#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
+#include <sound/tlv.h>
#include "wm8731.h"
static struct snd_soc_codec *wm8731_codec;
struct snd_soc_codec_device soc_codec_dev_wm8731;
+#define WM8731_NUM_SUPPLIES 4
+static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
+ "AVDD",
+ "HPVDD",
+ "DCVDD",
+ "DBVDD",
+};
+
/* codec private data */
struct wm8731_priv {
struct snd_soc_codec codec;
+ struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
u16 reg_cache[WM8731_CACHEREGNUM];
unsigned int sysclk;
};
-#ifdef CONFIG_SPI_MASTER
-static int wm8731_spi_write(struct spi_device *spi, const char *data, int len);
-#endif
/*
* wm8731 register cache
SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph),
};
+static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
+static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
+
static const struct snd_kcontrol_new wm8731_snd_controls[] = {
-SOC_DOUBLE_R("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V,
- 0, 127, 0),
+SOC_DOUBLE_R_TLV("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V,
+ 0, 127, 0, out_tlv),
SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V,
7, 1, 0),
-SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0),
+SOC_DOUBLE_R_TLV("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0,
+ in_tlv),
SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1),
SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0),
-SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1),
+SOC_SINGLE("Mic Capture Switch", WM8731_APANA, 1, 1, 1),
-SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1),
+SOC_SINGLE_TLV("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1,
+ sidetone_tlv),
SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1),
SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0),
snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
- snd_soc_dapm_new_widgets(codec);
return 0;
}
return 0;
}
-#define WM8731_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
- SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
- SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
- SNDRV_PCM_RATE_96000)
+#define WM8731_RATES SNDRV_PCM_RATE_8000_96000
#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
.rates = WM8731_RATES,
.formats = WM8731_FORMATS,},
.ops = &wm8731_dai_ops,
+ .symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(wm8731_dai);
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8731_priv *wm8731 = codec->private_data;
snd_soc_write(codec, WM8731_ACTIVE, 0x0);
wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
return 0;
}
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
- int i;
+ struct wm8731_priv *wm8731 = codec->private_data;
+ int i, ret;
u8 data[2];
u16 *cache = codec->reg_cache;
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0)
+ return ret;
+
/* Sync reg_cache with the hardware */
for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
+ if (cache[i] == wm8731_reg[i])
+ continue;
+
data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
data[1] = cache[i] & 0x00ff;
codec->hw_write(codec->control_data, data, 2);
}
wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
wm8731_set_bias_level(codec, codec->suspend_bias_level);
+
return 0;
}
#else
snd_soc_add_controls(codec, wm8731_snd_controls,
ARRAY_SIZE(wm8731_snd_controls));
wm8731_add_widgets(codec);
- ret = snd_soc_init_card(socdev);
- if (ret < 0) {
- dev_err(codec->dev, "failed to register card: %d\n", ret);
- goto card_err;
- }
return ret;
-card_err:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
pcm_err:
return ret;
}
static int wm8731_register(struct wm8731_priv *wm8731,
enum snd_soc_control_type control)
{
- int ret;
+ int ret, i;
struct snd_soc_codec *codec = &wm8731->codec;
if (wm8731_codec) {
goto err;
}
+ for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)
+ wm8731->supplies[i].supply = wm8731_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ goto err;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
+ wm8731->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_regulator_get;
+ }
+
ret = wm8731_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
- goto err;
+ goto err_regulator_enable;
}
wm8731_dai.dev = codec->dev;
ret = snd_soc_register_codec(codec);
if (ret != 0) {
dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err;
+ goto err_regulator_enable;
}
ret = snd_soc_register_dai(&wm8731_dai);
err_codec:
snd_soc_unregister_codec(codec);
+err_regulator_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+err_regulator_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
err:
kfree(wm8731);
return ret;
wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF);
snd_soc_unregister_dai(&wm8731_dai);
snd_soc_unregister_codec(&wm8731->codec);
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
+ regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
kfree(wm8731);
wm8731_codec = NULL;
}
return 0;
}
-#ifdef CONFIG_PM
-static int wm8731_spi_suspend(struct spi_device *spi, pm_message_t msg)
-{
- return snd_soc_suspend_device(&spi->dev);
-}
-
-static int wm8731_spi_resume(struct spi_device *spi)
-{
- return snd_soc_resume_device(&spi->dev);
-}
-#else
-#define wm8731_spi_suspend NULL
-#define wm8731_spi_resume NULL
-#endif
-
static struct spi_driver wm8731_spi_driver = {
.driver = {
.name = "wm8731",
.owner = THIS_MODULE,
},
.probe = wm8731_spi_probe,
- .suspend = wm8731_spi_suspend,
- .resume = wm8731_spi_resume,
.remove = __devexit_p(wm8731_spi_remove),
};
#endif /* CONFIG_SPI_MASTER */
return 0;
}
-#ifdef CONFIG_PM
-static int wm8731_i2c_suspend(struct i2c_client *i2c, pm_message_t msg)
-{
- return snd_soc_suspend_device(&i2c->dev);
-}
-
-static int wm8731_i2c_resume(struct i2c_client *i2c)
-{
- return snd_soc_resume_device(&i2c->dev);
-}
-#else
-#define wm8731_i2c_suspend NULL
-#define wm8731_i2c_resume NULL
-#endif
-
static const struct i2c_device_id wm8731_i2c_id[] = {
{ "wm8731", 0 },
{ }
},
.probe = wm8731_i2c_probe,
.remove = __devexit_p(wm8731_i2c_remove),
- .suspend = wm8731_i2c_suspend,
- .resume = wm8731_i2c_resume,
.id_table = wm8731_i2c_id,
};
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff