#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "ak4671.h"
-static struct snd_soc_codec *ak4671_codec;
/* codec private data */
struct ak4671_priv {
- struct snd_soc_codec codec;
- u8 reg_cache[AK4671_CACHEREGNUM];
+ enum snd_soc_control_type control_type;
+ void *control_data;
};
/* ak4671 register cache & default register settings */
static int ak4671_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, ak4671_dapm_widgets,
- ARRAY_SIZE(ak4671_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+ snd_soc_dapm_new_controls(dapm, ak4671_dapm_widgets,
+ ARRAY_SIZE(ak4671_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
return 0;
}
snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
.set_fmt = ak4671_set_dai_fmt,
};
-struct snd_soc_dai ak4671_dai = {
- .name = "AK4671",
+static struct snd_soc_dai_driver ak4671_dai = {
+ .name = "ak4671-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.formats = AK4671_FORMATS,},
.ops = &ak4671_dai_ops,
};
-EXPORT_SYMBOL_GPL(ak4671_dai);
-static int ak4671_probe(struct platform_device *pdev)
+static int ak4671_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (ak4671_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
+ struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- socdev->card->codec = ak4671_codec;
- codec = ak4671_codec;
+ codec->hw_write = (hw_write_t)i2c_master_send;
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type);
if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
snd_soc_add_controls(codec, ak4671_snd_controls,
ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return ret;
-
-pcm_err:
- return ret;
}
-static int ak4671_remove(struct platform_device *pdev)
+static int ak4671_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);
-
+ ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_ak4671 = {
+static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
.probe = ak4671_probe,
.remove = ak4671_remove,
+ .set_bias_level = ak4671_set_bias_level,
+ .reg_cache_size = AK4671_CACHEREGNUM,
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = ak4671_reg,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ak4671);
-
-static int ak4671_register(struct ak4671_priv *ak4671,
- enum snd_soc_control_type control)
-{
- int ret;
- struct snd_soc_codec *codec = &ak4671->codec;
-
- if (ak4671_codec) {
- dev_err(codec->dev, "Another AK4671 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, ak4671);
- codec->name = "AK4671";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = ak4671_set_bias_level;
- codec->dai = &ak4671_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = AK4671_CACHEREGNUM;
- codec->reg_cache = &ak4671->reg_cache;
-
- memcpy(codec->reg_cache, ak4671_reg, sizeof(ak4671_reg));
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, control);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
- ak4671_dai.dev = codec->dev;
- ak4671_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(&ak4671_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(ak4671);
- return ret;
-}
-
-static void ak4671_unregister(struct ak4671_priv *ak4671)
-{
- ak4671_set_bias_level(&ak4671->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dai(&ak4671_dai);
- snd_soc_unregister_codec(&ak4671->codec);
- kfree(ak4671);
- ak4671_codec = NULL;
-}
static int __devinit ak4671_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ak4671_priv *ak4671;
- struct snd_soc_codec *codec;
+ int ret;
ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL);
if (ak4671 == NULL)
return -ENOMEM;
- codec = &ak4671->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(client, ak4671);
- codec->control_data = client;
-
- codec->dev = &client->dev;
+ ak4671->control_data = client;
+ ak4671->control_type = SND_SOC_I2C;
- return ak4671_register(ak4671, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&client->dev,
+ &soc_codec_dev_ak4671, &ak4671_dai, 1);
+ if (ret < 0)
+ kfree(ak4671);
+ return ret;
}
static __devexit int ak4671_i2c_remove(struct i2c_client *client)
{
- struct ak4671_priv *ak4671 = i2c_get_clientdata(client);
-
- ak4671_unregister(ak4671);
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver ak4671_i2c_driver = {
.driver = {
- .name = "ak4671",
+ .name = "ak4671-codec",
.owner = THIS_MODULE,
},
.probe = ak4671_i2c_probe,
projects / mv-sheeva.git / blobdiff