#include "wm9090.h"
-static struct snd_soc_codec *wm9090_codec;
-
static const u16 wm9090_reg_defaults[] = {
0x9093, /* R0 - Software Reset */
0x0006, /* R1 - Power Management (1) */
/* This struct is used to save the context */
struct wm9090_priv {
- /* We're not really registering as a CODEC since ASoC core
- * does not yet support multiple CODECs but having the CODEC
- * structure means we can reuse some of the ASoC core
- * features.
- */
- struct snd_soc_codec codec;
struct mutex mutex;
u16 reg_cache[WM9090_MAX_REGISTER + 1];
struct wm9090_platform_data pdata;
+ void *control_data;
};
static int wm9090_volatile(unsigned int reg)
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF) {
/* Restore the register cache */
- for (i = 1; i < codec->reg_cache_size; i++) {
+ for (i = 1; i < codec->driver->reg_cache_size; i++) {
if (reg_cache[i] == wm9090_reg_defaults[i])
continue;
if (wm9090_volatile(i))
return 0;
}
-static int wm9090_probe(struct platform_device *pdev)
+static int wm9090_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
+ struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- if (wm9090_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
+ codec->control_data = wm9090->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
- socdev->card->codec = wm9090_codec;
- codec = wm9090_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;
+ ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET);
+ if (ret < 0)
+ return ret;
+ if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) {
+ dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret);
+ return -EINVAL;
}
+ ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0);
+ if (ret < 0)
+ return ret;
+
+ /* Configure some defaults; they will be written out when we
+ * bring the bias up.
+ */
+ wm9090->reg_cache[WM9090_IN1_LINE_INPUT_A_VOLUME] |= WM9090_IN1_VU
+ | WM9090_IN1A_ZC;
+ wm9090->reg_cache[WM9090_IN1_LINE_INPUT_B_VOLUME] |= WM9090_IN1_VU
+ | WM9090_IN1B_ZC;
+ wm9090->reg_cache[WM9090_IN2_LINE_INPUT_A_VOLUME] |= WM9090_IN2_VU
+ | WM9090_IN2A_ZC;
+ wm9090->reg_cache[WM9090_IN2_LINE_INPUT_B_VOLUME] |= WM9090_IN2_VU
+ | WM9090_IN2B_ZC;
+ wm9090->reg_cache[WM9090_SPEAKER_VOLUME_LEFT] |=
+ WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC;
+ wm9090->reg_cache[WM9090_LEFT_OUTPUT_VOLUME] |=
+ WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC;
+ wm9090->reg_cache[WM9090_RIGHT_OUTPUT_VOLUME] |=
+ WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC;
+
+ wm9090->reg_cache[WM9090_CLOCKING_1] |= WM9090_TOCLK_ENA;
+
+ wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
wm9090_add_controls(codec);
return 0;
-
-pcm_err:
- return ret;
}
#ifdef CONFIG_PM
-static int wm9090_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm9090_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;
-
wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm9090_resume(struct platform_device *pdev)
+static int wm9090_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
#define wm9090_resume NULL
#endif
-static int wm9090_remove(struct platform_device *pdev)
+static int wm9090_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
+ wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_wm9090 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm9090 = {
.probe = wm9090_probe,
.remove = wm9090_remove,
.suspend = wm9090_suspend,
.resume = wm9090_resume,
+ .set_bias_level = wm9090_set_bias_level,
+ .reg_cache_size = (WM9090_MAX_REGISTER + 1),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm9090_reg_defaults,
+ .volatile_register = wm9090_volatile,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm9090);
static int wm9090_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm9090_priv *wm9090;
- struct snd_soc_codec *codec;
int ret;
wm9090 = kzalloc(sizeof(*wm9090), GFP_KERNEL);
dev_err(&i2c->dev, "Can not allocate memory\n");
return -ENOMEM;
}
- codec = &wm9090->codec;
if (i2c->dev.platform_data)
memcpy(&wm9090->pdata, i2c->dev.platform_data,
sizeof(wm9090->pdata));
- wm9090_codec = codec;
-
i2c_set_clientdata(i2c, wm9090);
+ wm9090->control_data = i2c;
+ mutex_init(&wm9090->mutex);
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->control_data = i2c;
- snd_soc_codec_set_drvdata(codec, wm9090);
- codec->dev = &i2c->dev;
- codec->name = "WM9090";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm9090_set_bias_level,
- codec->reg_cache_size = WM9090_MAX_REGISTER + 1;
- codec->reg_cache = &wm9090->reg_cache;
- codec->volatile_register = wm9090_volatile;
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
- memcpy(&wm9090->reg_cache, wm9090_reg_defaults,
- sizeof(wm9090->reg_cache));
-
- ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET);
- if (ret < 0)
- goto err;
- if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) {
- dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret);
- ret = -EINVAL;
- goto err;
- }
-
- ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm9090, NULL, 0);
if (ret < 0)
- goto err;
-
- /* Configure some defaults; they will be written out when we
- * bring the bias up.
- */
- wm9090->reg_cache[WM9090_IN1_LINE_INPUT_A_VOLUME] |= WM9090_IN1_VU
- | WM9090_IN1A_ZC;
- wm9090->reg_cache[WM9090_IN1_LINE_INPUT_B_VOLUME] |= WM9090_IN1_VU
- | WM9090_IN1B_ZC;
- wm9090->reg_cache[WM9090_IN2_LINE_INPUT_A_VOLUME] |= WM9090_IN2_VU
- | WM9090_IN2A_ZC;
- wm9090->reg_cache[WM9090_IN2_LINE_INPUT_B_VOLUME] |= WM9090_IN2_VU
- | WM9090_IN2B_ZC;
- wm9090->reg_cache[WM9090_SPEAKER_VOLUME_LEFT] |=
- WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC;
- wm9090->reg_cache[WM9090_LEFT_OUTPUT_VOLUME] |=
- WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC;
- wm9090->reg_cache[WM9090_RIGHT_OUTPUT_VOLUME] |=
- WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC;
-
- wm9090->reg_cache[WM9090_CLOCKING_1] |= WM9090_TOCLK_ENA;
-
- wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
- goto err_bias;
- }
-
- return 0;
-
-err_bias:
- wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
-err:
- kfree(wm9090);
- i2c_set_clientdata(i2c, NULL);
- wm9090_codec = NULL;
-
+ kfree(wm9090);
return ret;
}
static int wm9090_i2c_remove(struct i2c_client *i2c)
{
struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c);
- struct snd_soc_codec *codec = &wm9090->codec;
- snd_soc_unregister_codec(codec);
- wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ snd_soc_unregister_codec(&i2c->dev);
kfree(wm9090);
- wm9090_codec = NULL;
return 0;
}
static struct i2c_driver wm9090_i2c_driver = {
.driver = {
- .name = "wm9090",
+ .name = "wm9090-codec",
.owner = THIS_MODULE,
},
.probe = wm9090_i2c_probe,
projects / mv-sheeva.git / blobdiff