1 files changed, 57 insertions, 147 deletions

diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index b9ea890..0c6d59e 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);