/* codec private data */
struct wm8971_priv {
+ enum snd_soc_control_type control_type;
+ void *control_data;
unsigned int sysclk;
};
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;
.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,
.formats = WM8971_FORMATS,},
.ops = &wm8971_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8971_dai);
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;
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;
+
+ pr_info("WM8971 Audio Codec %s", WM8971_VERSION);
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ codec->control_data = wm8971->control_data;
+ 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;
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 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,
+};
-static int wm8971_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#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);
+ wm8971->control_data = i2c;
- 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;
}
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);
projects / mv-sheeva.git / blobdiff