1 files changed, 66 insertions, 151 deletions

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 0ab9b6355297..7da360ee1fee 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -32,9 +32,6 @@
 
 #include "wm8731.h"
 
-static struct snd_soc_codec *wm8731_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8731;
-
 #define WM8731_NUM_SUPPLIES 4
 static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
         "AVDD",
@@ -45,7 +42,8 @@ static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
 
 /* codec private data */
 struct wm8731_priv {
-        struct snd_soc_codec codec;
+        enum snd_soc_control_type control_type;
+        void *control_data;
         struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
         u16 reg_cache[WM8731_CACHEREGNUM];
         unsigned int sysclk;
@@ -222,9 +220,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
                             struct snd_pcm_hw_params *params,
                             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 = dai->codec;
         struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
         u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3;
         int i = get_coeff(wm8731->sysclk, params_rate(params));
@@ -252,9 +248,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
 static int wm8731_pcm_prepare(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 = dai->codec;
 
         /* set active */
         snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
@@ -265,9 +259,7 @@ static int wm8731_pcm_prepare(struct snd_pcm_substream *substream,
 static void wm8731_shutdown(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 = dai->codec;
 
         /* deactivate */
         if (!codec->active) {
@@ -428,8 +420,8 @@ static struct snd_soc_dai_ops wm8731_dai_ops = {
         .set_fmt        = wm8731_set_dai_fmt,
 };
 
-struct snd_soc_dai wm8731_dai = {
-        .name = "WM8731",
+static struct snd_soc_dai_driver wm8731_dai = {
+        .name = "wm8731-hifi",
         .playback = {
                 .stream_name = "Playback",
                 .channels_min = 1,
@@ -445,24 +437,17 @@ struct snd_soc_dai wm8731_dai = {
         .ops = &wm8731_dai_ops,
         .symmetric_rates = 1,
 };
-EXPORT_SYMBOL_GPL(wm8731_dai);
 
 #ifdef CONFIG_PM
-static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8731_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;
-
         wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
         return 0;
 }
 
-static int wm8731_resume(struct platform_device *pdev)
+static int wm8731_resume(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
-
         wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
         return 0;
@@ -472,88 +457,18 @@ static int wm8731_resume(struct platform_device *pdev)
 #define wm8731_resume NULL
 #endif
 
-static int wm8731_probe(struct platform_device *pdev)
-{
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
-        int ret = 0;
-
-        if (wm8731_codec == NULL) {
-                dev_err(&pdev->dev, "Codec device not registered\n");
-                return -ENODEV;
-        }
-
-        socdev->card->codec = wm8731_codec;
-        codec = wm8731_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, wm8731_snd_controls,
-                             ARRAY_SIZE(wm8731_snd_controls));
-        wm8731_add_widgets(codec);
-
-        return ret;
-
-pcm_err:
-        return ret;
-}
-
-/* power down chip */
-static int wm8731_remove(struct platform_device *pdev)
+static int wm8731_probe(struct snd_soc_codec *codec)
 {
-        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_wm8731 = {
-        .probe =        wm8731_probe,
-        .remove =       wm8731_remove,
-        .suspend =      wm8731_suspend,
-        .resume =       wm8731_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
-
-static int wm8731_register(struct wm8731_priv *wm8731,
-                           enum snd_soc_control_type control)
-{
-        int ret, i;
-        struct snd_soc_codec *codec = &wm8731->codec;
-
-        if (wm8731_codec) {
-                dev_err(codec->dev, "Another WM8731 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, wm8731);
-        codec->name = "WM8731";
-        codec->owner = THIS_MODULE;
-        codec->bias_level = SND_SOC_BIAS_OFF;
-        codec->set_bias_level = wm8731_set_bias_level;
-        codec->dai = &wm8731_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = WM8731_CACHEREGNUM;
-        codec->reg_cache = &wm8731->reg_cache;
+        struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+        int ret = 0, i;
 
-        memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg));
+        codec->bias_level = SND_SOC_BIAS_OFF,
+        codec->control_data = wm8731->control_data;
 
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8731->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(wm8731->supplies); i++)
@@ -563,7 +478,7 @@ static int wm8731_register(struct wm8731_priv *wm8731,
                                  wm8731->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(wm8731->supplies),
@@ -579,8 +494,6 @@ static int wm8731_register(struct wm8731_priv *wm8731,
                 goto err_regulator_enable;
         }
 
-        wm8731_dai.dev = codec->dev;
-
         wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
         /* Latch the update bits */
@@ -592,78 +505,79 @@ static int wm8731_register(struct wm8731_priv *wm8731,
         /* Disable bypass path by default */
         snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0);
 
-        wm8731_codec = codec;
-
-        ret = snd_soc_register_codec(codec);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-                goto err_regulator_enable;
-        }
-
-        ret = snd_soc_register_dai(&wm8731_dai);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-                snd_soc_unregister_codec(codec);
-                goto err_codec;
-        }
+        snd_soc_add_controls(codec, wm8731_snd_controls,
+                             ARRAY_SIZE(wm8731_snd_controls));
+        wm8731_add_widgets(codec);
 
