#include <sound/initval.h>
#include <sound/tlv.h>
-#include "ak4642.h"
-
#define AK4642_VERSION "0.0.1"
#define PW_MGMT1 0x00
#define FS3 (1 << 5)
#define FS_MASK (FS0 | FS1 | FS2 | FS3)
-struct snd_soc_codec_device soc_codec_dev_ak4642;
/*
* Playback Volume (table 39)
/* codec private data */
struct ak4642_priv {
- struct snd_soc_codec codec;
+ unsigned int sysclk;
+ enum snd_soc_control_type control_type;
+ void *control_data;
};
-static struct snd_soc_codec *ak4642_codec;
-
/*
* ak4642 register cache
*/
.hw_params = ak4642_dai_hw_params,
};
-struct snd_soc_dai ak4642_dai = {
- .name = "AK4642",
+static struct snd_soc_dai_driver ak4642_dai = {
+ .name = "ak4642-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &ak4642_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(ak4642_dai);
-static int ak4642_resume(struct platform_device *pdev)
+static int ak4642_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
ak4642_sync(codec);
return 0;
}
-/*
- * initialise the AK4642 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int ak4642_init(struct ak4642_priv *ak4642)
+
+static int ak4642_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = &ak4642->codec;
- int ret = 0;
+ struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec);
- if (ak4642_codec) {
- dev_err(codec->dev, "Another ak4642 is registered\n");
- return -EINVAL;
- }
+ dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION);
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, ak4642);
- codec->name = "AK4642";
- codec->owner = THIS_MODULE;
- codec->read = ak4642_read_reg_cache;
- codec->write = ak4642_write;
- codec->dai = &ak4642_dai;
- codec->num_dai = 1;
codec->hw_write = (hw_write_t)i2c_master_send;
- codec->reg_cache_size = ARRAY_SIZE(ak4642_reg);
- codec->reg_cache = kmemdup(ak4642_reg,
- sizeof(ak4642_reg), GFP_KERNEL);
-
- if (!codec->reg_cache)
- return -ENOMEM;
-
- ak4642_dai.dev = codec->dev;
- ak4642_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto reg_cache_err;
- }
+ codec->control_data = ak4642->control_data;
- ret = snd_soc_register_dai(&ak4642_dai);
- if (ret) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- goto reg_cache_err;
- }
-
- return ret;
-
-reg_cache_err:
- kfree(codec->reg_cache);
- codec->reg_cache = NULL;
- return ret;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
+ .probe = ak4642_probe,
+ .resume = ak4642_resume,
+ .read = ak4642_read_reg_cache,
+ .write = ak4642_write,
+ .reg_cache_size = ARRAY_SIZE(ak4642_reg),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = ak4642_reg,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static int ak4642_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static __devinit int ak4642_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct ak4642_priv *ak4642;
- struct snd_soc_codec *codec;
int ret;
ak4642 = kzalloc(sizeof(struct ak4642_priv), GFP_KERNEL);
- if (!ak4642)
+ if (ak4642 == NULL)
return -ENOMEM;
- codec = &ak4642->codec;
- codec->dev = &i2c->dev;
-
i2c_set_clientdata(i2c, ak4642);
- codec->control_data = i2c;
+ ak4642->control_data = i2c;
+ ak4642->control_type = SND_SOC_I2C;
- ret = ak4642_init(ak4642);
- if (ret < 0) {
- printk(KERN_ERR "failed to initialise AK4642\n");
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_ak4642, &ak4642_dai, 1);
+ if (ret < 0)
kfree(ak4642);
- }
-
return ret;
}
-static int ak4642_i2c_remove(struct i2c_client *client)
+static __devexit int ak4642_i2c_remove(struct i2c_client *client)
{
- struct ak4642_priv *ak4642 = i2c_get_clientdata(client);
-
- snd_soc_unregister_dai(&ak4642_dai);
- snd_soc_unregister_codec(&ak4642->codec);
- kfree(ak4642->codec.reg_cache);
- kfree(ak4642);
- ak4642_codec = NULL;
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver ak4642_i2c_driver = {
.driver = {
- .name = "AK4642 I2C Codec",
+ .name = "ak4642-codec",
.owner = THIS_MODULE,
},
- .probe = ak4642_i2c_probe,
- .remove = ak4642_i2c_remove,
- .id_table = ak4642_i2c_id,
+ .probe = ak4642_i2c_probe,
+ .remove = __devexit_p(ak4642_i2c_remove),
+ .id_table = ak4642_i2c_id,
};
-
#endif
-static int ak4642_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- int ret;
-
- if (!ak4642_codec) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = ak4642_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "ak4642: failed to create pcms\n");
- goto pcm_err;
- }
-
- snd_soc_add_controls(ak4642_codec, ak4642_snd_controls,
- ARRAY_SIZE(ak4642_snd_controls));
-
- dev_info(&pdev->dev, "AK4642 Audio Codec %s", AK4642_VERSION);
- return ret;
-
-pcm_err:
- return ret;
-
-}
-
-/* power down chip */
-static int ak4642_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_ak4642 = {
- .probe = ak4642_probe,
- .remove = ak4642_remove,
- .resume = ak4642_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ak4642);
-
static int __init ak4642_modinit(void)
{
int ret = 0;
projects / mv-sheeva.git / blobdiff