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Diffstat (limited to 'sound/soc/codecs/wm8955.c')
-rw-r--r--sound/soc/codecs/wm8955.c181
1 files changed, 44 insertions, 137 deletions
diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c
index 5f025593d84..f89ad6c9a80 100644
--- a/sound/soc/codecs/wm8955.c
+++ b/sound/soc/codecs/wm8955.c
@@ -30,9 +30,6 @@
#include "wm8955.h"
-static struct snd_soc_codec *wm8955_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8955;
-
#define WM8955_NUM_SUPPLIES 4
static const char *wm8955_supply_names[WM8955_NUM_SUPPLIES] = {
"DCVDD",
@@ -43,7 +40,8 @@ static const char *wm8955_supply_names[WM8955_NUM_SUPPLIES] = {
/* codec private data */
struct wm8955_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+
u16 reg_cache[WM8955_MAX_REGISTER + 1];
unsigned int mclk_rate;
@@ -52,8 +50,6 @@ struct wm8955_priv {
int fs;
struct regulator_bulk_data supplies[WM8955_NUM_SUPPLIES];
-
- struct wm8955_pdata *pdata;
};
static const u16 wm8955_reg[WM8955_MAX_REGISTER + 1] = {
@@ -870,8 +866,8 @@ static struct snd_soc_dai_ops wm8955_dai_ops = {
.digital_mute = wm8955_digital_mute,
};
-struct snd_soc_dai wm8955_dai = {
- .name = "WM8955",
+static struct snd_soc_dai_driver wm8955_dai = {
+ .name = "wm8955-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
@@ -881,24 +877,17 @@ struct snd_soc_dai wm8955_dai = {
},
.ops = &wm8955_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8955_dai);
#ifdef CONFIG_PM
-static int wm8955_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8955_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;
-
wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8955_resume(struct platform_device *pdev)
+static int wm8955_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8955_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
@@ -908,86 +897,16 @@ static int wm8955_resume(struct platform_device *pdev)
#define wm8955_resume NULL
#endif
-static int wm8955_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (wm8955_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8955_codec;
- codec = wm8955_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
- }
-
- wm8955_add_widgets(codec);
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-static int wm8955_remove(struct platform_device *pdev)
+static int wm8955_probe(struct snd_soc_codec *codec)
{
- 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_wm8955 = {
- .probe = wm8955_probe,
- .remove = wm8955_remove,
- .suspend = wm8955_suspend,
- .resume = wm8955_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8955);
-
-static int wm8955_register(struct wm8955_priv *wm8955,
- enum snd_soc_control_type control)
-{
- int ret;
- struct snd_soc_codec *codec = &wm8955->codec;
- int i;
-
- if (wm8955_codec) {
- dev_err(codec->dev, "Another WM8955 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, wm8955);
- codec->name = "WM8955";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8955_set_bias_level;
- codec->dai = &wm8955_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8955_MAX_REGISTER;
- codec->reg_cache = &wm8955->reg_cache;
-
- memcpy(codec->reg_cache, wm8955_reg, sizeof(wm8955_reg));
+ struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
+ struct wm8955_pdata *pdata = dev_get_platdata(codec->dev);
+ int ret, i;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8955->control_type);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8955->supplies); i++)
@@ -997,7 +916,7 @@ static int wm8955_register(struct wm8955_priv *wm8955,
wm8955->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
+ return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8955->supplies),
@@ -1013,8 +932,6 @@ static int wm8955_register(struct wm8955_priv *wm8955,
goto err_enable;
}
- wm8955_dai.dev = codec->dev;
-
/* Change some default settings - latch VU and enable ZC */
wm8955->reg_cache[WM8955_LEFT_DAC_VOLUME] |= WM8955_LDVU;
wm8955->reg_cache[WM8955_RIGHT_DAC_VOLUME] |= WM8955_RDVU;
@@ -1028,12 +945,12 @@ static int wm8955_register(struct wm8955_priv *wm8955,
wm8955->reg_cache[WM8955_BASS_CONTROL] |= WM8955_BB;
/* Set platform data values */
- if (wm8955->pdata) {
- if (wm8955->pdata->out2_speaker)
+ if (pdata) {
+ if (pdata->out2_speaker)
wm8955->reg_cache[WM8955_ADDITIONAL_CONTROL_2]
|= WM8955_ROUT2INV;
- if (wm8955->pdata->monoin_diff)
+ if (pdata->monoin_diff)
wm8955->reg_cache[WM8955_MONO_OUT_MIX_1]
|= WM8955_DMEN;
}
@@ -1043,70 +960,60 @@ static int wm8955_register(struct wm8955_priv *wm8955,
/* Bias level configuration will have done an extra enable */
regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
- wm8955_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err_enable;
- }
-
- ret = snd_soc_register_dai(&wm8955_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
-
+ wm8955_add_widgets(codec);
return 0;
-err_codec:
- snd_soc_unregister_codec(codec);
err_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
err_get:
regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
-err:
- kfree(wm8955);
return ret;
}
-static void wm8955_unregister(struct wm8955_priv *wm8955)
+static int wm8955_remove(struct snd_soc_codec *codec)
{
- wm8955_set_bias_level(&wm8955->codec, SND_SOC_BIAS_OFF);
+ struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
+
+ wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
regulator_bulk_free(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
- snd_soc_unregister_dai(&wm8955_dai);
- snd_soc_unregister_codec(&wm8955->codec);
- kfree(wm8955);
- wm8955_codec = NULL;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_wm8955 = {
+ .probe = wm8955_probe,
+ .remove = wm8955_remove,
+ .suspend = wm8955_suspend,
+ .resume = wm8955_resume,
+ .set_bias_level = wm8955_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8955_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8955_reg,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm8955_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8955_priv *wm8955;
- struct snd_soc_codec *codec;
+ int ret;
wm8955 = kzalloc(sizeof(struct wm8955_priv), GFP_KERNEL);
if (wm8955 == NULL)
return -ENOMEM;
- codec = &wm8955->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(i2c, wm8955);
- codec->control_data = i2c;
- wm8955->pdata = i2c->dev.platform_data;
-
- codec->dev = &i2c->dev;
- return wm8955_register(wm8955, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8955, &wm8955_dai, 1);
+ if (ret < 0)
+ kfree(wm8955);
+ return ret;
}
static __devexit int wm8955_i2c_remove(struct i2c_client *client)
{
- struct wm8955_priv *wm8955 = i2c_get_clientdata(client);
- wm8955_unregister(wm8955);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
@@ -1118,7 +1025,7 @@ MODULE_DEVICE_TABLE(i2c, wm8955_i2c_id);
static struct i2c_driver wm8955_i2c_driver = {
.driver = {
- .name = "wm8955",
+ .name = "wm8955-codec",
.owner = THIS_MODULE,
},
.probe = wm8955_i2c_probe,
@@ -1129,7 +1036,7 @@ static struct i2c_driver wm8955_i2c_driver = {
static int __init wm8955_modinit(void)
{
- int ret;
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8955_i2c_driver);
if (ret != 0) {
@@ -1137,7 +1044,7 @@ static int __init wm8955_modinit(void)
ret);
}
#endif
- return 0;
+ return ret;
}
module_init(wm8955_modinit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 06:40:04 +0000