1 files changed, 63 insertions, 184 deletions

diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index a99620f335d2..63f6dbf5d070 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -30,14 +30,13 @@
 
 #include "wm8971.h"
 
-#define WM8971_VERSION "0.9"
-
 #define	WM8971_REG_COUNT		43
 
 static struct workqueue_struct *wm8971_workq = NULL;
 
 /* codec private data */
 struct wm8971_priv {
+	enum snd_soc_control_type control_type;
 	unsigned int sysclk;
 };
 
@@ -492,8 +491,7 @@ static int wm8971_pcm_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 wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
 	u16 iface = snd_soc_read(codec, WM8971_IFACE) & 0x1f3;
 	u16 srate = snd_soc_read(codec, WM8971_SRATE) & 0x1c0;
@@ -573,8 +571,8 @@ static struct snd_soc_dai_ops wm8971_dai_ops = {
 	.set_sysclk	= wm8971_set_dai_sysclk,
 };
 
-struct snd_soc_dai wm8971_dai = {
-	.name = "WM8971",
+static struct snd_soc_dai_driver wm8971_dai = {
+	.name = "wm8971-hifi",
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 1,
@@ -589,7 +587,6 @@ struct snd_soc_dai wm8971_dai = {
 		.formats = WM8971_FORMATS,},
 	.ops = &wm8971_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8971_dai);
 
 static void wm8971_work(struct work_struct *work)
 {
@@ -598,19 +595,14 @@ static void wm8971_work(struct work_struct *work)
 	wm8971_set_bias_level(codec, codec->bias_level);
 }
 
-static int wm8971_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8971_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;
-
 	wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
-static int wm8971_resume(struct platform_device *pdev)
+static int wm8971_resume(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->card->codec;
 	int i;
 	u8 data[2];
 	u16 *cache = codec->reg_cache;
@@ -639,37 +631,24 @@ static int wm8971_resume(struct platform_device *pdev)
 	return 0;
 }
 
-static int wm8971_init(struct snd_soc_device *socdev,
-		       enum snd_soc_control_type control)
+static int wm8971_probe(struct snd_soc_codec *codec)
 {
-	struct snd_soc_codec *codec = socdev->card->codec;
-	int reg, ret = 0;
-
-	codec->name = "WM8971";
-	codec->owner = THIS_MODULE;
-	codec->set_bias_level = wm8971_set_bias_level;
-	codec->dai = &wm8971_dai;
-	codec->reg_cache_size = ARRAY_SIZE(wm8971_reg);
-	codec->num_dai = 1;
-	codec->reg_cache = kmemdup(wm8971_reg, sizeof(wm8971_reg), GFP_KERNEL);
-
-	if (codec->reg_cache == NULL)
-		return -ENOMEM;
+	struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
+	int ret = 0;
+	u16 reg;
 
-	ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+	ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8971->control_type);
 	if (ret < 0) {
 		printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret);
-		goto err;
+		return ret;
 	}
 
-	wm8971_reset(codec);
+	INIT_DELAYED_WORK(&codec->delayed_work, wm8971_work);
+	wm8971_workq = create_workqueue("wm8971");
+	if (wm8971_workq == NULL)
+		return -ENOMEM;
 
-	/* register pcms */
-	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-	if (ret < 0) {
-		printk(KERN_ERR "wm8971: failed to create pcms\n");
-		goto err;
-	}
+	wm8971_reset(codec);
 
 	/* charge output caps - set vmid to 5k for quick power up */
 	reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
@@ -704,40 +683,54 @@ static int wm8971_init(struct snd_soc_device *socdev,
 	wm8971_add_widgets(codec);
 
 	return ret;
-
-err:
-	kfree(codec->reg_cache);
-	return ret;
 }
 
-/* If the i2c layer weren't so broken, we could pass this kind of data
-   around */
-static struct snd_soc_device *wm8971_socdev;
 
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+/* power down chip */
+static int wm8971_remove(struct snd_soc_codec *codec)
+{
+	wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+	if (wm8971_workq)
+		destroy_workqueue(wm8971_workq);
+	return 0;
+}
 
-static int wm8971_i2c_probe(struct i2c_client *i2c,
-			    const struct i2c_device_id *id)
+static struct snd_soc_codec_driver soc_codec_dev_wm8971 = {
+	.probe =	wm8971_probe,
+	.remove =	wm8971_remove,
+	.suspend =	wm8971_suspend,
+	.resume =	wm8971_resume,
+	.set_bias_level = wm8971_set_bias_level,
+	.reg_cache_size = ARRAY_SIZE(wm8971_reg),
+	.reg_word_size = sizeof(u16),
+	.reg_cache_default = wm8971_reg,
+};
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8971_i2c_probe(struct i2c_client *i2c,
+				      const struct i2c_device_id *id)
 {
-	struct snd_soc_device *socdev = wm8971_socdev;
-	struct snd_soc_codec *codec = socdev->card->codec;
+	struct wm8971_priv *wm8971;
 	int ret;
 
-	i2c_set_clientdata(i2c, codec);
+	wm8971 = kzalloc(sizeof(struct wm8971_priv), GFP_KERNEL);
+	if (wm8971 == NULL)
+		return -ENOMEM;
 
-	codec->control_data = i2c;
+	i2c_set_clientdata(i2c, wm8971);
 
-	ret = wm8971_init(socdev, SND_SOC_I2C);
+	ret = snd_soc_register_codec(&i2c->dev,
+			&soc_codec_dev_wm8971, &wm8971_dai, 1);
 	if (ret < 0)
-		pr_err("failed to initialise WM8971\n");
-
+		kfree(wm8971);
 	return ret;
 }
 
