1 files changed, 44 insertions, 133 deletions

diff --git a/sound/soc/codecs/wm8523.c b/sound/soc/codecs/wm8523.c
index 0ad039b4adf5..712ef7c76f90 100644
--- a/sound/soc/codecs/wm8523.c
+++ b/sound/soc/codecs/wm8523.c
@@ -30,9 +30,6 @@
 
 #include "wm8523.h"
 
-static struct snd_soc_codec *wm8523_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8523;
-
 #define WM8523_NUM_SUPPLIES 2
 static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = {
         "AVDD",
@@ -43,7 +40,7 @@ static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = {
 
 /* codec private data */
 struct wm8523_priv {
-        struct snd_soc_codec codec;
+        enum snd_soc_control_type control_type;
         u16 reg_cache[WM8523_REGISTER_COUNT];
         struct regulator_bulk_data supplies[WM8523_NUM_SUPPLIES];
         unsigned int sysclk;
@@ -162,8 +159,7 @@ static int wm8523_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;
         struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
         int i;
         u16 aifctrl1 = snd_soc_read(codec, WM8523_AIF_CTRL1);
@@ -387,8 +383,8 @@ static struct snd_soc_dai_ops wm8523_dai_ops = {
         .set_fmt        = wm8523_set_dai_fmt,
 };
 
-struct snd_soc_dai wm8523_dai = {
-        .name = "WM8523",
+static struct snd_soc_dai_driver wm8523_dai = {
+        .name = "wm8523-hifi",
         .playback = {
                 .stream_name = "Playback",
                 .channels_min = 2,  /* Mono modes not yet supported */
@@ -398,25 +394,17 @@ struct snd_soc_dai wm8523_dai = {
         },
         .ops = &wm8523_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8523_dai);
 
 #ifdef CONFIG_PM
-static int wm8523_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8523_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;
-
         wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
         return 0;
 }
 
-static int wm8523_resume(struct platform_device *pdev)
+static int wm8523_resume(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
-
         wm8523_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
         return 0;
 }
 #else
@@ -424,93 +412,20 @@ static int wm8523_resume(struct platform_device *pdev)
 #define wm8523_resume NULL
 #endif
 
-static int wm8523_probe(struct platform_device *pdev)
-{
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
-        int ret = 0;
-
-        if (wm8523_codec == NULL) {
-                dev_err(&pdev->dev, "Codec device not registered\n");
-                return -ENODEV;
-        }
-
-        socdev->card->codec = wm8523_codec;
-        codec = wm8523_codec;
-
-        /* register pcms */
-        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 pcm_err;
-        }
-
-        snd_soc_add_controls(codec, wm8523_snd_controls,
-                             ARRAY_SIZE(wm8523_snd_controls));
-        wm8523_add_widgets(codec);
-
-        return ret;
-
-pcm_err:
-        return ret;
-}
-
-static int wm8523_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_wm8523 = {
-        .probe =        wm8523_probe,
-        .remove =       wm8523_remove,
-        .suspend =      wm8523_suspend,
-        .resume =       wm8523_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8523);
-
-static int wm8523_register(struct wm8523_priv *wm8523,
-                           enum snd_soc_control_type control)
+static int wm8523_probe(struct snd_soc_codec *codec)
 {
-        int ret;
-        struct snd_soc_codec *codec = &wm8523->codec;
-        int i;
-
-        if (wm8523_codec) {
-                dev_err(codec->dev, "Another WM8523 is registered\n");
-                ret = -EINVAL;
-                goto err;
-        }
-
-        mutex_init(&codec->mutex);
-        INIT_LIST_HEAD(&codec->dapm_widgets);
-        INIT_LIST_HEAD(&codec->dapm_paths);
-
-        snd_soc_codec_set_drvdata(codec, wm8523);
-        codec->name = "WM8523";
-        codec->owner = THIS_MODULE;
-        codec->bias_level = SND_SOC_BIAS_OFF;
-        codec->set_bias_level = wm8523_set_bias_level;
-        codec->dai = &wm8523_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = WM8523_REGISTER_COUNT;
-        codec->reg_cache = &wm8523->reg_cache;
-        codec->volatile_register = wm8523_volatile_register;
+        struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
+        int ret, i;
 
+        codec->hw_write = (hw_write_t)i2c_master_send;
         wm8523->rate_constraint.list = &wm8523->rate_constraint_list[0];
         wm8523->rate_constraint.count =
                 ARRAY_SIZE(wm8523->rate_constraint_list);
 
