static int aic32x4_probe(struct snd_soc_codec *codec)
{
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
u32 tmp_reg;
snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (aic32x4->rstn_gpio >= 0) {
ndelay(10);
gpio_set_value(aic32x4->rstn_gpio, 1);
}
snd_soc_write(codec, AIC32X4_RESET, 0x01);
/* Power platform configuration */
if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN |
AIC32X4_MICBIAS_2075V);
}
if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) {
snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
}
tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
AIC32X4_LDOCTLEN : 0;
snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg);
tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE);
if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) {
tmp_reg |= AIC32X4_LDOIN_18_36;
}
if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) {
tmp_reg |= AIC32X4_LDOIN2HP;
}
snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg);
/* Mic PGA routing */
if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
snd_soc_write(codec, AIC32X4_LMICPGANIN, AIC32X4_LMICPGANIN_IN2R_10K);
else
snd_soc_write(codec, AIC32X4_LMICPGANIN, AIC32X4_LMICPGANIN_CM1L_10K);
if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
snd_soc_write(codec, AIC32X4_RMICPGANIN, AIC32X4_RMICPGANIN_IN1L_10K);
else
snd_soc_write(codec, AIC32X4_RMICPGANIN, AIC32X4_RMICPGANIN_CM1R_10K);
aic32x4_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/*
* Workaround: for an unknown reason, the ADC needs to be powered up
* and down for the first capture to work properly. It seems related to
* a HW BUG or some kind of behavior not documented in the datasheet.
*/
tmp_reg = snd_soc_read(codec, AIC32X4_ADCSETUP);
snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg |
AIC32X4_LADC_EN | AIC32X4_RADC_EN);
snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg);
return 0;
}
static int aic32x4_probe(struct snd_soc_codec *codec)
{
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
u32 tmp_reg;
if (aic32x4->control_type == SND_SOC_SPI)
codec->hw_write = (hw_write_t) spi_write;
else
codec->hw_write = (hw_write_t) i2c_master_send;
codec->control_data = aic32x4->control_data;
snd_soc_write(codec, AIC32X4_RESET, 0x01);
/* Power platform configuration */
if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN |
AIC32X4_MICBIAS_2075V);
}
if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) {
snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
}
tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
AIC32X4_LDOCTLEN : 0;
snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg);
tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE);
if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) {
tmp_reg |= AIC32X4_LDOIN_18_36;
}
if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) {
tmp_reg |= AIC32X4_LDOIN2HP;
}
snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg);
/* Do DACs need to be swapped? */
if (aic32x4->swapdacs) {
snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2RCHN | AIC32X4_RDAC2LCHN);
} else {
snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN);
}
/* Mic PGA routing */
if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) {
snd_soc_write(codec, AIC32X4_LMICPGANIN, AIC32X4_LMICPGANIN_IN2R_10K);
}
if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K) {
snd_soc_write(codec, AIC32X4_RMICPGANIN, AIC32X4_RMICPGANIN_IN1L_10K);
}
aic32x4_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_codec_controls(codec, aic32x4_snd_controls,
ARRAY_SIZE(aic32x4_snd_controls));
aic32x4_add_widgets(codec);
return 0;
}
static int aic32x4_remove(struct snd_soc_codec *codec)
{
aic32x4_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int aic32x4_resume(struct snd_soc_codec *codec)
{
aic32x4_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int aic32x4_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
aic32x4_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
