Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / sound / soc / codecs / tlv320aic3x.c
index cb0d1bf..3395cf9 100644 (file)
@@ -53,6 +53,7 @@
 
 /* codec private data */
 struct aic3x_priv {
+       struct snd_soc_codec codec;
        unsigned int sysclk;
        int master;
 };
@@ -145,8 +146,8 @@ static int aic3x_read(struct snd_soc_codec *codec, unsigned int reg,
                      u8 *value)
 {
        *value = reg & 0xff;
-       if (codec->hw_read(codec->control_data, value, 1) != 1)
-               return -EIO;
+
+       value[0] = i2c_smbus_read_byte_data(codec->control_data, value[0]);
 
        aic3x_write_reg_cache(codec, reg, *value);
        return 0;
@@ -1156,11 +1157,13 @@ static int aic3x_resume(struct platform_device *pdev)
  * initialise the AIC3X driver
  * register the mixer and dsp interfaces with the kernel
  */
-static int aic3x_init(struct snd_soc_device *socdev)
+static int aic3x_init(struct snd_soc_codec *codec)
 {
-       struct snd_soc_codec *codec = socdev->card->codec;
-       struct aic3x_setup_data *setup = socdev->codec_data;
-       int reg, ret = 0;
+       int reg;
+
+       mutex_init(&codec->mutex);
+       INIT_LIST_HEAD(&codec->dapm_widgets);
+       INIT_LIST_HEAD(&codec->dapm_paths);
 
        codec->name = "tlv320aic3x";
        codec->owner = THIS_MODULE;
@@ -1177,13 +1180,6 @@ static int aic3x_init(struct snd_soc_device *socdev)
        aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT);
        aic3x_write(codec, AIC3X_RESET, SOFT_RESET);
 
-       /* register pcms */
-       ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
-       if (ret < 0) {
-               printk(KERN_ERR "aic3x: failed to create pcms\n");
-               goto pcm_err;
-       }
-
        /* DAC default volume and mute */
        aic3x_write(codec, LDAC_VOL, DEFAULT_VOL | MUTE_ON);
        aic3x_write(codec, RDAC_VOL, DEFAULT_VOL | MUTE_ON);
@@ -1250,30 +1246,51 @@ static int aic3x_init(struct snd_soc_device *socdev)
        /* off, with power on */
        aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
-       /* setup GPIO functions */
-       aic3x_write(codec, AIC3X_GPIO1_REG, (setup->gpio_func[0] & 0xf) << 4);
-       aic3x_write(codec, AIC3X_GPIO2_REG, (setup->gpio_func[1] & 0xf) << 4);
+       return 0;
+}
 
-       snd_soc_add_controls(codec, aic3x_snd_controls,
-                               ARRAY_SIZE(aic3x_snd_controls));
-       aic3x_add_widgets(codec);
-       ret = snd_soc_init_card(socdev);
+static struct snd_soc_codec *aic3x_codec;
+
+static int aic3x_register(struct snd_soc_codec *codec)
+{
+       int ret;
+
+       ret = aic3x_init(codec);
        if (ret < 0) {
-               printk(KERN_ERR "aic3x: failed to register card\n");
-               goto card_err;
+               dev_err(codec->dev, "Failed to initialise device\n");
+               return ret;
        }
 
-       return ret;
+       aic3x_codec = codec;
 
-card_err:
-       snd_soc_free_pcms(socdev);
-       snd_soc_dapm_free(socdev);
-pcm_err:
-       kfree(codec->reg_cache);
-       return ret;
+       ret = snd_soc_register_codec(codec);
+       if (ret) {
+               dev_err(codec->dev, "Failed to register codec\n");
+               return ret;
+       }
+
+       ret = snd_soc_register_dai(&aic3x_dai);
+       if (ret) {
+               dev_err(codec->dev, "Failed to register dai\n");
+               snd_soc_unregister_codec(codec);
+               return ret;
+       }
+
+       return 0;
 }
 
-static struct snd_soc_device *aic3x_socdev;
+static int aic3x_unregister(struct aic3x_priv *aic3x)
+{
+       aic3x_set_bias_level(&aic3x->codec, SND_SOC_BIAS_OFF);
+
+       snd_soc_unregister_dai(&aic3x_dai);
+       snd_soc_unregister_codec(&aic3x->codec);
+
+       kfree(aic3x);
+       aic3x_codec = NULL;
+
+       return 0;
+}
 
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 /*
@@ -1288,28 +1305,36 @@ static struct snd_soc_device *aic3x_socdev;
 static int aic3x_i2c_probe(struct i2c_client *i2c,
                           const struct i2c_device_id *id)
 {
-       struct snd_soc_device *socdev = aic3x_socdev;
-       struct snd_soc_codec *codec = socdev->card->codec;
-       int ret;
+       struct snd_soc_codec *codec;
+       struct aic3x_priv *aic3x;
 
-       i2c_set_clientdata(i2c, codec);
+       aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
+       if (aic3x == NULL) {
+               dev_err(&i2c->dev, "failed to create private data\n");
+               return -ENOMEM;
+       }
+
+       codec = &aic3x->codec;
+       codec->dev = &i2c->dev;
+       codec->private_data = aic3x;
        codec->control_data = i2c;
+       codec->hw_write = (hw_write_t) i2c_master_send;
 
