 HiFi", | |
29 | .cpu_dai_name = "ep93xx-ac97", | |
30 | .codec_dai_name = "ac97-hifi", | |
31 | .codec_name = "ac97-codec", | |
32 | .platform_name = "ep93xx-pcm-audio", | |
33 | }; | |
34 | ||
35 | static struct snd_soc_card snd_soc_simone = { | |
36 | .name = "Sim.One", | |
a76a7023 | 37 | .owner = THIS_MODULE, |
d42a280d MW |
38 | .dai_link = &simone_dai, |
39 | .num_links = 1, | |
40 | }; | |
41 | ||
42 | static struct platform_device *simone_snd_ac97_device; | |
d42a280d | 43 | |
5a0a03c5 | 44 | static int __devinit simone_probe(struct platform_device *pdev) |
d42a280d | 45 | { |
5a0a03c5 | 46 | struct snd_soc_card *card = &snd_soc_simone; |
d42a280d MW |
47 | int ret; |
48 | ||
5a0a03c5 MW |
49 | simone_snd_ac97_device = platform_device_register_simple("ac97-codec", |
50 | -1, NULL, 0); | |
51 | if (IS_ERR(simone_snd_ac97_device)) | |
52 | return PTR_ERR(simone_snd_ac97_device); | |
d42a280d | 53 | |
5a0a03c5 | 54 | card->dev = &pdev->dev; |
d42a280d | 55 | |
5a0a03c5 MW |
56 | ret = snd_soc_register_card(card); |
57 | if (ret) { | |
58 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
59 | ret); | |
60 | platform_device_unregister(simone_snd_ac97_device); | |
d42a280d MW |
61 | } |
62 | ||
5a0a03c5 MW |
63 | return ret; |
64 | } | |
65 | ||
66 | static int __devexit simone_remove(struct platform_device *pdev) | |
67 | { | |
68 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
69 | ||
70 | snd_soc_unregister_card(card); | |
71 | platform_device_unregister(simone_snd_ac97_device); | |
d42a280d | 72 | |
14abca3d | 73 | return 0; |
5a0a03c5 | 74 | } |
d42a280d | 75 | |
5a0a03c5 MW |
76 | static struct platform_driver simone_driver = { |
77 | .driver = { | |
78 | .name = "simone-audio", | |
79 | .owner = THIS_MODULE, | |
80 | }, | |
81 | .probe = simone_probe, | |
82 | .remove = __devexit_p(simone_remove), | |
83 | }; | |
84 | ||
ee18f631 | 85 | module_platform_driver(simone_driver); |
d42a280d MW |
86 | |
87 | MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One"); | |
88 | MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>"); | |
89 | MODULE_LICENSE("GPL"); | |
5a0a03c5 | 90 | MODULE_ALIAS("platform:simone-audio"); |