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authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /sound/soc/codecs/spdif_transciever.c
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'sound/soc/codecs/spdif_transciever.c')
-rw-r--r--sound/soc/codecs/spdif_transciever.c94
1 files changed, 93 insertions, 1 deletions
diff --git a/sound/soc/codecs/spdif_transciever.c b/sound/soc/codecs/spdif_transciever.c
index a6319114105..9119836051a 100644
--- a/sound/soc/codecs/spdif_transciever.c
+++ b/sound/soc/codecs/spdif_transciever.c
@@ -16,8 +16,10 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/pcm.h>
+#include <sound/initval.h>
#include "spdif_transciever.h"
@@ -26,6 +28,48 @@ MODULE_LICENSE("GPL");
#define STUB_RATES SNDRV_PCM_RATE_8000_96000
#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+static struct snd_soc_codec *spdif_dit_codec;
+
+static int spdif_dit_codec_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret;
+
+ if (spdif_dit_codec == NULL) {
+ dev_err(&pdev->dev, "Codec device not registered\n");
+ return -ENODEV;
+ }
+
+ socdev->card->codec = spdif_dit_codec;
+ codec = spdif_dit_codec;
+
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to create pcms: %d\n", ret);
+ goto err_create_pcms;
+ }
+
+ return 0;
+
+err_create_pcms:
+ return ret;
+}
+
+static int spdif_dit_codec_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+
+ snd_soc_free_pcms(socdev);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_spdif_dit = {
+ .probe = spdif_dit_codec_probe,
+ .remove = spdif_dit_codec_remove,
+}; EXPORT_SYMBOL_GPL(soc_codec_dev_spdif_dit);
+
struct snd_soc_dai dit_stub_dai = {
.name = "DIT",
.playback = {
@@ -40,13 +84,61 @@ EXPORT_SYMBOL_GPL(dit_stub_dai);
static int spdif_dit_probe(struct platform_device *pdev)
{
+ struct snd_soc_codec *codec;
+ int ret;
+
+ if (spdif_dit_codec) {
+ dev_err(&pdev->dev, "Another Codec is registered\n");
+ ret = -EINVAL;
+ goto err_reg_codec;
+ }
+
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ codec->dev = &pdev->dev;
+
+ mutex_init(&codec->mutex);
+
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ codec->name = "spdif-dit";
+ codec->owner = THIS_MODULE;
+ codec->dai = &dit_stub_dai;
+ codec->num_dai = 1;
+
+ spdif_dit_codec = codec;
+
+ ret = snd_soc_register_codec(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ goto err_reg_codec;
+ }
+
dit_stub_dai.dev = &pdev->dev;
- return snd_soc_register_dai(&dit_stub_dai);
+ ret = snd_soc_register_dai(&dit_stub_dai);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to register dai: %d\n", ret);
+ goto err_reg_dai;
+ }
+
+ return 0;
+
+err_reg_dai:
+ snd_soc_unregister_codec(codec);
+err_reg_codec:
+ kfree(spdif_dit_codec);
+ return ret;
}
static int spdif_dit_remove(struct platform_device *pdev)
{
snd_soc_unregister_dai(&dit_stub_dai);
+ snd_soc_unregister_codec(spdif_dit_codec);
+ kfree(spdif_dit_codec);
+ spdif_dit_codec = NULL;
return 0;
}