1 files changed, 84 insertions, 185 deletions

diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index e2c05e3e323a..89863a5bc830 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -52,7 +52,8 @@ static const u16 wm8750_reg[] = {
 /* codec private data */
 struct wm8750_priv {
         unsigned int sysclk;
-        struct snd_soc_codec codec;
+        enum snd_soc_control_type control_type;
+        void *control_data;
         u16 reg_cache[ARRAY_SIZE(wm8750_reg)];
 };
 
@@ -560,8 +561,7 @@ static int wm8750_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 wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
         u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
         u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
@@ -649,8 +649,8 @@ static struct snd_soc_dai_ops wm8750_dai_ops = {
         .set_sysclk     = wm8750_set_dai_sysclk,
 };
 
-struct snd_soc_dai wm8750_dai = {
-        .name = "WM8750",
+static struct snd_soc_dai_driver wm8750_dai = {
+        .name = "wm8750-hifi",
         .playback = {
                 .stream_name = "Playback",
                 .channels_min = 1,
@@ -665,21 +665,15 @@ struct snd_soc_dai wm8750_dai = {
                 .formats = WM8750_FORMATS,},
         .ops = &wm8750_dai_ops,
 };
-EXPORT_SYMBOL_GPL(wm8750_dai);
 
-static int wm8750_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8750_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;
-
         wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
         return 0;
 }
 
-static int wm8750_resume(struct platform_device *pdev)
+static int wm8750_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;
@@ -698,100 +692,22 @@ static int wm8750_resume(struct platform_device *pdev)
         return 0;
 }
 
-static struct snd_soc_codec *wm8750_codec;
-
-static int wm8750_probe(struct platform_device *pdev)
+static int wm8750_probe(struct snd_soc_codec *codec)
 {
-        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-        struct snd_soc_codec *codec;
-        int ret = 0;
-
-        if (!wm8750_codec) {
-                dev_err(&pdev->dev, "WM8750 codec not yet registered\n");
-                return -EINVAL;
-        }
-
-        socdev->card->codec = wm8750_codec;
-        codec = wm8750_codec;
-
-        /* register pcms */
-        ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-        if (ret < 0) {
-                printk(KERN_ERR "wm8750: failed to create pcms\n");
-                goto err;
-        }
-
-        snd_soc_add_controls(codec, wm8750_snd_controls,
-                                ARRAY_SIZE(wm8750_snd_controls));
-        wm8750_add_widgets(codec);
-
-        return 0;
-
-err:
-        return ret;
-}
-
-/* power down chip */
-static int wm8750_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_wm8750 = {
-        .probe          = wm8750_probe,
-        .remove         = wm8750_remove,
-        .suspend        = wm8750_suspend,
-        .resume         = wm8750_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
-
-/*
- * initialise the WM8750 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int wm8750_register(struct wm8750_priv *wm8750,
-                        enum snd_soc_control_type control)
-{
-        struct snd_soc_codec *codec = &wm8750->codec;
-        int reg, ret = 0;
-
-        if (wm8750_codec) {
-                dev_err(codec->dev, "Multiple WM8750 devices not supported\n");
-                ret = -EINVAL;
-                goto err;
-        }
-
-        mutex_init(&codec->mutex);
-        INIT_LIST_HEAD(&codec->dapm_widgets);
-        INIT_LIST_HEAD(&codec->dapm_paths);
-
-        codec->name = "WM8750";
-        codec->owner = THIS_MODULE;
-        codec->bias_level = SND_SOC_BIAS_STANDBY;
-        codec->set_bias_level = wm8750_set_bias_level;
-        codec->dai = &wm8750_dai;
-        codec->num_dai = 1;
-        codec->reg_cache_size = ARRAY_SIZE(wm8750->reg_cache) + 1;
-        codec->reg_cache = &wm8750->reg_cache;
-        snd_soc_codec_set_drvdata(codec, wm8750);
-
-        memcpy(codec->reg_cache, wm8750_reg, sizeof(wm8750->reg_cache));
+        struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
+        int reg, ret;
 
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+        codec->control_data = wm8750->control_data;
+        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
         if (ret < 0) {
                 printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
-                goto err;
+                return ret;
         }
 
         ret = wm8750_reset(codec);
         if (ret < 0) {
                 printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
-                goto err;
+                return ret;
         }
 
         /* charge output caps */
@@ -815,150 +731,133 @@ static int wm8750_register(struct wm8750_priv *wm8750,
         reg = snd_soc_read(codec, WM8750_RINVOL);
         snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
 
-        wm8750_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_dais(&wm8750_dai, 1);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
-                goto err_codec;
-        }
-
-        return 0;
-
-err_codec:
-        snd_soc_unregister_codec(codec);
-err:
-        kfree(wm8750);
+        snd_soc_add_controls(codec, wm8750_snd_controls,
+                                ARRAY_SIZE(wm8750_snd_controls));
+        wm8750_add_widgets(codec);
         return ret;
 }
 
-static void wm8750_unregister(struct wm8750_priv *wm8750)
+static int wm8750_remove(struct snd_soc_codec *codec)
 {
-        wm8750_set_bias_level(&wm8750->codec, SND_SOC_BIAS_OFF);
-        snd_soc_unregister_dais(&wm8750_dai, 1);
-        snd_soc_unregister_codec(&wm8750->codec);
-        kfree(wm8750);
-        wm8750_codec = NULL;
+        wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
+        return 0;
 }
 