-       ret = aic3x_init(socdev);
-       if (ret < 0)
-               printk(KERN_ERR "aic3x: failed to initialise AIC3X\n");
-       return ret;
+       i2c_set_clientdata(i2c, aic3x);
+
+       return aic3x_register(codec);
 }
 
 static int aic3x_i2c_remove(struct i2c_client *client)
 {
-       struct snd_soc_codec *codec = i2c_get_clientdata(client);
-       kfree(codec->reg_cache);
-       return 0;
+       struct aic3x_priv *aic3x = i2c_get_clientdata(client);
+
+       return aic3x_unregister(aic3x);
 }
 
 static const struct i2c_device_id aic3x_i2c_id[] = {
        { "tlv320aic3x", 0 },
+       { "tlv320aic33", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
@@ -1320,56 +1345,28 @@ static struct i2c_driver aic3x_i2c_driver = {
                .name = "aic3x I2C Codec",
                .owner = THIS_MODULE,
        },
-       .probe = aic3x_i2c_probe,
+       .probe  = aic3x_i2c_probe,
        .remove = aic3x_i2c_remove,
        .id_table = aic3x_i2c_id,
 };
 
-static int aic3x_i2c_read(struct i2c_client *client, u8 *value, int len)
+static inline void aic3x_i2c_init(void)
 {
-       value[0] = i2c_smbus_read_byte_data(client, value[0]);
-       return (len == 1);
-}
-
-static int aic3x_add_i2c_device(struct platform_device *pdev,
-                                const struct aic3x_setup_data *setup)
-{
-       struct i2c_board_info info;
-       struct i2c_adapter *adapter;
-       struct i2c_client *client;
        int ret;
 
        ret = i2c_add_driver(&aic3x_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, "tlv320aic3x", 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;
+       if (ret)
+               printk(KERN_ERR "%s: error regsitering i2c driver, %d\n",
+                      __func__, ret);
+}
 
-err_driver:
+static inline void aic3x_i2c_exit(void)
+{
        i2c_del_driver(&aic3x_i2c_driver);
-       return -ENODEV;
 }
+#else
+static inline void aic3x_i2c_init(void) { }
+static inline void aic3x_i2c_exit(void) { }
 #endif
 
 static int aic3x_probe(struct platform_device *pdev)
@@ -1377,43 +1374,51 @@ static int aic3x_probe(struct platform_device *pdev)
        struct snd_soc_device *socdev = platform_get_drvdata(pdev);
        struct aic3x_setup_data *setup;
        struct snd_soc_codec *codec;
-       struct aic3x_priv *aic3x;
        int ret = 0;
 
-       printk(KERN_INFO "AIC3X Audio Codec %s\n", AIC3X_VERSION);
+       codec = aic3x_codec;
+       if (!codec) {
+               dev_err(&pdev->dev, "Codec not registered\n");
+               return -ENODEV;
+       }
 
+       socdev->card->codec = codec;
        setup = socdev->codec_data;
-       codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
-       if (codec == NULL)
-               return -ENOMEM;
 
-       aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
-       if (aic3x == NULL) {
-               kfree(codec);
-               return -ENOMEM;
+       if (setup) {
+               /* setup GPIO functions */
+               aic3x_write(codec, AIC3X_GPIO1_REG,
+                           (setup->gpio_func[0] & 0xf) << 4);
+               aic3x_write(codec, AIC3X_GPIO2_REG,
+                           (setup->gpio_func[1] & 0xf) << 4);
        }
 
-       codec->private_data = aic3x;
-       socdev->card->codec = codec;
-       mutex_init(&codec->mutex);
-       INIT_LIST_HEAD(&codec->dapm_widgets);
-       INIT_LIST_HEAD(&codec->dapm_paths);
-
-       aic3x_socdev = socdev;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-       if (setup->i2c_address) {
-               codec->hw_write = (hw_write_t) i2c_master_send;
-               codec->hw_read = (hw_read_t) aic3x_i2c_read;
-               ret = aic3x_add_i2c_device(pdev, setup);
+       /* register pcms */
+       ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+       if (ret < 0) {
+               printk(KERN_ERR "aic3x: failed to create pcms\n");
+               goto pcm_err;
        }
-#else
-       /* Add other interfaces here */
-#endif
 
-       if (ret != 0) {
-               kfree(codec->private_data);
-               kfree(codec);
+       snd_soc_add_controls(codec, aic3x_snd_controls,
+                            ARRAY_SIZE(aic3x_snd_controls));
+
+       aic3x_add_widgets(codec);
+
+       ret = snd_soc_init_card(socdev);
+       if (ret < 0) {
+               printk(KERN_ERR "aic3x: failed to register card\n");
+               goto card_err;
        }
+
+       return ret;
+
+card_err:
+       snd_soc_free_pcms(socdev);
+       snd_soc_dapm_free(socdev);
+
+pcm_err:
+       kfree(codec->reg_cache);
        return ret;
 }
 
@@ -1428,12 +1433,8 @@ static int aic3x_remove(struct platform_device *pdev)
 
        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(&aic3x_i2c_driver);
-#endif
-       kfree(codec->private_data);
-       kfree(codec);
+
+       kfree(codec->reg_cache);
 
        return 0;
 }
@@ -1448,13 +1449,15 @@ EXPORT_SYMBOL_GPL(soc_codec_dev_aic3x);
 
 static int __init aic3x_modinit(void)
 {
-       return snd_soc_register_dai(&aic3x_dai);
+       aic3x_i2c_init();
+
+       return 0;
 }
 module_init(aic3x_modinit);
 
 static void __exit aic3x_exit(void)
 {
-       snd_soc_unregister_dai(&aic3x_dai);
+       aic3x_i2c_exit();
 }
 module_exit(aic3x_exit);