static int uda134x_soc_suspend(struct snd_soc_codec *codec,
pm_message_t state)
{
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int uda134x_soc_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
return 0;
}
/* power down chip */
static int uda134x_soc_remove(struct snd_soc_codec *codec)
{
struct uda134x_priv *uda134x = snd_soc_codec_get_drvdata(codec);
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
kfree(uda134x);
return 0;
}
static int uda134x_soc_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;
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
/* power down chip */
static int uda134x_soc_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
uda134x_set_bias_level(codec, SND_SOC_BIAS_OFF);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
kfree(snd_soc_codec_get_drvdata(codec));
kfree(codec->reg_cache);
kfree(codec);
return 0;
}
static int uda134x_soc_resume(struct snd_soc_codec *codec)
{
uda134x_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
return 0;
}
static int uda134x_soc_probe(struct snd_soc_codec *codec)
{
struct uda134x_priv *uda134x;
struct uda134x_platform_data *pd = codec->card->dev->platform_data;
const struct snd_soc_dapm_widget *widgets;
unsigned num_widgets;
int ret;
printk(KERN_INFO "UDA134X SoC Audio Codec\n");
if (!pd) {
printk(KERN_ERR "UDA134X SoC codec: "
"missing L3 bitbang function\n");
return -ENODEV;
}
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1341:
case UDA134X_UDA1344:
case UDA134X_UDA1345:
break;
default:
printk(KERN_ERR "UDA134X SoC codec: "
"unsupported model %d\n",
pd->model);
return -EINVAL;
}
uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL);
if (uda134x == NULL)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, uda134x);
codec->control_data = pd;
if (pd->power)
pd->power(1);
uda134x_reset(codec);
if (pd->is_powered_on_standby)
uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
else
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
if (pd->model == UDA134X_UDA1341) {
widgets = uda1341_dapm_widgets;
num_widgets = ARRAY_SIZE(uda1341_dapm_widgets);
} else {
widgets = uda1340_dapm_widgets;
num_widgets = ARRAY_SIZE(uda1340_dapm_widgets);
}
ret = snd_soc_dapm_new_controls(&codec->dapm, widgets, num_widgets);
if (ret) {
printk(KERN_ERR "%s failed to register dapm controls: %d",
__func__, ret);
kfree(uda134x);
return ret;
}
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1344:
ret = snd_soc_add_codec_controls(codec, uda1340_snd_controls,
ARRAY_SIZE(uda1340_snd_controls));
break;
case UDA134X_UDA1341:
ret = snd_soc_add_codec_controls(codec, uda1341_snd_controls,
ARRAY_SIZE(uda1341_snd_controls));
break;
case UDA134X_UDA1345:
ret = snd_soc_add_codec_controls(codec, uda1345_snd_controls,
ARRAY_SIZE(uda1345_snd_controls));
break;
default:
printk(KERN_ERR "%s unknown codec type: %d",
__func__, pd->model);
kfree(uda134x);
return -EINVAL;
}
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register controls\n");
kfree(uda134x);
return ret;
}
return 0;
}
static int uda134x_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
struct uda134x_priv *uda134x;
void *codec_setup_data = socdev->codec_data;
int ret = -ENOMEM;
struct uda134x_platform_data *pd;
printk(KERN_INFO "UDA134X SoC Audio Codec\n");
if (!codec_setup_data) {
printk(KERN_ERR "UDA134X SoC codec: "
"missing L3 bitbang function\n");
return -ENODEV;
}
pd = codec_setup_data;
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1341:
case UDA134X_UDA1344:
case UDA134X_UDA1345:
break;
default:
printk(KERN_ERR "UDA134X SoC codec: "
"unsupported model %d\n",
pd->model);
return -EINVAL;
}
socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (socdev->card->codec == NULL)
return ret;
codec = socdev->card->codec;
uda134x = kzalloc(sizeof(struct uda134x_priv), GFP_KERNEL);
if (uda134x == NULL)
goto priv_err;
snd_soc_codec_set_drvdata(codec, uda134x);
codec->reg_cache = kmemdup(uda134x_reg, sizeof(uda134x_reg),
GFP_KERNEL);
if (codec->reg_cache == NULL)
goto reg_err;
mutex_init(&codec->mutex);
codec->reg_cache_size = sizeof(uda134x_reg);
codec->reg_cache_step = 1;
codec->name = "UDA134X";
codec->owner = THIS_MODULE;
codec->dai = &uda134x_dai;
codec->num_dai = 1;
codec->read = uda134x_read_reg_cache;
codec->write = uda134x_write;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
codec->control_data = codec_setup_data;
if (pd->power)
pd->power(1);
uda134x_reset(codec);
if (pd->is_powered_on_standby) {
codec->set_bias_level = NULL;
uda134x_set_bias_level(codec, SND_SOC_BIAS_ON);
} else {
codec->set_bias_level = uda134x_set_bias_level;
uda134x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
}
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register pcms\n");
goto pcm_err;
}
switch (pd->model) {
case UDA134X_UDA1340:
case UDA134X_UDA1344:
ret = snd_soc_add_controls(codec, uda1340_snd_controls,
ARRAY_SIZE(uda1340_snd_controls));
break;
case UDA134X_UDA1341:
ret = snd_soc_add_controls(codec, uda1341_snd_controls,
ARRAY_SIZE(uda1341_snd_controls));
break;
case UDA134X_UDA1345:
ret = snd_soc_add_controls(codec, uda1345_snd_controls,
ARRAY_SIZE(uda1345_snd_controls));
break;
default:
printk(KERN_ERR "%s unknown codec type: %d",
__func__, pd->model);
return -EINVAL;
}
if (ret < 0) {
printk(KERN_ERR "UDA134X: failed to register controls\n");
goto pcm_err;
}
return 0;
pcm_err:
kfree(codec->reg_cache);
reg_err:
kfree(snd_soc_codec_get_drvdata(codec));
priv_err:
kfree(codec);
return ret;
}
