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Diffstat (limited to 'sound/soc/codecs/wm9705.c')
-rw-r--r--sound/soc/codecs/wm9705.c116
1 files changed, 50 insertions, 66 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c
index 8793341849d1..a144acda751c 100644
--- a/sound/soc/codecs/wm9705.c
+++ b/sound/soc/codecs/wm9705.c
@@ -248,8 +248,7 @@ static int ac97_prepare(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime = substream->runtime;
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;
int reg;
u16 vra;
@@ -273,9 +272,9 @@ static struct snd_soc_dai_ops wm9705_dai_ops = {
.prepare = ac97_prepare,
};
-struct snd_soc_dai wm9705_dai[] = {
+static struct snd_soc_dai_driver wm9705_dai[] = {
{
- .name = "AC97 HiFi",
+ .name = "wm9705-hifi",
.ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
@@ -294,7 +293,7 @@ struct snd_soc_dai wm9705_dai[] = {
.ops = &wm9705_dai_ops,
},
{
- .name = "AC97 Aux",
+ .name = "wm9705-aux",
.playback = {
.stream_name = "Aux Playback",
.channels_min = 1,
@@ -304,7 +303,6 @@ struct snd_soc_dai wm9705_dai[] = {
},
}
};
-EXPORT_SYMBOL_GPL(wm9705_dai);
static int wm9705_reset(struct snd_soc_codec *codec)
{
@@ -318,20 +316,15 @@ static int wm9705_reset(struct snd_soc_codec *codec)
}
#ifdef CONFIG_PM
-static int wm9705_soc_suspend(struct platform_device *pdev, pm_message_t msg)
+static int wm9705_soc_suspend(struct snd_soc_codec *codec, pm_message_t msg)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
soc_ac97_ops.write(codec->ac97, AC97_POWERDOWN, 0xffff);
return 0;
}
-static int wm9705_soc_resume(struct platform_device *pdev)
+static int wm9705_soc_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
int i, ret;
u16 *cache = codec->reg_cache;
@@ -352,49 +345,18 @@ static int wm9705_soc_resume(struct platform_device *pdev)
#define wm9705_soc_resume NULL
#endif
-static int wm9705_soc_probe(struct platform_device *pdev)
+static int wm9705_soc_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
int ret = 0;
printk(KERN_INFO "WM9705 SoC Audio Codec\n");
- socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec),
- GFP_KERNEL);
- if (socdev->card->codec == NULL)
- return -ENOMEM;
- codec = socdev->card->codec;
- mutex_init(&codec->mutex);
-
- codec->reg_cache = kmemdup(wm9705_reg, sizeof(wm9705_reg), GFP_KERNEL);
- if (codec->reg_cache == NULL) {
- ret = -ENOMEM;
- goto cache_err;
- }
- codec->reg_cache_size = sizeof(wm9705_reg);
- codec->reg_cache_step = 2;
-
- codec->name = "WM9705";
- codec->owner = THIS_MODULE;
- codec->dai = wm9705_dai;
- codec->num_dai = ARRAY_SIZE(wm9705_dai);
- codec->write = ac97_write;
- codec->read = ac97_read;
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "wm9705: failed to register AC97 codec\n");
- goto codec_err;
+ return ret;
}
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0)
- goto pcm_err;
-
ret = wm9705_reset(codec);
if (ret)
goto reset_err;
@@ -406,40 +368,62 @@ static int wm9705_soc_probe(struct platform_device *pdev)
return 0;
reset_err:
- snd_soc_free_pcms(socdev);
-pcm_err:
snd_soc_free_ac97_codec(codec);
-codec_err:
- kfree(codec->reg_cache);
-cache_err:
- kfree(socdev->card->codec);
- socdev->card->codec = NULL;
return ret;
}
-static int wm9705_soc_remove(struct platform_device *pdev)
+static int wm9705_soc_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec == NULL)
- return 0;
-
- snd_soc_dapm_free(socdev);
- snd_soc_free_pcms(socdev);
snd_soc_free_ac97_codec(codec);
- kfree(codec->reg_cache);
- kfree(codec);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_wm9705 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
.probe = wm9705_soc_probe,
.remove = wm9705_soc_remove,
.suspend = wm9705_soc_suspend,
.resume = wm9705_soc_resume,
+ .read = ac97_read,
+ .write = ac97_write,
+ .reg_cache_size = ARRAY_SIZE(wm9705_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_step = 2,
+ .reg_cache_default = wm9705_reg,
+};
+
+static __devinit int wm9705_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
+}
+
+static int __devexit wm9705_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver wm9705_codec_driver = {
+ .driver = {
+ .name = "wm9705-codec",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = wm9705_probe,
+ .remove = __devexit_p(wm9705_remove),
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm9705);
+
+static int __init wm9705_init(void)
+{
+ return platform_driver_register(&wm9705_codec_driver);
+}
+module_init(wm9705_init);
+
+static void __exit wm9705_exit(void)
+{
+ platform_driver_unregister(&wm9705_codec_driver);
+}
+module_exit(wm9705_exit);
MODULE_DESCRIPTION("ASoC WM9705 driver");
MODULE_AUTHOR("Ian Molton");