-        memcpy(codec->reg_cache, wm8523_reg, sizeof(wm8523_reg));
-
-        ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
+        ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8523->control_type);
         if (ret != 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-                goto err;
+                return ret;
         }
 
         for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++)
@@ -520,7 +435,7 @@ static int wm8523_register(struct wm8523_priv *wm8523,
                                  wm8523->supplies);
         if (ret != 0) {
                 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-                goto err;
+                return ret;
         }
 
         ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies),
@@ -555,8 +470,6 @@ static int wm8523_register(struct wm8523_priv *wm8523,
                 goto err_enable;
         }
 
-        wm8523_dai.dev = codec->dev;
-
         /* Change some default settings - latch VU and enable ZC */
         wm8523->reg_cache[WM8523_DAC_GAINR] |= WM8523_DACR_VU;
         wm8523->reg_cache[WM8523_DAC_CTRL3] |= WM8523_ZC;
@@ -566,69 +479,67 @@ static int wm8523_register(struct wm8523_priv *wm8523,
         /* Bias level configuration will have done an extra enable */
         regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
 
-        wm8523_codec = codec;
-
-        ret = snd_soc_register_codec(codec);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-                goto err_enable;
-        }
-
-        ret = snd_soc_register_dai(&wm8523_dai);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-                goto err_codec;
-        }
+        snd_soc_add_controls(codec, wm8523_snd_controls,
+                             ARRAY_SIZE(wm8523_snd_controls));
+        wm8523_add_widgets(codec);
 
         return 0;
 
-err_codec:
-        snd_soc_unregister_codec(codec);
 err_enable:
         regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
 err_get:
         regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
-err:
-        kfree(wm8523);
+
         return ret;
 }
 
-static void wm8523_unregister(struct wm8523_priv *wm8523)
+static int wm8523_remove(struct snd_soc_codec *codec)
 {
-        wm8523_set_bias_level(&wm8523->codec, SND_SOC_BIAS_OFF);
+        struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
+
+        wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
         regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
-        snd_soc_unregister_dai(&wm8523_dai);
-        snd_soc_unregister_codec(&wm8523->codec);
-        kfree(wm8523);
-        wm8523_codec = NULL;
+        return 0;
 }
 
+static struct snd_soc_codec_driver soc_codec_dev_wm8523 = {
+        .probe =        wm8523_probe,
+        .remove =       wm8523_remove,
+        .suspend =      wm8523_suspend,
+        .resume =       wm8523_resume,
+        .set_bias_level = wm8523_set_bias_level,
+        .reg_cache_size = WM8523_REGISTER_COUNT,
+        .reg_word_size = sizeof(u16),
+        .reg_cache_default = wm8523_reg,
+        .volatile_register = wm8523_volatile_register,
+};
+
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
                                       const struct i2c_device_id *id)
 {
         struct wm8523_priv *wm8523;
-        struct snd_soc_codec *codec;
+        int ret;
 
         wm8523 = kzalloc(sizeof(struct wm8523_priv), GFP_KERNEL);
         if (wm8523 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8523->codec;
-        codec->hw_write = (hw_write_t)i2c_master_send;
-
         i2c_set_clientdata(i2c, wm8523);
-        codec->control_data = i2c;
+        wm8523->control_type = SND_SOC_I2C;
 
-        codec->dev = &i2c->dev;
+        ret =  snd_soc_register_codec(&i2c->dev,
+                        &soc_codec_dev_wm8523, &wm8523_dai, 1);
+        if (ret < 0)
+                kfree(wm8523);
+        return ret;
 
-        return wm8523_register(wm8523, SND_SOC_I2C);
 }
 
 static __devexit int wm8523_i2c_remove(struct i2c_client *client)
 {
-        struct wm8523_priv *wm8523 = i2c_get_clientdata(client);
-        wm8523_unregister(wm8523);
+        snd_soc_unregister_codec(&client->dev);
+        kfree(i2c_get_clientdata(client));
         return 0;
 }
 
@@ -640,7 +551,7 @@ MODULE_DEVICE_TABLE(i2c, wm8523_i2c_id);
 
 static struct i2c_driver wm8523_i2c_driver = {
         .driver = {
-                .name = "WM8523",
+                .name = "wm8523-codec",
                 .owner = THIS_MODULE,
         },
         .probe =    wm8523_i2c_probe,