1 files changed, 47 insertions, 137 deletions

diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c
index 5f025593d84d..a5a9f8ef5771 100644
--- a/sound/soc/codecs/wm8955.c
+++ b/sound/soc/codecs/wm8955.c
@@ -30,9 +30,6 @@
 
 #include "wm8955.h"
 
-static struct snd_soc_codec *wm8955_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8955;
-
 #define WM8955_NUM_SUPPLIES 4
 static const char *wm8955_supply_names[WM8955_NUM_SUPPLIES] = {
         "DCVDD",
@@ -43,7 +40,9 @@ static const char *wm8955_supply_names[WM8955_NUM_SUPPLIES] = {
 
 /* codec private data */
 struct wm8955_priv {
-        struct snd_soc_codec codec;
+        enum snd_soc_control_type control_type;
+        void *control_data;
+
         u16 reg_cache[WM8955_MAX_REGISTER + 1];
 
         unsigned int mclk_rate;
@@ -52,8 +51,6 @@ struct wm8955_priv {
         int fs;
 
         struct regulator_bulk_data supplies[WM8955_NUM_SUPPLIES];
-
-        struct wm8955_pdata *pdata;
 };
 
 static const u16 wm8955_reg[WM8955_MAX_REGISTER + 1] = {
@@ -870,8 +867,8 @@ static struct snd_soc_dai_ops wm8955_dai_ops = {
         .digital_mute = wm8955_digital_mute,
 };
 
-struct snd_soc_dai wm8955_dai = {
-        .name = "WM8955",
+static struct snd_soc_dai_driver wm8955_dai = {
+        .name = "wm8955-hifi",
         .playback = {
                 .stream_name = "Playback",
                 .channels_min = 2,
@@ -881,24 +878,17 @@ struct snd_soc_dai wm8955_dai = {
         },
         .ops = &wm8955_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8955_dai);
 
 #ifdef CONFIG_PM
-static int wm8955_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8955_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;
-
         wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
         return 0;
 }
 
-static int wm8955_resume(struct platform_device *pdev)
+static int wm8955_resume(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec = socdev->card->codec;
-
         wm8955_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
         return 0;
@@ -908,86 +898,17 @@ static int wm8955_resume(struct platform_device *pdev)
 #define wm8955_resume NULL
 #endif
 
-static int wm8955_probe(struct platform_device *pdev)
-{
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
-        int ret = 0;
-
-        if (wm8955_codec == NULL) {
-                dev_err(&pdev->dev, "Codec device not registered\n");
-                return -ENODEV;
-        }
-
-        socdev->card->codec = wm8955_codec;
-        codec = wm8955_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;
-        }
-
-        wm8955_add_widgets(codec);
-
-        return ret;
-
-pcm_err:
-        return ret;
-}
-
-static int wm8955_remove(struct platform_device *pdev)
+static int wm8955_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_wm8955 = {
-        .probe =        wm8955_probe,
-        .remove =       wm8955_remove,
-        .suspend =      wm8955_suspend,
-        .resume =       wm8955_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8955);
-
-static int wm8955_register(struct wm8955_priv *wm8955,
-                           enum snd_soc_control_type control)
-{
-        int ret;
-        struct snd_soc_codec *codec = &wm8955->codec;
-        int i;
-
-        if (wm8955_codec) {
-                dev_err(codec->dev, "Another WM8955 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, wm8955);
-        codec->name = "WM8955";
-        codec->owner = THIS_MODULE;
-        codec->bias_level = SND_SOC_BIAS_OFF;
-        codec->set_bias_level = wm8955_set_bias_level;
-        codec->dai = &wm8955_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = WM8955_MAX_REGISTER;
-        codec->reg_cache = &wm8955->reg_cache;
-
-        memcpy(codec->reg_cache, wm8955_reg, sizeof(wm8955_reg));
+        struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
+        struct wm8955_pdata *pdata = dev_get_platdata(codec->dev);
+        int ret, i;
 
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+        codec->control_data = wm8955->control_data;
+        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8955->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(wm8955->supplies); i++)
@@ -997,7 +918,7 @@ static int wm8955_register(struct wm8955_priv *wm8955,
                                  wm8955->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(wm8955->supplies),
@@ -1013,8 +934,6 @@ static int wm8955_register(struct wm8955_priv *wm8955,
                 goto err_enable;
         }
 
