ASoC: multi-component - ASoC Multi-Component Support

[mcf548x/linux.git] / sound / soc / codecs / wm9705.c

diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c
index 8793341849d1bafdc2e13f1c7564bd655cf440fe..e4d8f5339c51e2ad5cc887fdcfe3e3d8a884be79 100644 (file)
--- a/sound/soc/codecs/wm9705.c
+++ b/sound/soc/codecs/wm9705.c
@@ -248,8 +248,7 @@ static int ac97_prepare(struct snd_pcm_substream *substream,
 {
        struct snd_pcm_runtime *runtime = substream->runtime;
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-       struct snd_soc_device *socdev = rtd->socdev;
-       struct snd_soc_codec *codec = socdev->card->codec;
+       struct snd_soc_codec *codec = rtd->codec;
        int reg;
        u16 vra;
 
@@ -273,9 +272,9 @@ static struct snd_soc_dai_ops wm9705_dai_ops = {
        .prepare        = ac97_prepare,
 };
 
-struct snd_soc_dai wm9705_dai[] = {
+static struct snd_soc_dai_driver wm9705_dai[] = {
        {
-               .name = "AC97 HiFi",
+               .name = "wm9705-hifi",
                .ac97_control = 1,
                .playback = {
                        .stream_name = "HiFi Playback",
@@ -294,7 +293,7 @@ struct snd_soc_dai wm9705_dai[] = {
                .ops = &wm9705_dai_ops,
        },
        {
-               .name = "AC97 Aux",
+               .name = "wm9705-aux",
                .playback = {
                        .stream_name = "Aux Playback",
                        .channels_min = 1,
@@ -304,7 +303,6 @@ struct snd_soc_dai wm9705_dai[] = {
                },
        }
 };
-EXPORT_SYMBOL_GPL(wm9705_dai);
 
 static int wm9705_reset(struct snd_soc_codec *codec)
 {
@@ -318,20 +316,15 @@ static int wm9705_reset(struct snd_soc_codec *codec)
 }
 
 #ifdef CONFIG_PM
-static int wm9705_soc_suspend(struct platform_device *pdev, pm_message_t msg)
+static int wm9705_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg)
 {
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       struct snd_soc_codec *codec = socdev->card->codec;
-
        soc_ac97_ops.write(codec->ac97, AC97_POWERDOWN, 0xffff);
 
        return 0;
 }
 
-static int wm9705_soc_resume(struct platform_device *pdev)
+static int wm9705_soc_resume(struct snd_soc_codec *codec)
 {
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       struct snd_soc_codec *codec = socdev->card->codec;
        int i, ret;
        u16 *cache = codec->reg_cache;
 
@@ -352,49 +345,18 @@ static int wm9705_soc_resume(struct platform_device *pdev)
 #define wm9705_soc_resume NULL
 #endif
 
-static int wm9705_soc_probe(struct platform_device *pdev)
+static int wm9705_soc_probe(struct snd_soc_codec *codec)
 {
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       struct snd_soc_codec *codec;
        int ret = 0;
 
        printk(KERN_INFO "WM9705 SoC Audio Codec\n");
 
-       socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec),
-                                     GFP_KERNEL);
-       if (socdev->card->codec == NULL)
-               return -ENOMEM;
-       codec = socdev->card->codec;
-       mutex_init(&codec->mutex);
-
-       codec->reg_cache = kmemdup(wm9705_reg, sizeof(wm9705_reg), GFP_KERNEL);
-       if (codec->reg_cache == NULL) {
-               ret = -ENOMEM;
-               goto cache_err;
-       }
-       codec->reg_cache_size = sizeof(wm9705_reg);
-       codec->reg_cache_step = 2;
-
-       codec->name = "WM9705";
-       codec->owner = THIS_MODULE;
-       codec->dai = wm9705_dai;
-       codec->num_dai = ARRAY_SIZE(wm9705_dai);
-       codec->write = ac97_write;
-       codec->read = ac97_read;
-       INIT_LIST_HEAD(&codec->dapm_widgets);
-       INIT_LIST_HEAD(&codec->dapm_paths);
-
        ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
        if (ret < 0) {
                printk(KERN_ERR "wm9705: failed to register AC97 codec\n");
-               goto codec_err;
+               return ret;
        }
 
-       /* register pcms */
-       ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-       if (ret < 0)
-               goto pcm_err;
-
        ret = wm9705_reset(codec);
        if (ret)
                goto reset_err;
@@ -406,40 +368,62 @@ static int wm9705_soc_probe(struct platform_device *pdev)
        return 0;
 
 reset_err:
-       snd_soc_free_pcms(socdev);
-pcm_err:
        snd_soc_free_ac97_codec(codec);
-codec_err:
-       kfree(codec->reg_cache);
-cache_err:
-       kfree(socdev->card->codec);
-       socdev->card->codec = NULL;
        return ret;
 }
 
-static int wm9705_soc_remove(struct platform_device *pdev)
+static int wm9705_soc_remove(struct snd_soc_codec *codec)
 {
-       struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-       struct snd_soc_codec *codec = socdev->card->codec;
-
-       if (codec == NULL)
-               return 0;
-
-       snd_soc_dapm_free(socdev);
-       snd_soc_free_pcms(socdev);
        snd_soc_free_ac97_codec(codec);
-       kfree(codec->reg_cache);
-       kfree(codec);
        return 0;
 }
 
-struct snd_soc_codec_device soc_codec_dev_wm9705 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
        .probe =        wm9705_soc_probe,
        .remove =       wm9705_soc_remove,
        .suspend =      wm9705_soc_suspend,
        .resume =       wm9705_soc_resume,
+       .read = ac97_read,
+       .write = ac97_write,
+       .reg_cache_size = sizeof(wm9705_reg),
+       .reg_word_size = sizeof(u16),
+       .reg_cache_step = 2,
+       .reg_cache_default = wm9705_reg,
+};
+
+static __devinit int wm9705_probe(struct platform_device *pdev)
+{
+       return snd_soc_register_codec(&pdev->dev,
+                       &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
+}
+
+static int __devexit wm9705_remove(struct platform_device *pdev)
+{
+       snd_soc_unregister_codec(&pdev->dev);
+       return 0;
+}
+
+static struct platform_driver wm9705_codec_driver = {
+       .driver = {
+                       .name = "wm9705-codec",
+                       .owner = THIS_MODULE,
+       },
+
+       .probe = wm9705_probe,
+       .remove = __devexit_p(wm9705_remove),
 };
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm9705);
+
+static int __init wm9705_init(void)
+{
+       return platform_driver_register(&wm9705_codec_driver);
+}
+module_init(wm9705_init);
+
+static void __exit wm9705_exit(void)
+{
+       platform_driver_unregister(&wm9705_codec_driver);
+}
+module_exit(wm9705_exit);
 
 MODULE_DESCRIPTION("ASoC WM9705 driver");
 MODULE_AUTHOR("Ian Molton");