1 files changed, 57 insertions, 147 deletions

diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index b9ea8904ad4b..0c6d59e4d226 100644
--- a/sound/soc/codecs/wm8741.c
+++ b/sound/soc/codecs/wm8741.c
@@ -30,9 +30,6 @@
 
 #include "wm8741.h"
 
-static struct snd_soc_codec *wm8741_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8741;
-
 #define WM8741_NUM_SUPPLIES 2
 static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = {
         "AVDD",
@@ -43,7 +40,8 @@ static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = {
 
 /* codec private data */
 struct wm8741_priv {
-        struct snd_soc_codec codec;
+        enum snd_soc_control_type control_type;
+        void *control_data;
         u16 reg_cache[WM8741_REGISTER_COUNT];
         struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES];
         unsigned int sysclk;
@@ -145,8 +143,7 @@ static int wm8741_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 wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
         u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1FC;
         int i;
@@ -314,7 +311,7 @@ static struct snd_soc_dai_ops wm8741_dai_ops = {
         .set_fmt        = wm8741_set_dai_fmt,
 };
 
-struct snd_soc_dai wm8741_dai = {
+static struct snd_soc_dai_driver wm8741_dai = {
         .name = "WM8741",
         .playback = {
                 .stream_name = "Playback",
@@ -325,13 +322,10 @@ struct snd_soc_dai wm8741_dai = {
         },
         .ops = &wm8741_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8741_dai);
 
 #ifdef CONFIG_PM
-static int wm8741_resume(struct platform_device *pdev)
+static int wm8741_resume(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
         u16 *cache = codec->reg_cache;
         int i;
 
@@ -348,189 +342,105 @@ static int wm8741_resume(struct platform_device *pdev)
 #define wm8741_resume NULL
 #endif
 
-static int wm8741_probe(struct platform_device *pdev)
+static int wm8741_probe(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
+        struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
         int ret = 0;
 
-        if (wm8741_codec == NULL) {
-                dev_err(&pdev->dev, "Codec device not registered\n");
-                return -ENODEV;
+        codec->control_data = wm8741->control_data;
+        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8741->control_type);
+        if (ret != 0) {
+                dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+                return ret;
         }
 
-        socdev->card->codec = wm8741_codec;
-        codec = wm8741_codec;
-
-        /* register pcms */
-        ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+        ret = wm8741_reset(codec);
         if (ret < 0) {
-                dev_err(codec->dev, "failed to create pcms: %d\n", ret);
-                goto pcm_err;
+                dev_err(codec->dev, "Failed to issue reset\n");
+                return ret;
         }
 
+        /* Change some default settings - latch VU */
+        wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
+        wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
+        wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
+        wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
+
         snd_soc_add_controls(codec, wm8741_snd_controls,
                              ARRAY_SIZE(wm8741_snd_controls));
         wm8741_add_widgets(codec);
 
+        dev_dbg(codec->dev, "Successful registration\n");
         return ret;
-
-pcm_err:
-        return ret;
-}
-
-static int wm8741_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_wm8741 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm8741 = {
         .probe =        wm8741_probe,
-        .remove =       wm8741_remove,
         .resume =       wm8741_resume,
+        .reg_cache_size = sizeof(wm8741_reg_defaults),
+        .reg_word_size = sizeof(u16),
+        .reg_cache_default = &wm8741_reg_defaults,
 };
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8741);
 
-static int wm8741_register(struct wm8741_priv *wm8741,
-                           enum snd_soc_control_type control)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static int wm8741_i2c_probe(struct i2c_client *i2c,
+                            const struct i2c_device_id *id)
 {
-        int ret;
-        struct snd_soc_codec *codec = &wm8741->codec;
-        int i;
-
-        if (wm8741_codec) {
-                dev_err(codec->dev, "Another WM8741 is registered\n");
-                return -EINVAL;
-        }
-
-        mutex_init(&codec->mutex);
-        INIT_LIST_HEAD(&codec->dapm_widgets);
-        INIT_LIST_HEAD(&codec->dapm_paths);
+        struct wm8741_priv *wm8741;
+        int ret, i;
 
-        snd_soc_codec_set_drvdata(codec, wm8741);
-        codec->name = "WM8741";
-        codec->owner = THIS_MODULE;
-        codec->bias_level = SND_SOC_BIAS_OFF;
-        codec->set_bias_level = NULL;
-        codec->dai = &wm8741_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = WM8741_REGISTER_COUNT;
-        codec->reg_cache = &wm8741->reg_cache;
+        wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
+        if (wm8741 == NULL)
+                return -ENOMEM;
 
         wm8741->rate_constraint.list = &wm8741->rate_constraint_list[0];
         wm8741->rate_constraint.count =
                 ARRAY_SIZE(wm8741->rate_constraint_list);
 
