#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" };
.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,
.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;
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;
}
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);
git.samba.org / sfrench / cifs-2.6.git / blobdiff