1 files changed, 49 insertions, 132 deletions

diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 8f294066b0ed..850299786e02 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -65,7 +65,7 @@ static struct regulator_bulk_data power[] = {
 
 /* codec private data */
 struct wm8400_priv {
-        struct snd_soc_codec codec;
+        struct snd_soc_codec *codec;
         struct wm8400 *wm8400;
         u16 fake_register;
         unsigned int sysclk;
@@ -1163,8 +1163,7 @@ static int wm8400_hw_params(struct snd_pcm_substream *substream,
         struct snd_soc_dai *dai)
 {
         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;
         u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
 
         audio1 &= ~WM8400_AIF_WL_MASK;
@@ -1332,10 +1331,9 @@ static struct snd_soc_dai_ops wm8400_dai_ops = {
  * 1. ADC/DAC on Primary Interface
  * 2. ADC on Primary Interface/DAC on secondary
  */
-struct snd_soc_dai wm8400_dai = {
+static struct snd_soc_dai_driver wm8400_dai = {
 /* ADC/DAC on primary */
-        .name = "WM8400 ADC/DAC Primary",
-        .id = 1,
+        .name = "wm8400-hifi",
         .playback = {
                 .stream_name = "Playback",
                 .channels_min = 1,
@@ -1352,147 +1350,53 @@ struct snd_soc_dai wm8400_dai = {
         },
         .ops = &wm8400_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8400_dai);
 
-static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8400_suspend(struct snd_soc_codec *codec, pm_message_t state)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
-
         wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
         return 0;
 }
 
-static int wm8400_resume(struct platform_device *pdev)
+static int wm8400_resume(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
-
         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
         return 0;
 }
 
-static struct snd_soc_codec *wm8400_codec;
-
-static int wm8400_probe(struct platform_device *pdev)
-{
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
-        int ret;
-
-        if (!wm8400_codec) {
-                dev_err(&pdev->dev, "wm8400 not yet discovered\n");
-                return -ENODEV;
-        }
-        codec = wm8400_codec;
-
-        socdev->card->codec = codec;
-
-        /* register pcms */
-        ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-        if (ret < 0) {
-                dev_err(&pdev->dev, "failed to create pcms\n");
-                goto pcm_err;
-        }
-
-        wm8400_add_controls(codec);
-        wm8400_add_widgets(codec);
-
-pcm_err:
-        return ret;
-}
-
-/* power down chip */
-static int wm8400_remove(struct platform_device *pdev)
-{
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
-        snd_soc_free_pcms(socdev);
-        snd_soc_dapm_free(socdev);
-
-        return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8400 = {
-        .probe =        wm8400_probe,
-        .remove =       wm8400_remove,
-        .suspend =      wm8400_suspend,
-        .resume =       wm8400_resume,
-};
-
 static void wm8400_probe_deferred(struct work_struct *work)
 {
         struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
                                                 work);
-        struct snd_soc_codec *codec = &priv->codec;
-        int ret;
+        struct snd_soc_codec *codec = priv->codec;
 
         /* charge output caps */
         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-        /* We're done, tell the subsystem. */
-        ret = snd_soc_register_codec(codec);
-        if (ret != 0) {
-                dev_err(priv->wm8400->dev,
-                        "Failed to register codec: %d\n", ret);
-                goto err;
-        }
-
-        ret = snd_soc_register_dai(&wm8400_dai);
-        if (ret != 0) {
-                dev_err(priv->wm8400->dev,
-                        "Failed to register DAI: %d\n", ret);
-                goto err_codec;
-        }
-
-        return;
-
-err_codec:
-        snd_soc_unregister_codec(codec);
-err:
-        wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
 }
 
-static int wm8400_codec_probe(struct platform_device *dev)
+static int wm8400_codec_probe(struct snd_soc_codec *codec)
 {
+        struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
         struct wm8400_priv *priv;
         int ret;
         u16 reg;
-        struct snd_soc_codec *codec;
 
         priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
         if (priv == NULL)
                 return -ENOMEM;
 
-        codec = &priv->codec;
         snd_soc_codec_set_drvdata(codec, priv);
-        codec->control_data = dev_get_drvdata(&dev->dev);
-        priv->wm8400 = dev_get_drvdata(&dev->dev);
+        codec->control_data = priv->wm8400 = wm8400;
+        priv->codec = codec;
 