-static int wm8971_i2c_remove(struct i2c_client *client)
+static __devexit int wm8971_i2c_remove(struct i2c_client *client)
 {
-	struct snd_soc_codec *codec = i2c_get_clientdata(client);
-	kfree(codec->reg_cache);
+	snd_soc_unregister_codec(&client->dev);
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
@@ -749,148 +742,34 @@ MODULE_DEVICE_TABLE(i2c, wm8971_i2c_id);
 
 static struct i2c_driver wm8971_i2c_driver = {
 	.driver = {
-		.name = "WM8971 I2C Codec",
+		.name = "wm8971-codec",
 		.owner = THIS_MODULE,
 	},
-	.probe    = wm8971_i2c_probe,
-	.remove   = wm8971_i2c_remove,
+	.probe =    wm8971_i2c_probe,
+	.remove =   __devexit_p(wm8971_i2c_remove),
 	.id_table = wm8971_i2c_id,
 };
-
-static int wm8971_add_i2c_device(struct platform_device *pdev,
-				 const struct wm8971_setup_data *setup)
-{
-	struct i2c_board_info info;
-	struct i2c_adapter *adapter;
-	struct i2c_client *client;
-	int ret;
-
-	ret = i2c_add_driver(&wm8971_i2c_driver);
-	if (ret != 0) {
-		dev_err(&pdev->dev, "can't add i2c driver\n");
-		return ret;
-	}
-
-	memset(&info, 0, sizeof(struct i2c_board_info));
-	info.addr = setup->i2c_address;
-	strlcpy(info.type, "wm8971", I2C_NAME_SIZE);
-
-	adapter = i2c_get_adapter(setup->i2c_bus);
-	if (!adapter) {
-		dev_err(&pdev->dev, "can't get i2c adapter %d\n",
-			setup->i2c_bus);
-		goto err_driver;
-	}
-
-	client = i2c_new_device(adapter, &info);
-	i2c_put_adapter(adapter);
-	if (!client) {
-		dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
-			(unsigned int)info.addr);
-		goto err_driver;
-	}
-
-	return 0;
-
-err_driver:
-	i2c_del_driver(&wm8971_i2c_driver);
-	return -ENODEV;
-}
-
 #endif
 
-static int wm8971_probe(struct platform_device *pdev)
+static int __init wm8971_modinit(void)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct wm8971_setup_data *setup;
-	struct snd_soc_codec *codec;
-	struct wm8971_priv *wm8971;
 	int ret = 0;
-
-	pr_info("WM8971 Audio Codec %s", WM8971_VERSION);
-
-	setup = socdev->codec_data;
-	codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
-	if (codec == NULL)
-		return -ENOMEM;
-
-	wm8971 = kzalloc(sizeof(struct wm8971_priv), GFP_KERNEL);
-	if (wm8971 == NULL) {
-		kfree(codec);
-		return -ENOMEM;
-	}
-
-	snd_soc_codec_set_drvdata(codec, wm8971);
-	socdev->card->codec = codec;
-	mutex_init(&codec->mutex);
-	INIT_LIST_HEAD(&codec->dapm_widgets);
-	INIT_LIST_HEAD(&codec->dapm_paths);
-	wm8971_socdev = socdev;
-
-	INIT_DELAYED_WORK(&codec->delayed_work, wm8971_work);
-	wm8971_workq = create_workqueue("wm8971");
-	if (wm8971_workq == NULL) {
-		kfree(snd_soc_codec_get_drvdata(codec));
-		kfree(codec);
-		return -ENOMEM;
-	}
-
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
-	if (setup->i2c_address) {
-		ret = wm8971_add_i2c_device(pdev, setup);
-	}
-#endif
-	/* Add other interfaces here */
-
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+	ret = i2c_add_driver(&wm8971_i2c_driver);
 	if (ret != 0) {
-		destroy_workqueue(wm8971_workq);
-		kfree(snd_soc_codec_get_drvdata(codec));
-		kfree(codec);
+		printk(KERN_ERR "Failed to register WM8971 I2C driver: %d\n",
+		       ret);
 	}
-
-	return ret;
-}
-
-/* power down chip */
-static int wm8971_remove(struct platform_device *pdev)
-{
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec = socdev->card->codec;
-
-	if (codec->control_data)
-		wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
-	if (wm8971_workq)
-		destroy_workqueue(wm8971_workq);
-	snd_soc_free_pcms(socdev);
-	snd_soc_dapm_free(socdev);
-#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
-	i2c_unregister_device(codec->control_data);
-	i2c_del_driver(&wm8971_i2c_driver);
 #endif
-	kfree(snd_soc_codec_get_drvdata(codec));
-	kfree(codec);
-
-	return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8971 = {
-	.probe = 	wm8971_probe,
-	.remove = 	wm8971_remove,
-	.suspend = 	wm8971_suspend,
-	.resume =	wm8971_resume,
-};
-
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8971);
-
-static int __init wm8971_modinit(void)
-{
-	return snd_soc_register_dai(&wm8971_dai);
+	return ret;
 }
 module_init(wm8971_modinit);
 
 static void __exit wm8971_exit(void)
 {
-	snd_soc_unregister_dai(&wm8971_dai);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+	i2c_del_driver(&wm8971_i2c_driver);
+#endif
 }
 module_exit(wm8971_exit);