-        wm8955_dai.dev = codec->dev;
-
         /* Change some default settings - latch VU and enable ZC */
         wm8955->reg_cache[WM8955_LEFT_DAC_VOLUME] |= WM8955_LDVU;
         wm8955->reg_cache[WM8955_RIGHT_DAC_VOLUME] |= WM8955_RDVU;
@@ -1028,12 +947,12 @@ static int wm8955_register(struct wm8955_priv *wm8955,
         wm8955->reg_cache[WM8955_BASS_CONTROL] |= WM8955_BB;
 
         /* Set platform data values */
-        if (wm8955->pdata) {
-                if (wm8955->pdata->out2_speaker)
+        if (pdata) {
+                if (pdata->out2_speaker)
                         wm8955->reg_cache[WM8955_ADDITIONAL_CONTROL_2]
                                 |= WM8955_ROUT2INV;
 
-                if (wm8955->pdata->monoin_diff)
+                if (pdata->monoin_diff)
                         wm8955->reg_cache[WM8955_MONO_OUT_MIX_1]
                                 |= WM8955_DMEN;
         }
@@ -1043,70 +962,61 @@ static int wm8955_register(struct wm8955_priv *wm8955,
         /* Bias level configuration will have done an extra enable */
         regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
 
-        wm8955_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(&wm8955_dai);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-                goto err_codec;
-        }
-
+        wm8955_add_widgets(codec);
         return 0;
 
-err_codec:
-        snd_soc_unregister_codec(codec);
 err_enable:
         regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
 err_get:
         regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
-err:
-        kfree(wm8955);
         return ret;
 }
 
-static void wm8955_unregister(struct wm8955_priv *wm8955)
+static int wm8955_remove(struct snd_soc_codec *codec)
 {
-        wm8955_set_bias_level(&wm8955->codec, SND_SOC_BIAS_OFF);
+        struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
+
+        wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
         regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
-        snd_soc_unregister_dai(&wm8955_dai);
-        snd_soc_unregister_codec(&wm8955->codec);
-        kfree(wm8955);
-        wm8955_codec = NULL;
+        return 0;
 }
 
+static struct snd_soc_codec_driver soc_codec_dev_wm8955 = {
+        .probe =        wm8955_probe,
+        .remove =       wm8955_remove,
+        .suspend =      wm8955_suspend,
+        .resume =       wm8955_resume,
+        .set_bias_level = wm8955_set_bias_level,
+        .reg_cache_size = ARRAY_SIZE(wm8955_reg),
+        .reg_word_size = sizeof(u16),
+        .reg_cache_default = wm8955_reg,
+};
+
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static __devinit int wm8955_i2c_probe(struct i2c_client *i2c,
                                       const struct i2c_device_id *id)
 {
         struct wm8955_priv *wm8955;
-        struct snd_soc_codec *codec;
+        int ret;
 
         wm8955 = kzalloc(sizeof(struct wm8955_priv), GFP_KERNEL);
         if (wm8955 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8955->codec;
-        codec->hw_write = (hw_write_t)i2c_master_send;
-
         i2c_set_clientdata(i2c, wm8955);
-        codec->control_data = i2c;
-        wm8955->pdata = i2c->dev.platform_data;
-
-        codec->dev = &i2c->dev;
+        wm8955->control_data = i2c;
 
-        return wm8955_register(wm8955, SND_SOC_I2C);
+        ret = snd_soc_register_codec(&i2c->dev,
+                        &soc_codec_dev_wm8955, &wm8955_dai, 1);
+        if (ret < 0)
+                kfree(wm8955);
+        return ret;
 }
 
 static __devexit int wm8955_i2c_remove(struct i2c_client *client)
 {
-        struct wm8955_priv *wm8955 = i2c_get_clientdata(client);
-        wm8955_unregister(wm8955);
+        snd_soc_unregister_codec(&client->dev);
+        kfree(i2c_get_clientdata(client));
         return 0;
 }
 
@@ -1118,7 +1028,7 @@ MODULE_DEVICE_TABLE(i2c, wm8955_i2c_id);
 
 static struct i2c_driver wm8955_i2c_driver = {
         .driver = {
-                .name = "wm8955",
+                .name = "wm8955-codec",
                 .owner = THIS_MODULE,
         },
         .probe =    wm8955_i2c_probe,
@@ -1129,7 +1039,7 @@ static struct i2c_driver wm8955_i2c_driver = {
 
 static int __init wm8955_modinit(void)
 {
-        int ret;
+        int ret = 0;
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         ret = i2c_add_driver(&wm8955_i2c_driver);
         if (ret != 0) {
@@ -1137,7 +1047,7 @@ static int __init wm8955_modinit(void)
                        ret);
         }
 #endif
-        return 0;
+        return ret;
 }
 module_init(wm8955_modinit);