diff options
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
| -rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 81 |
1 files changed, 39 insertions, 42 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 556123b..584bc1e 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -38,6 +38,7 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> +#include <linux/regulator/consumer.h> #include <linux/platform_device.h> #include <sound/core.h> #include <sound/pcm.h> @@ -49,11 +50,18 @@ #include "tlv320aic3x.h" -#define AIC3X_VERSION "0.2" +#define AIC3X_NUM_SUPPLIES 4 +static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = { + "IOVDD", /* I/O Voltage */ + "DVDD", /* Digital Core Voltage */ + "AVDD", /* Analog DAC Voltage */ + "DRVDD", /* ADC Analog and Output Driver Voltage */ +}; /* codec private data */ struct aic3x_priv { struct snd_soc_codec codec; + struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES]; unsigned int sysclk; int master; }; @@ -999,7 +1007,8 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: - /* all power is driven by DAPM system */ + break; + case SND_SOC_BIAS_PREPARE: if (aic3x->master) { /* enable pll */ reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); @@ -1007,48 +1016,9 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec, reg | PLL_ENABLE); } break; - case SND_SOC_BIAS_PREPARE: - break; case SND_SOC_BIAS_STANDBY: - /* - * all power is driven by DAPM system, - * so output power is safe if bypass was set - */ - if (aic3x->master) { - /* disable pll */ - reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); - aic3x_write(codec, AIC3X_PLL_PROGA_REG, - reg & ~PLL_ENABLE); - } - break; + /* fall through and disable pll */ case SND_SOC_BIAS_OFF: - /* force all power off */ - reg = aic3x_read_reg_cache(codec, LINE1L_2_LADC_CTRL); - aic3x_write(codec, LINE1L_2_LADC_CTRL, reg & ~LADC_PWR_ON); - reg = aic3x_read_reg_cache(codec, LINE1R_2_RADC_CTRL); - aic3x_write(codec, LINE1R_2_RADC_CTRL, reg & ~RADC_PWR_ON); - - reg = aic3x_read_reg_cache(codec, DAC_PWR); - aic3x_write(codec, DAC_PWR, reg & ~(LDAC_PWR_ON | RDAC_PWR_ON)); - - reg = aic3x_read_reg_cache(codec, HPLOUT_CTRL); - aic3x_write(codec, HPLOUT_CTRL, reg & ~HPLOUT_PWR_ON); - reg = aic3x_read_reg_cache(codec, HPROUT_CTRL); - aic3x_write(codec, HPROUT_CTRL, reg & ~HPROUT_PWR_ON); - - reg = aic3x_read_reg_cache(codec, HPLCOM_CTRL); - aic3x_write(codec, HPLCOM_CTRL, reg & ~HPLCOM_PWR_ON); - reg = aic3x_read_reg_cache(codec, HPRCOM_CTRL); - aic3x_write(codec, HPRCOM_CTRL, reg & ~HPRCOM_PWR_ON); - - reg = aic3x_read_reg_cache(codec, MONOLOPM_CTRL); - aic3x_write(codec, MONOLOPM_CTRL, reg & ~MONOLOPM_PWR_ON); - - reg = aic3x_read_reg_cache(codec, LLOPM_CTRL); - aic3x_write(codec, LLOPM_CTRL, reg & ~LLOPM_PWR_ON); - reg = aic3x_read_reg_cache(codec, RLOPM_CTRL); - aic3x_write(codec, RLOPM_CTRL, reg & ~RLOPM_PWR_ON); - if (aic3x->master) { /* disable pll */ reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); @@ -1308,6 +1278,9 @@ static int aic3x_unregister(struct aic3x_priv *aic3x) snd_soc_unregister_dai(&aic3x_dai); snd_soc_unregister_codec(&aic3x->codec); + regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + kfree(aic3x); aic3x_codec = NULL; @@ -1329,6 +1302,7 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, { struct snd_soc_codec *codec; struct aic3x_priv *aic3x; + int ret, i; aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); if (aic3x == NULL) { @@ -1344,7 +1318,30 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, aic3x); + for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) + aic3x->supplies[i].supply = aic3x_supply_names[i]; + + ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies), + aic3x->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + goto err_get; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies), + aic3x->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + goto err_enable; + } + return aic3x_register(codec); + +err_enable: + regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); +err_get: + kfree(aic3x); + return ret; } static int aic3x_i2c_remove(struct i2c_client *client) |