1 files changed, 43 insertions, 124 deletions

diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index 1468fe10cbb..b4363f6d19b 100644
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -51,12 +51,10 @@ static const u16 wm8974_reg[WM8974_CACHEREGNUM] = {
 #define WM8974_POWER1_BUFIOEN 0x04
 
 struct wm8974_priv {
-	struct snd_soc_codec codec;
+	enum snd_soc_control_type control_type;
 	u16 reg_cache[WM8974_CACHEREGNUM];
 };
 
-static struct snd_soc_codec *wm8974_codec;
-
 #define wm8974_reset(c)	snd_soc_write(c, WM8974_RESET, 0)
 
 static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" };
@@ -566,8 +564,8 @@ static struct snd_soc_dai_ops wm8974_ops = {
 	.set_pll = wm8974_set_dai_pll,
 };
 
-struct snd_soc_dai wm8974_dai = {
-	.name = "WM8974 HiFi",
+static struct snd_soc_dai_driver wm8974_dai = {
+	.name = "wm8974-hifi",
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 1,
@@ -583,21 +581,15 @@ struct snd_soc_dai wm8974_dai = {
 	.ops = &wm8974_ops,
 	.symmetric_rates = 1,
 };
-EXPORT_SYMBOL_GPL(wm8974_dai);
 
-static int wm8974_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8974_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;
-
 	wm8974_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
-static int wm8974_resume(struct platform_device *pdev)
+static int wm8974_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;
@@ -613,156 +605,72 @@ static int wm8974_resume(struct platform_device *pdev)
 	return 0;
 }
 
-static int wm8974_probe(struct platform_device *pdev)
+static int wm8974_probe(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-	struct snd_soc_codec *codec;
 	int ret = 0;
 
-	if (wm8974_codec == NULL) {
-		dev_err(&pdev->dev, "Codec device not registered\n");
-		return -ENODEV;
+	ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_I2C);
+	if (ret < 0) {
+		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+		return ret;
 	}
 
-	socdev->card->codec = wm8974_codec;
-	codec = wm8974_codec;
-
-	/* register pcms */
-	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+	ret = wm8974_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;
 	}
 
+	wm8974_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 	snd_soc_add_controls(codec, wm8974_snd_controls,
 			     ARRAY_SIZE(wm8974_snd_controls));
 	wm8974_add_widgets(codec);
 
 	return ret;
-
-pcm_err:
-	return ret;
 }
 
 /* power down chip */
-static int wm8974_remove(struct platform_device *pdev)
+static int wm8974_remove(struct snd_soc_codec *codec)
 {
-	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
-	snd_soc_free_pcms(socdev);
-	snd_soc_dapm_free(socdev);
-
+	wm8974_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
-struct snd_soc_codec_device soc_codec_dev_wm8974 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm8974 = {
 	.probe = 	wm8974_probe,
 	.remove = 	wm8974_remove,
 	.suspend = 	wm8974_suspend,
 	.resume =	wm8974_resume,
+	.set_bias_level = wm8974_set_bias_level,
+	.reg_cache_size = ARRAY_SIZE(wm8974_reg),
+	.reg_word_size = sizeof(u16),
+	.reg_cache_default = wm8974_reg,
 };
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8974);
-
-static __devinit int wm8974_register(struct wm8974_priv *wm8974)
-{
-	int ret;
-	struct snd_soc_codec *codec = &wm8974->codec;
-
-	if (wm8974_codec) {
-		dev_err(codec->dev, "Another WM8974 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, wm8974);
-	codec->name = "WM8974";
-	codec->owner = THIS_MODULE;
-	codec->bias_level = SND_SOC_BIAS_OFF;
-	codec->set_bias_level = wm8974_set_bias_level;
-	codec->dai = &wm8974_dai;
-	codec->num_dai = 1;
-	codec->reg_cache_size = WM8974_CACHEREGNUM;
-	codec->reg_cache = &wm8974->reg_cache;
-
-	ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_I2C);
-	if (ret < 0) {
-		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-		goto err;
-	}
-
-	memcpy(codec->reg_cache, wm8974_reg, sizeof(wm8974_reg));
-
-	ret = wm8974_reset(codec);
-	if (ret < 0) {
-		dev_err(codec->dev, "Failed to issue reset\n");
-		goto err;
-	}
-
-	wm8974_dai.dev = codec->dev;
-
-	wm8974_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-	wm8974_codec = codec;
-
-	ret = snd_soc_register_codec(codec);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-		goto err;
-	}
-
-	ret = snd_soc_register_dai(&wm8974_dai);
-	if (ret != 0) {
-		dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-		goto err_codec;
-	}
-
-	return 0;
-
-err_codec:
-	snd_soc_unregister_codec(codec);
-err:
-	kfree(wm8974);
-	return ret;
-}
-
-static __devexit void wm8974_unregister(struct wm8974_priv *wm8974)
-{
-	wm8974_set_bias_level(&wm8974->codec, SND_SOC_BIAS_OFF);
-	snd_soc_unregister_dai(&wm8974_dai);
-	snd_soc_unregister_codec(&wm8974->codec);
-	kfree(wm8974);
-	wm8974_codec = NULL;
-}
 
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static __devinit int wm8974_i2c_probe(struct i2c_client *i2c,
 				      const struct i2c_device_id *id)
 {
 	struct wm8974_priv *wm8974;
-	struct snd_soc_codec *codec;
+	int ret;
 
 	wm8974 = kzalloc(sizeof(struct wm8974_priv), GFP_KERNEL);
 	if (wm8974 == NULL)
 		return -ENOMEM;
 
-	codec = &wm8974->codec;
-	codec->hw_write = (hw_write_t)i2c_master_send;
-
 	i2c_set_clientdata(i2c, wm8974);
-	codec->control_data = i2c;
-
-	codec->dev = &i2c->dev;
 
-	return wm8974_register(wm8974);
+	ret = snd_soc_register_codec(&i2c->dev,
+			&soc_codec_dev_wm8974, &wm8974_dai, 1);
+	if (ret < 0)
+		kfree(wm8974);
+	return ret;
 }
 
 static __devexit int wm8974_i2c_remove(struct i2c_client *client)
 {
-	struct wm8974_priv *wm8974 = i2c_get_clientdata(client);
-	wm8974_unregister(wm8974);
+	snd_soc_unregister_codec(&client->dev);
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
@@ -774,23 +682,34 @@ MODULE_DEVICE_TABLE(i2c, wm8974_i2c_id);
 
 static struct i2c_driver wm8974_i2c_driver = {
 	.driver = {
-		.name = "WM8974",
+		.name = "wm8974-codec",
 		.owner = THIS_MODULE,
 	},
 	.probe =    wm8974_i2c_probe,
 	.remove =   __devexit_p(wm8974_i2c_remove),
 	.id_table = wm8974_i2c_id,
 };
+#endif
 
 static int __init wm8974_modinit(void)
 {
-	return i2c_add_driver(&wm8974_i2c_driver);
+	int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+	ret = i2c_add_driver(&wm8974_i2c_driver);
+	if (ret != 0) {
+		printk(KERN_ERR "Failed to register wm8974 I2C driver: %d\n",
+		       ret);
+	}
+#endif
+	return ret;
 }
 module_init(wm8974_modinit);
 
 static void __exit wm8974_exit(void)
 {
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 	i2c_del_driver(&wm8974_i2c_driver);
+#endif
 }
 module_exit(wm8974_exit);