-        memcpy(codec->reg_cache, wm8741_reg_defaults,
-                sizeof(wm8741->reg_cache));
-
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-                goto err;
-        }
-
         for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++)
                 wm8741->supplies[i].supply = wm8741_supply_names[i];
 
-        ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8741->supplies),
+        ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8741->supplies),
                                  wm8741->supplies);
         if (ret != 0) {
-                dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+                dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
                 goto err;
         }
 
         ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies),
                                     wm8741->supplies);
         if (ret != 0) {
-                dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+                dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
                 goto err_get;
         }
 
-        ret = wm8741_reset(codec);
-        if (ret < 0) {
-                dev_err(codec->dev, "Failed to issue reset\n");
-                goto err_enable;
-        }
-
-        wm8741_dai.dev = codec->dev;
-
-        /* Change some default settings - latch VU */
-        wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
-        wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
-        wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
-        wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
-
-        wm8741_codec = codec;
-
-        ret = snd_soc_register_codec(codec);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-                return ret;
-        }
-
-        ret = snd_soc_register_dai(&wm8741_dai);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-                snd_soc_unregister_codec(codec);
-                return ret;
-        }
+        i2c_set_clientdata(i2c, wm8741);
+        wm8741->control_data = i2c;
+        wm8741->control_type = SND_SOC_I2C;
 
-        dev_dbg(codec->dev, "Successful registration\n");
-        return 0;
+        ret =  snd_soc_register_codec(&i2c->dev,
+                        &soc_codec_dev_wm8741, &wm8741_dai, 1);
+        if (ret < 0)
+                goto err_enable;
+        return ret;
 
 err_enable:
         regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
 
 err_get:
         regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
-
 err:
         kfree(wm8741);
         return ret;
 }
 
-static void wm8741_unregister(struct wm8741_priv *wm8741)
-{
-        regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
-
-        snd_soc_unregister_dai(&wm8741_dai);
-        snd_soc_unregister_codec(&wm8741->codec);
-        kfree(wm8741);
-        wm8741_codec = NULL;
-}
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8741_i2c_probe(struct i2c_client *i2c,
-                                      const struct i2c_device_id *id)
-{
-        struct wm8741_priv *wm8741;
-        struct snd_soc_codec *codec;
-
-        wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
-        if (wm8741 == NULL)
-                return -ENOMEM;
-
-        codec = &wm8741->codec;
-        codec->hw_write = (hw_write_t)i2c_master_send;
-
-        i2c_set_clientdata(i2c, wm8741);
-        codec->control_data = i2c;
-
-        codec->dev = &i2c->dev;
-
-        return wm8741_register(wm8741, SND_SOC_I2C);
-}
-
-static __devexit int wm8741_i2c_remove(struct i2c_client *client)
+static int wm8741_i2c_remove(struct i2c_client *client)
 {
         struct wm8741_priv *wm8741 = i2c_get_clientdata(client);
-        wm8741_unregister(wm8741);
+
+        snd_soc_unregister_codec(&client->dev);
+        regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
+        kfree(i2c_get_clientdata(client));
         return 0;
 }
 
@@ -540,29 +450,29 @@ static const struct i2c_device_id wm8741_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id);
 
-
 static struct i2c_driver wm8741_i2c_driver = {
         .driver = {
-                .name = "WM8741",
+                .name = "wm8741-codec",
                 .owner = THIS_MODULE,
         },
         .probe =    wm8741_i2c_probe,
-        .remove =   __devexit_p(wm8741_i2c_remove),
+        .remove =   wm8741_i2c_remove,
         .id_table = wm8741_i2c_id,
 };
 #endif
 
 static int __init wm8741_modinit(void)
 {
-        int ret;
+        int ret = 0;
+
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         ret = i2c_add_driver(&wm8741_i2c_driver);
         if (ret != 0) {
-                printk(KERN_ERR "Failed to register WM8741 I2C driver: %d\n",
-                       ret);
+                pr_err("Failed to register WM8741 I2C driver: %d\n", ret);
         }
 #endif
-        return 0;
+
+        return ret;
 }
 module_init(wm8741_modinit);