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path: root/sound/soc/codecs/spdif_transciever.c
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Diffstat (limited to 'sound/soc/codecs/spdif_transciever.c')
-rw-r--r--sound/soc/codecs/spdif_transciever.c102
1 files changed, 6 insertions, 96 deletions
diff --git a/sound/soc/codecs/spdif_transciever.c b/sound/soc/codecs/spdif_transciever.c
index 9119836051a4..4c32b54913ad 100644
--- a/sound/soc/codecs/spdif_transciever.c
+++ b/sound/soc/codecs/spdif_transciever.c
@@ -21,57 +21,16 @@
21#include <sound/pcm.h> 21#include <sound/pcm.h>
22#include <sound/initval.h> 22#include <sound/initval.h>
23 23
24#include "spdif_transciever.h"
25
26MODULE_LICENSE("GPL"); 24MODULE_LICENSE("GPL");
27 25
28#define STUB_RATES SNDRV_PCM_RATE_8000_96000 26#define STUB_RATES SNDRV_PCM_RATE_8000_96000
29#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE 27#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
30 28
31static struct snd_soc_codec *spdif_dit_codec;
32
33static int spdif_dit_codec_probe(struct platform_device *pdev)
34{
35 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
36 struct snd_soc_codec *codec;
37 int ret;
38
39 if (spdif_dit_codec == NULL) {
40 dev_err(&pdev->dev, "Codec device not registered\n");
41 return -ENODEV;
42 }
43
44 socdev->card->codec = spdif_dit_codec;
45 codec = spdif_dit_codec;
46
47 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
48 if (ret < 0) {
49 dev_err(codec->dev, "failed to create pcms: %d\n", ret);
50 goto err_create_pcms;
51 }
52
53 return 0;
54
55err_create_pcms:
56 return ret;
57}
58
59static int spdif_dit_codec_remove(struct platform_device *pdev)
60{
61 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
62
63 snd_soc_free_pcms(socdev);
64
65 return 0;
66}
67 29
68struct snd_soc_codec_device soc_codec_dev_spdif_dit = { 30static struct snd_soc_codec_driver soc_codec_spdif_dit;
69 .probe = spdif_dit_codec_probe,
70 .remove = spdif_dit_codec_remove,
71}; EXPORT_SYMBOL_GPL(soc_codec_dev_spdif_dit);
72 31
73struct snd_soc_dai dit_stub_dai = { 32static struct snd_soc_dai_driver dit_stub_dai = {
74 .name = "DIT", 33 .name = "dit-hifi",
75 .playback = { 34 .playback = {
76 .stream_name = "Playback", 35 .stream_name = "Playback",
77 .channels_min = 1, 36 .channels_min = 1,
@@ -80,65 +39,16 @@ struct snd_soc_dai dit_stub_dai = {
80 .formats = STUB_FORMATS, 39 .formats = STUB_FORMATS,
81 }, 40 },
82}; 41};
83EXPORT_SYMBOL_GPL(dit_stub_dai);
84 42
85static int spdif_dit_probe(struct platform_device *pdev) 43static int spdif_dit_probe(struct platform_device *pdev)
86{ 44{
87 struct snd_soc_codec *codec; 45 return snd_soc_register_codec(&pdev->dev, &soc_codec_spdif_dit,
88 int ret; 46 &dit_stub_dai, 1);
89
90 if (spdif_dit_codec) {
91 dev_err(&pdev->dev, "Another Codec is registered\n");
92 ret = -EINVAL;
93 goto err_reg_codec;
94 }
95
96 codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
97 if (codec == NULL)
98 return -ENOMEM;
99
100 codec->dev = &pdev->dev;
101
102 mutex_init(&codec->mutex);
103
104 INIT_LIST_HEAD(&codec->dapm_widgets);
105 INIT_LIST_HEAD(&codec->dapm_paths);
106
107 codec->name = "spdif-dit";
108 codec->owner = THIS_MODULE;
109 codec->dai = &dit_stub_dai;
110 codec->num_dai = 1;
111
112 spdif_dit_codec = codec;
113
114 ret = snd_soc_register_codec(codec);
115 if (ret < 0) {
116 dev_err(codec->dev, "Failed to register codec: %d\n", ret);
117 goto err_reg_codec;
118 }
119
120 dit_stub_dai.dev = &pdev->dev;
121 ret = snd_soc_register_dai(&dit_stub_dai);
122 if (ret < 0) {
123 dev_err(codec->dev, "Failed to register dai: %d\n", ret);
124 goto err_reg_dai;
125 }
126
127 return 0;
128
129err_reg_dai:
130 snd_soc_unregister_codec(codec);
131err_reg_codec:
132 kfree(spdif_dit_codec);
133 return ret;
134} 47}
135 48
136static int spdif_dit_remove(struct platform_device *pdev) 49static int spdif_dit_remove(struct platform_device *pdev)
137{ 50{
138 snd_soc_unregister_dai(&dit_stub_dai); 51 snd_soc_unregister_codec(&pdev->dev);
139 snd_soc_unregister_codec(spdif_dit_codec);
140 kfree(spdif_dit_codec);
141 spdif_dit_codec = NULL;
142 return 0; 52 return 0;
143} 53}
144 54