#include "wm8741.h"
-static struct snd_soc_codec *wm8741_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8741;
-
#define WM8741_NUM_SUPPLIES 2
static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = {
"AVDD",
/* codec private data */
struct wm8741_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
u16 reg_cache[WM8741_REGISTER_COUNT];
struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES];
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 wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1FC;
int i;
.set_fmt = wm8741_set_dai_fmt,
};
-struct snd_soc_dai wm8741_dai = {
+static struct snd_soc_dai_driver wm8741_dai = {
.name = "WM8741",
.playback = {
.stream_name = "Playback",
},
.ops = &wm8741_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8741_dai);
#ifdef CONFIG_PM
-static int wm8741_resume(struct platform_device *pdev)
+static int wm8741_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
u16 *cache = codec->reg_cache;
int i;
#define wm8741_resume NULL
#endif
-static int wm8741_probe(struct platform_device *pdev)
+static int wm8741_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
+ struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
- if (wm8741_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
+ codec->control_data = wm8741->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8741->control_type);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
- socdev->card->codec = wm8741_codec;
- codec = wm8741_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ ret = wm8741_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;
}
+ /* Change some default settings - latch VU */
+ wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
+ wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
+ wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
+ wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
+
snd_soc_add_controls(codec, wm8741_snd_controls,
ARRAY_SIZE(wm8741_snd_controls));
wm8741_add_widgets(codec);
+ dev_dbg(codec->dev, "Successful registration\n");
return ret;
-
-pcm_err:
- return ret;
-}
-
-static int wm8741_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_wm8741 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm8741 = {
.probe = wm8741_probe,
- .remove = wm8741_remove,
.resume = wm8741_resume,
+ .reg_cache_size = sizeof(wm8741_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = &wm8741_reg_defaults,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8741);
-static int wm8741_register(struct wm8741_priv *wm8741,
- enum snd_soc_control_type control)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static int wm8741_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- int ret;
- struct snd_soc_codec *codec = &wm8741->codec;
- int i;
-
- if (wm8741_codec) {
- dev_err(codec->dev, "Another WM8741 is registered\n");
- return -EINVAL;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+ struct wm8741_priv *wm8741;
+ int ret, i;
- snd_soc_codec_set_drvdata(codec, wm8741);
- codec->name = "WM8741";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = NULL;
- codec->dai = &wm8741_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8741_REGISTER_COUNT;
- codec->reg_cache = &wm8741->reg_cache;
+ wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
+ if (wm8741 == NULL)
+ return -ENOMEM;
wm8741->rate_constraint.list = &wm8741->rate_constraint_list[0];
wm8741->rate_constraint.count =
ARRAY_SIZE(wm8741->rate_constraint_list);
- memcpy(codec->reg_cache, wm8741_reg_defaults,
- sizeof(wm8741->reg_cache));
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++)
wm8741->supplies[i].supply = wm8741_supply_names[i];
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8741->supplies),
+ ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8741->supplies),
wm8741->supplies);
if (ret != 0) {
- dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
goto err;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies),
wm8741->supplies);
if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
goto err_get;
}
- ret = wm8741_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- goto err_enable;
- }
-
- wm8741_dai.dev = codec->dev;
-
- /* Change some default settings - latch VU */
- wm8741->reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
- wm8741->reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
- wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
- wm8741->reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
-
- wm8741_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_register_dai(&wm8741_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- return ret;
- }
+ i2c_set_clientdata(i2c, wm8741);
+ wm8741->control_data = i2c;
+ wm8741->control_type = SND_SOC_I2C;
- dev_dbg(codec->dev, "Successful registration\n");
- return 0;
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8741, &wm8741_dai, 1);
+ if (ret < 0)
+ goto err_enable;
+ return ret;
err_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
err_get:
regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
-
err:
kfree(wm8741);
return ret;
}
-static void wm8741_unregister(struct wm8741_priv *wm8741)
-{
- regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
-
- snd_soc_unregister_dai(&wm8741_dai);
- snd_soc_unregister_codec(&wm8741->codec);
- kfree(wm8741);
- wm8741_codec = NULL;
-}
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8741_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct wm8741_priv *wm8741;
- struct snd_soc_codec *codec;
-
- wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
- if (wm8741 == NULL)
- return -ENOMEM;
-
- codec = &wm8741->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
- i2c_set_clientdata(i2c, wm8741);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
-
- return wm8741_register(wm8741, SND_SOC_I2C);
-}
-
-static __devexit int wm8741_i2c_remove(struct i2c_client *client)
+static int wm8741_i2c_remove(struct i2c_client *client)
{
struct wm8741_priv *wm8741 = i2c_get_clientdata(client);
- wm8741_unregister(wm8741);
+
+ snd_soc_unregister_codec(&client->dev);
+ regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
+ kfree(i2c_get_clientdata(client));
return 0;
}
};
MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id);
-
static struct i2c_driver wm8741_i2c_driver = {
.driver = {
- .name = "WM8741",
+ .name = "wm8741-codec",
.owner = THIS_MODULE,
},
.probe = wm8741_i2c_probe,
- .remove = __devexit_p(wm8741_i2c_remove),
+ .remove = wm8741_i2c_remove,
.id_table = wm8741_i2c_id,
};
#endif
static int __init wm8741_modinit(void)
{
- int ret;
+ int ret = 0;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8741_i2c_driver);
if (ret != 0) {
- printk(KERN_ERR "Failed to register WM8741 I2C driver: %d\n",
- ret);
+ pr_err("Failed to register WM8741 I2C driver: %d\n", ret);
}
#endif
- return 0;
+
+ return ret;
}
module_init(wm8741_modinit);
projects / mv-sheeva.git / blobdiff