1 files changed, 128 insertions, 116 deletions

diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index ab099f482487..3395cf945d56 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -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;
@@ -767,6 +768,7 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
         int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0;
         u8 data, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1;
         u16 pll_d = 1;
+        u8 reg;
 
         /* select data word length */
         data =
@@ -801,8 +803,16 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
                 pll_q &= 0xf;
                 aic3x_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT);
                 aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV);
-        } else
+                /* disable PLL if it is bypassed */
+                reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
+                aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg & ~PLL_ENABLE);
+
+        } else {
                 aic3x_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV);
+                /* enable PLL when it is used */
+                reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
+                aic3x_write(codec, AIC3X_PLL_PROGA_REG, reg | PLL_ENABLE);
+        }
 
         /* Route Left DAC to left channel input and
          * right DAC to right channel input */
@@ -1147,11 +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;
@@ -1168,13 +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);
@@ -1241,30 +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;
+}
+
+static struct snd_soc_codec *aic3x_codec;
 
-        snd_soc_add_controls(codec, aic3x_snd_controls,
-                                ARRAY_SIZE(aic3x_snd_controls));
-        aic3x_add_widgets(codec);
-        ret = snd_soc_init_card(socdev);
+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)
 /*
@@ -1279,28 +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;
+
+        aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
+        if (aic3x == NULL) {
+                dev_err(&i2c->dev, "failed to create private data\n");
+                return -ENOMEM;
+        }
 
-        i2c_set_clientdata(i2c, codec);
+        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);
@@ -1311,56 +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)
-{
-        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)
+static inline void aic3x_i2c_init(void)
 {
-        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)
@@ -1368,43 +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;
 }
 
@@ -1419,12 +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;
 }
@@ -1439,13 +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);