static int ak4535_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
ak4535_sync(codec);
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ak4535_set_bias_level(codec, codec->suspend_bias_level);
return 0;
}
static int ak4535_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
/*
* initialise the AK4535 driver
* register the mixer and dsp interfaces with the kernel
*/
static int ak4535_init(struct snd_soc_device *socdev)
{
struct snd_soc_codec *codec = socdev->card->codec;
int ret = 0;
codec->name = "AK4535";
codec->owner = THIS_MODULE;
codec->read = ak4535_read_reg_cache;
codec->write = ak4535_write;
codec->set_bias_level = ak4535_set_bias_level;
codec->dai = &ak4535_dai;
codec->num_dai = 1;
codec->reg_cache_size = ARRAY_SIZE(ak4535_reg);
codec->reg_cache = kmemdup(ak4535_reg, sizeof(ak4535_reg), GFP_KERNEL);
if (codec->reg_cache == NULL)
return -ENOMEM;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "ak4535: failed to create pcms\n");
goto pcm_err;
}
/* power on device */
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_controls(codec, ak4535_snd_controls,
ARRAY_SIZE(ak4535_snd_controls));
ak4535_add_widgets(codec);
ret = snd_soc_init_card(socdev);
if (ret < 0) {
printk(KERN_ERR "ak4535: failed to register card\n");
goto card_err;
}
return ret;
card_err:
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
kfree(codec->reg_cache);
return ret;
}
static int ak4535_probe(struct snd_soc_codec *codec)
{
struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
codec->control_data = ak4535->control_data;
/* power on device */
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_controls(codec, ak4535_snd_controls,
ARRAY_SIZE(ak4535_snd_controls));
ak4535_add_widgets(codec);
return 0;
}
static int ak4535_probe(struct snd_soc_codec *codec)
{
struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
int ret;
codec->control_data = ak4535->regmap;
ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
/* */
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_codec_controls(codec, ak4535_snd_controls,
ARRAY_SIZE(ak4535_snd_controls));
return 0;
}
/* power down chip */
static int ak4535_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->codec;
if (codec->control_data)
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
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(&ak4535_i2c_driver);
#endif
kfree(codec->private_data);
kfree(codec);
return 0;
}
static int ak4535_remove(struct snd_soc_codec *codec)
{
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int ak4535_resume(struct snd_soc_codec *codec)
{
snd_soc_cache_sync(codec);
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int ak4535_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
