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Code

ASoC: Register the CODEC in WM8727

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2009-12-08 21:50:01 +00:00
parent d207c68dd9
commit cce2e9db71
1 changed files with 49 additions and 17 deletions
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66
sound/soc/codecs/wm8727.c
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@ -44,23 +44,16 @@ struct snd_soc_dai wm8727_dai = {
};
EXPORT_SYMBOL_GPL(wm8727_dai);
static struct snd_soc_codec *wm8727_codec;
static int wm8727_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret = 0;
codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (codec == NULL)
return -ENOMEM;
mutex_init(&codec->mutex);
codec->name = "WM8727";
codec->owner = THIS_MODULE;
codec->dai = &wm8727_dai;
codec->num_dai = 1;
socdev->card->codec = codec;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
BUG_ON(!wm8727_codec);
socdev->card->codec = wm8727_codec;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
@ -80,12 +73,9 @@ pcm_err:
static int wm8727_soc_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
if (codec == NULL)
return 0;
snd_soc_free_pcms(socdev);
kfree(codec);
return 0;
}
@ -98,13 +88,55 @@ EXPORT_SYMBOL_GPL(soc_codec_dev_wm8727);
static __devinit int wm8727_platform_probe(struct platform_device *pdev)
{
struct snd_soc_codec *codec;
int ret;
if (wm8727_codec) {
dev_err(&pdev->dev, "Another WM8727 is registered\n");
return -EBUSY;
}
codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (codec == NULL)
return -ENOMEM;
wm8727_codec = codec;
platform_set_drvdata(pdev, codec);
mutex_init(&codec->mutex);
codec->dev = &pdev->dev;
codec->name = "WM8727";
codec->owner = THIS_MODULE;
codec->dai = &wm8727_dai;
codec->num_dai = 1;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
wm8727_dai.dev = &pdev->dev;
return snd_soc_register_dai(&wm8727_dai);
ret = snd_soc_register_codec(codec);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register CODEC: %d\n", ret);
goto err;
}
ret = snd_soc_register_dai(&wm8727_dai);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register DAI: %d\n", ret);
goto err_codec;
}
err_codec:
snd_soc_unregister_codec(codec);
err:
kfree(codec);
return ret;
}
static int __devexit wm8727_platform_remove(struct platform_device *pdev)
{
snd_soc_unregister_dai(&wm8727_dai);
snd_soc_unregister_codec(platform_get_drvdata(pdev));
return 0;
}