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path: root/sound/soc/codecs/wm8400.c
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Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c181
1 files changed, 49 insertions, 132 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 8f294066b0ed..850299786e02 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -65,7 +65,7 @@ static struct regulator_bulk_data power[] = {
/* codec private data */
struct wm8400_priv {
- struct snd_soc_codec codec;
+ struct snd_soc_codec *codec;
struct wm8400 *wm8400;
u16 fake_register;
unsigned int sysclk;
@@ -1163,8 +1163,7 @@ static int wm8400_hw_params(struct snd_pcm_substream *substream,
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;
u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
audio1 &= ~WM8400_AIF_WL_MASK;
@@ -1332,10 +1331,9 @@ static struct snd_soc_dai_ops wm8400_dai_ops = {
* 1. ADC/DAC on Primary Interface
* 2. ADC on Primary Interface/DAC on secondary
*/
-struct snd_soc_dai wm8400_dai = {
+static struct snd_soc_dai_driver wm8400_dai = {
/* ADC/DAC on primary */
- .name = "WM8400 ADC/DAC Primary",
- .id = 1,
+ .name = "wm8400-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
@@ -1352,147 +1350,53 @@ struct snd_soc_dai wm8400_dai = {
},
.ops = &wm8400_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8400_dai);
-static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8400_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8400_resume(struct platform_device *pdev)
+static int wm8400_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
-static struct snd_soc_codec *wm8400_codec;
-
-static int wm8400_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret;
-
- if (!wm8400_codec) {
- dev_err(&pdev->dev, "wm8400 not yet discovered\n");
- return -ENODEV;
- }
- codec = wm8400_codec;
-
- socdev->card->codec = codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to create pcms\n");
- goto pcm_err;
- }
-
- wm8400_add_controls(codec);
- wm8400_add_widgets(codec);
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int wm8400_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_wm8400 = {
- .probe = wm8400_probe,
- .remove = wm8400_remove,
- .suspend = wm8400_suspend,
- .resume = wm8400_resume,
-};
-
static void wm8400_probe_deferred(struct work_struct *work)
{
struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
work);
- struct snd_soc_codec *codec = &priv->codec;
- int ret;
+ struct snd_soc_codec *codec = priv->codec;
/* charge output caps */
wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- /* We're done, tell the subsystem. */
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(priv->wm8400->dev,
- "Failed to register codec: %d\n", ret);
- goto err;
- }
-
- ret = snd_soc_register_dai(&wm8400_dai);
- if (ret != 0) {
- dev_err(priv->wm8400->dev,
- "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
-
- return;
-
-err_codec:
- snd_soc_unregister_codec(codec);
-err:
- wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
}
-static int wm8400_codec_probe(struct platform_device *dev)
+static int wm8400_codec_probe(struct snd_soc_codec *codec)
{
+ struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
struct wm8400_priv *priv;
int ret;
u16 reg;
- struct snd_soc_codec *codec;
priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
- codec = &priv->codec;
snd_soc_codec_set_drvdata(codec, priv);
- codec->control_data = dev_get_drvdata(&dev->dev);
- priv->wm8400 = dev_get_drvdata(&dev->dev);
+ codec->control_data = priv->wm8400 = wm8400;
+ priv->codec = codec;
- ret = regulator_bulk_get(priv->wm8400->dev,
+ ret = regulator_bulk_get(wm8400->dev,
ARRAY_SIZE(power), &power[0]);
if (ret != 0) {
- dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
+ dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
goto err;
}
- codec->dev = &dev->dev;
- wm8400_dai.dev = &dev->dev;
-
- codec->name = "WM8400";
- codec->owner = THIS_MODULE;
- codec->read = wm8400_read;
- codec->write = wm8400_write;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8400_set_bias_level;
- codec->dai = &wm8400_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8400_REGISTER_COUNT;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
INIT_WORK(&priv->work, wm8400_probe_deferred);
wm8400_codec_reset(codec);
@@ -1511,65 +1415,78 @@ static int wm8400_codec_probe(struct platform_device *dev)
wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
- wm8400_codec = codec;
-
if (!schedule_work(&priv->work)) {
ret = -EINVAL;
goto err_regulator;
}
-
+ wm8400_add_controls(codec);
+ wm8400_add_widgets(codec);
return 0;
err_regulator:
- wm8400_codec = NULL;
regulator_bulk_free(ARRAY_SIZE(power), power);
err:
kfree(priv);
return ret;
}
-static int __exit wm8400_codec_remove(struct platform_device *dev)
+static int wm8400_codec_remove(struct snd_soc_codec *codec)
{
- struct wm8400_priv *priv = snd_soc_codec_get_drvdata(wm8400_codec);
+ struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec);
u16 reg;
- snd_soc_unregister_dai(&wm8400_dai);
- snd_soc_unregister_codec(wm8400_codec);
-
- reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
- wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
+ reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
+ wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
reg & (~WM8400_CODEC_ENA));
regulator_bulk_free(ARRAY_SIZE(power), power);
kfree(priv);
- wm8400_codec = NULL;
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
+ .probe = wm8400_codec_probe,
+ .remove = wm8400_codec_remove,
+ .suspend = wm8400_suspend,
+ .resume = wm8400_resume,
+ .read = wm8400_read,
+ .write = wm8400_write,
+ .set_bias_level = wm8400_set_bias_level,
+};
+
+static int __devinit wm8400_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
+ &wm8400_dai, 1);
+}
+static int __devexit wm8400_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver wm8400_codec_driver = {
.driver = {
- .name = "wm8400-codec",
- .owner = THIS_MODULE,
- },
- .probe = wm8400_codec_probe,
- .remove = __exit_p(wm8400_codec_remove),
+ .name = "wm8400-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8400_probe,
+ .remove = __devexit_p(wm8400_remove),
};
-static int __init wm8400_codec_init(void)
+static __init int wm8400_init(void)
{
return platform_driver_register(&wm8400_codec_driver);
}
-module_init(wm8400_codec_init);
+module_init(wm8400_init);
-static void __exit wm8400_codec_exit(void)
+static __exit void wm8400_exit(void)
{
platform_driver_unregister(&wm8400_codec_driver);
}
-module_exit(wm8400_codec_exit);
-
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
+module_exit(wm8400_exit);
MODULE_DESCRIPTION("ASoC WM8400 driver");
MODULE_AUTHOR("Mark Brown");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 19:30:08 +0000