1 files changed, 47 insertions, 133 deletions

diff --git a/sound/soc/codecs/wm8523.c b/sound/soc/codecs/wm8523.c
index 0ad039b..58d411b 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 +40,8 @@ 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;
+	void *control_data;
 	u16 reg_cache[WM8523_REGISTER_COUNT];
 	struct regulator_bulk_data supplies[WM8523_NUM_SUPPLIES];
 	unsigned int sysclk;
@@ -162,8 +160,7 @@ 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 +384,8 @@ 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 +395,17 @@ 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 +413,21 @@ 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;
+	codec->control_data = wm8523->control_data;
 	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 +437,7 @@ 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 +472,6 @@ 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 +481,68 @@ 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_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 +554,7 @@ 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,