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-/*
- * WM8750 2 wire address is determined by GPIO5
- * state during powerup.
- *    low  = 0x1a
- *    high = 0x1b
- */
+static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
+        .probe =        wm8750_probe,
+        .remove =       wm8750_remove,
+        .suspend =      wm8750_suspend,
+        .resume =       wm8750_resume,
+        .set_bias_level = wm8750_set_bias_level,
+        .reg_cache_size = sizeof(wm8750_reg),
+        .reg_word_size = sizeof(u16),
+        .reg_cache_default = wm8750_reg,
+};
 
-static int wm8750_i2c_probe(struct i2c_client *i2c,
-                            const struct i2c_device_id *id)
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8750_spi_probe(struct spi_device *spi)
 {
-        struct snd_soc_codec *codec;
         struct wm8750_priv *wm8750;
+        int ret;
 
         wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
         if (wm8750 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8750->codec;
-        codec->control_data = i2c;
-        i2c_set_clientdata(i2c, wm8750);
-
-        codec->dev = &i2c->dev;
+        wm8750->control_data = spi;
+        wm8750->control_type = SND_SOC_SPI;
+        spi_set_drvdata(spi, wm8750);
 
-        return wm8750_register(wm8750, SND_SOC_I2C);
+        ret = snd_soc_register_codec(&spi->dev,
+                        &soc_codec_dev_wm8750, &wm8750_dai, 1);
+        if (ret < 0)
+                kfree(wm8750);
+        return ret;
 }
 
-static int wm8750_i2c_remove(struct i2c_client *client)
+static int __devexit wm8750_spi_remove(struct spi_device *spi)
 {
-        struct wm8750_priv *wm8750 = i2c_get_clientdata(client);
-        wm8750_unregister(wm8750);
+        snd_soc_unregister_codec(&spi->dev);
+        kfree(spi_get_drvdata(spi));
         return 0;
 }
 
-static const struct i2c_device_id wm8750_i2c_id[] = {
-        { "wm8750", 0 },
-        { "wm8987", 0 }, /* WM8987 is register compatible with WM8750 */
-        { }
-};
-MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
-
-static struct i2c_driver wm8750_i2c_driver = {
+static struct spi_driver wm8750_spi_driver = {
         .driver = {
-                .name = "WM8750 I2C Codec",
-                .owner = THIS_MODULE,
+                .name   = "wm8750-codec",
+                .bus    = &spi_bus_type,
+                .owner  = THIS_MODULE,
         },
-        .probe =    wm8750_i2c_probe,
-        .remove =   wm8750_i2c_remove,
-        .id_table = wm8750_i2c_id,
+        .probe          = wm8750_spi_probe,
+        .remove         = __devexit_p(wm8750_spi_remove),
 };
-#endif
+#endif /* CONFIG_SPI_MASTER */
 
-#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8750_spi_probe(struct spi_device *spi)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
+                                      const struct i2c_device_id *id)
 {
-        struct snd_soc_codec *codec;
         struct wm8750_priv *wm8750;
+        int ret;
 
         wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
         if (wm8750 == NULL)
                 return -ENOMEM;
 
-        codec = &wm8750->codec;
-        codec->control_data = spi;
-        codec->dev = &spi->dev;
-
-        dev_set_drvdata(&spi->dev, wm8750);
+        i2c_set_clientdata(i2c, wm8750);
+        wm8750->control_data = i2c;
+        wm8750->control_type = SND_SOC_I2C;
 
-        return wm8750_register(wm8750, SND_SOC_SPI);
+        ret =  snd_soc_register_codec(&i2c->dev,
+                        &soc_codec_dev_wm8750, &wm8750_dai, 1);
+        if (ret < 0)
+                kfree(wm8750);
+        return ret;
 }
 
-static int __devexit wm8750_spi_remove(struct spi_device *spi)
+static __devexit int wm8750_i2c_remove(struct i2c_client *client)
 {
-        struct wm8750_priv *wm8750 = dev_get_drvdata(&spi->dev);
-        wm8750_unregister(wm8750);
+        snd_soc_unregister_codec(&client->dev);
+        kfree(i2c_get_clientdata(client));
         return 0;
 }
 
-static const struct spi_device_id wm8750_spi_id[] = {
+static const struct i2c_device_id wm8750_i2c_id[] = {
         { "wm8750", 0 },
         { "wm8987", 0 },
         { }
 };
-MODULE_DEVICE_TABLE(spi, wm8750_spi_id);
+MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
 
-static struct spi_driver wm8750_spi_driver = {
+static struct i2c_driver wm8750_i2c_driver = {
         .driver = {
-                .name   = "WM8750 SPI Codec",
-                .bus    = &spi_bus_type,
-                .owner  = THIS_MODULE,
+                .name = "wm8750-codec",
+                .owner = THIS_MODULE,
         },
-        .probe          = wm8750_spi_probe,
-        .remove         = __devexit_p(wm8750_spi_remove),
-        .id_table       = wm8750_spi_id,
+        .probe =    wm8750_i2c_probe,
+        .remove =   __devexit_p(wm8750_i2c_remove),
+        .id_table = wm8750_i2c_id,
 };
 #endif
 
 static int __init wm8750_modinit(void)
 {
-        int ret;
+        int ret = 0;
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
         ret = i2c_add_driver(&wm8750_i2c_driver);
-        if (ret != 0)
-                pr_err("Failed to register WM8750 I2C driver: %d\n", ret);
+        if (ret != 0) {
+                printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
+                       ret);
+        }
 #endif
 #if defined(CONFIG_SPI_MASTER)
         ret = spi_register_driver(&wm8750_spi_driver);
-        if (ret != 0)
-                pr_err("Failed to register WM8750 SPI driver: %d\n", ret);
+        if (ret != 0) {
+                printk(KERN_ERR "Failed to register wm8750 SPI driver: %d\n",
+                       ret);
+        }
 #endif
-        return 0;
+        return ret;
 }
 module_init(wm8750_modinit);