         /* Regulators will have been enabled by bias management */
         regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
 
         return 0;
 
-err_codec:
-        snd_soc_unregister_codec(codec);
 err_regulator_enable:
         regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
 err_regulator_get:
         regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-err:
+
         kfree(wm8731);
         return ret;
 }
 
-static void wm8731_unregister(struct wm8731_priv *wm8731)
+/* power down chip */
+static int wm8731_remove(struct snd_soc_codec *codec)
 {
-        wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF);
-        snd_soc_unregister_dai(&wm8731_dai);
-        snd_soc_unregister_codec(&wm8731->codec);
+        struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+
+        wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+        regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
         regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-        kfree(wm8731);
-        wm8731_codec = NULL;
+
+        return 0;
 }
 
+static struct snd_soc_codec_driver soc_codec_dev_wm8731 = {
+        .probe =        wm8731_probe,
+        .remove =       wm8731_remove,
+        .suspend =      wm8731_suspend,
+        .resume =       wm8731_resume,
+        .set_bias_level = wm8731_set_bias_level,
+        .reg_cache_size = sizeof(wm8731_reg),
+        .reg_word_size = sizeof(u16),
+        .reg_cache_default = wm8731_reg,
+};
+
 #if defined(CONFIG_SPI_MASTER)
 static int __devinit wm8731_spi_probe(struct spi_device *spi)
 {
-        struct snd_soc_codec *codec;
         struct wm8731_priv *wm8731;
+        int ret;
 
         wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
         if (wm8731 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8731->codec;
-        codec->control_data = spi;
-        codec->dev = &spi->dev;
-
-        dev_set_drvdata(&spi->dev, wm8731);
+        wm8731->control_data = spi;
+        wm8731->control_type = SND_SOC_SPI;
+        spi_set_drvdata(spi, wm8731);
 
-        return wm8731_register(wm8731, SND_SOC_SPI);
+        ret = snd_soc_register_codec(&spi->dev,
+                        &soc_codec_dev_wm8731, &wm8731_dai, 1);
+        if (ret < 0)
+                kfree(wm8731);
+        return ret;
 }
 
 static int __devexit wm8731_spi_remove(struct spi_device *spi)
 {
-        struct wm8731_priv *wm8731 = dev_get_drvdata(&spi->dev);
-
-        wm8731_unregister(wm8731);
-
+        snd_soc_unregister_codec(&spi->dev);
+        kfree(spi_get_drvdata(spi));
         return 0;
 }
 
 static struct spi_driver wm8731_spi_driver = {
         .driver = {
-                .name   = "wm8731",
+                .name   = "wm8731-codec",
                 .bus    = &spi_bus_type,
                 .owner  = THIS_MODULE,
         },
@@ -677,26 +591,27 @@ static __devinit int wm8731_i2c_probe(struct i2c_client *i2c,
                                       const struct i2c_device_id *id)
 {
         struct wm8731_priv *wm8731;
-        struct snd_soc_codec *codec;
+        int ret;
 
         wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
         if (wm8731 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8731->codec;
-
         i2c_set_clientdata(i2c, wm8731);
-        codec->control_data = i2c;
+        wm8731->control_data = i2c;
+        wm8731->control_type = SND_SOC_I2C;
 
-        codec->dev = &i2c->dev;
-
-        return wm8731_register(wm8731, SND_SOC_I2C);
+        ret =  snd_soc_register_codec(&i2c->dev,
+                        &soc_codec_dev_wm8731, &wm8731_dai, 1);
+        if (ret < 0)
+                kfree(wm8731);
+        return ret;
 }
 
 static __devexit int wm8731_i2c_remove(struct i2c_client *client)
 {
-        struct wm8731_priv *wm8731 = i2c_get_clientdata(client);
-        wm8731_unregister(wm8731);
+        snd_soc_unregister_codec(&client->dev);
+        kfree(i2c_get_clientdata(client));
         return 0;
 }
 
@@ -708,7 +623,7 @@ MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);
 
 static struct i2c_driver wm8731_i2c_driver = {
         .driver = {
-                .name = "wm8731",
+                .name = "wm8731-codec",
                 .owner = THIS_MODULE,
         },
         .probe =    wm8731_i2c_probe,
@@ -719,7 +634,7 @@ static struct i2c_driver wm8731_i2c_driver = {
 
 static int __init wm8731_modinit(void)
 {
-        int ret;
+        int ret = 0;
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         ret = i2c_add_driver(&wm8731_i2c_driver);
         if (ret != 0) {
@@ -734,7 +649,7 @@ static int __init wm8731_modinit(void)
                        ret);
         }
 #endif
-        return 0;
+        return ret;
 }
 module_init(wm8731_modinit);