-        ret = regulator_bulk_get(priv->wm8400->dev,
+        ret = regulator_bulk_get(wm8400->dev,
                                  ARRAY_SIZE(power), &power[0]);
         if (ret != 0) {
-                dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
+                dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
                 goto err;
         }
 
-        codec->dev = &dev->dev;
-        wm8400_dai.dev = &dev->dev;
-
-        codec->name = "WM8400";
-        codec->owner = THIS_MODULE;
-        codec->read = wm8400_read;
-        codec->write = wm8400_write;
-        codec->bias_level = SND_SOC_BIAS_OFF;
-        codec->set_bias_level = wm8400_set_bias_level;
-        codec->dai = &wm8400_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = WM8400_REGISTER_COUNT;
-        mutex_init(&codec->mutex);
-        INIT_LIST_HEAD(&codec->dapm_widgets);
-        INIT_LIST_HEAD(&codec->dapm_paths);
         INIT_WORK(&priv->work, wm8400_probe_deferred);
 
         wm8400_codec_reset(codec);
@@ -1511,65 +1415,78 @@ static int wm8400_codec_probe(struct platform_device *dev)
         wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
         wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
 
-        wm8400_codec = codec;
-
         if (!schedule_work(&priv->work)) {
                 ret = -EINVAL;
                 goto err_regulator;
         }
-
+        wm8400_add_controls(codec);
+        wm8400_add_widgets(codec);
         return 0;
 
 err_regulator:
-        wm8400_codec = NULL;
         regulator_bulk_free(ARRAY_SIZE(power), power);
 err:
         kfree(priv);
         return ret;
 }
 
-static int __exit wm8400_codec_remove(struct platform_device *dev)
+static int  wm8400_codec_remove(struct snd_soc_codec *codec)
 {
-        struct wm8400_priv *priv = snd_soc_codec_get_drvdata(wm8400_codec);
+        struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec);
         u16 reg;
 
-        snd_soc_unregister_dai(&wm8400_dai);
-        snd_soc_unregister_codec(wm8400_codec);
-
-        reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
-        wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
+        reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
+        wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
                      reg & (~WM8400_CODEC_ENA));
 
         regulator_bulk_free(ARRAY_SIZE(power), power);
         kfree(priv);
 
-        wm8400_codec = NULL;
+        return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
+        .probe =        wm8400_codec_probe,
+        .remove =       wm8400_codec_remove,
+        .suspend =      wm8400_suspend,
+        .resume =       wm8400_resume,
+        .read = wm8400_read,
+        .write = wm8400_write,
+        .set_bias_level = wm8400_set_bias_level,
+};
+
+static int __devinit wm8400_probe(struct platform_device *pdev)
+{
+        return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
+                        &wm8400_dai, 1);
+}
 
+static int __devexit wm8400_remove(struct platform_device *pdev)
+{
+        snd_soc_unregister_codec(&pdev->dev);
         return 0;
 }
 
 static struct platform_driver wm8400_codec_driver = {
         .driver = {
-                .name = "wm8400-codec",
-                .owner = THIS_MODULE,
-        },
-        .probe = wm8400_codec_probe,
-        .remove = __exit_p(wm8400_codec_remove),
+                   .name = "wm8400-codec",
+                   .owner = THIS_MODULE,
+                   },
+        .probe = wm8400_probe,
+        .remove = __devexit_p(wm8400_remove),
 };
 
-static int __init wm8400_codec_init(void)
+static __init int wm8400_init(void)
 {
         return platform_driver_register(&wm8400_codec_driver);
 }
-module_init(wm8400_codec_init);
+module_init(wm8400_init);
 
-static void __exit wm8400_codec_exit(void)
+static __exit void wm8400_exit(void)
 {
         platform_driver_unregister(&wm8400_codec_driver);
 }
-module_exit(wm8400_codec_exit);
-
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
+module_exit(wm8400_exit);
 
 MODULE_DESCRIPTION("ASoC WM8400 driver");
 MODULE_AUTHOR("Mark Brown");