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ASoC: rt5677: Set the slow charge of the vref in the end of the power sequences

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Set the slow charge of the vref in the end of the power sequences

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
tirimbino
Oder Chiou 10 years ago committed by Mark Brown
parent 35d40d10e9
commit 683996cb22
2 changed files with 47 additions and 10 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 56
      sound/soc/codecs/rt5677.c
  2. 1
      sound/soc/codecs/rt5677.h

56
sound/soc/codecs/rt5677.c
Unescape View File

@ -2184,6 +2184,31 @@ static int rt5677_if2_adc_tdm_event(struct snd_soc_dapm_widget *w,
return 0;
}
static int rt5677_vref_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (codec->dapm.bias_level != SND_SOC_BIAS_ON &&
!rt5677->is_vref_slow) {
mdelay(20);
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG1,
RT5677_PWR_FV1 | RT5677_PWR_FV2,
RT5677_PWR_FV1 | RT5677_PWR_FV2);
rt5677->is_vref_slow = true;
}
break;
default:
return 0;
}
return 0;
}
static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("PLL1", RT5677_PWR_ANLG2, RT5677_PWR_PLL1_BIT,
0, rt5677_set_pll1_event, SND_SOC_DAPM_POST_PMU),
@ -2669,13 +2694,20 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
SND_SOC_DAPM_MUX("PDM2 R Mux", RT5677_PDM_OUT_CTRL, RT5677_M_PDM2_R_SFT,
1, &rt5677_pdm2_r_mux),
SND_SOC_DAPM_PGA_S("LOUT1 amp", 1, RT5677_PWR_ANLG1, RT5677_PWR_LO1_BIT,
SND_SOC_DAPM_PGA_S("LOUT1 amp", 0, RT5677_PWR_ANLG1, RT5677_PWR_LO1_BIT,
0, NULL, 0),
SND_SOC_DAPM_PGA_S("LOUT2 amp", 1, RT5677_PWR_ANLG1, RT5677_PWR_LO2_BIT,
SND_SOC_DAPM_PGA_S("LOUT2 amp", 0, RT5677_PWR_ANLG1, RT5677_PWR_LO2_BIT,
0, NULL, 0),
SND_SOC_DAPM_PGA_S("LOUT3 amp", 1, RT5677_PWR_ANLG1, RT5677_PWR_LO3_BIT,
SND_SOC_DAPM_PGA_S("LOUT3 amp", 0, RT5677_PWR_ANLG1, RT5677_PWR_LO3_BIT,
0, NULL, 0),
SND_SOC_DAPM_PGA_S("LOUT1 vref", 1, SND_SOC_NOPM, 0, 0,
rt5677_vref_event, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("LOUT2 vref", 1, SND_SOC_NOPM, 0, 0,
rt5677_vref_event, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("LOUT3 vref", 1, SND_SOC_NOPM, 0, 0,
rt5677_vref_event, SND_SOC_DAPM_POST_PMU),
/* Output Lines */
SND_SOC_DAPM_OUTPUT("LOUT1"),
SND_SOC_DAPM_OUTPUT("LOUT2"),
@ -2684,6 +2716,8 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("PDM1R"),
SND_SOC_DAPM_OUTPUT("PDM2L"),
SND_SOC_DAPM_OUTPUT("PDM2R"),
SND_SOC_DAPM_POST("vref", rt5677_vref_event),
};
static const struct snd_soc_dapm_route rt5677_dapm_routes[] = {
@ -3572,9 +3606,13 @@ static const struct snd_soc_dapm_route rt5677_dapm_routes[] = {
{ "LOUT2 amp", NULL, "DAC 2" },
{ "LOUT3 amp", NULL, "DAC 3" },
{ "LOUT1", NULL, "LOUT1 amp" },
{ "LOUT2", NULL, "LOUT2 amp" },
{ "LOUT3", NULL, "LOUT3 amp" },
{ "LOUT1 vref", NULL, "LOUT1 amp" },
{ "LOUT2 vref", NULL, "LOUT2 amp" },
{ "LOUT3 vref", NULL, "LOUT3 amp" },
{ "LOUT1", NULL, "LOUT1 vref" },
{ "LOUT2", NULL, "LOUT2 vref" },
{ "LOUT3", NULL, "LOUT3 vref" },
{ "PDM1L", NULL, "PDM1 L Mux" },
{ "PDM1R", NULL, "PDM1 R Mux" },
@ -3957,14 +3995,12 @@ static int rt5677_set_bias_level(struct snd_soc_codec *codec,
RT5677_PR_BASE + RT5677_BIAS_CUR4,
0x0f00, 0x0f00);
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG1,
RT5677_PWR_FV1 | RT5677_PWR_FV2 |
RT5677_PWR_VREF1 | RT5677_PWR_MB |
RT5677_PWR_BG | RT5677_PWR_VREF2,
RT5677_PWR_VREF1 | RT5677_PWR_MB |
RT5677_PWR_BG | RT5677_PWR_VREF2);
mdelay(20);
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG1,
RT5677_PWR_FV1 | RT5677_PWR_FV2,
RT5677_PWR_FV1 | RT5677_PWR_FV2);
rt5677->is_vref_slow = false;
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG2,
RT5677_PWR_CORE, RT5677_PWR_CORE);
regmap_update_bits(rt5677->regmap, RT5677_DIG_MISC,

1
sound/soc/codecs/rt5677.h
Unescape View File

@ -1687,6 +1687,7 @@ struct rt5677_priv {
bool dsp_vad_en;
struct regmap_irq_chip_data *irq_data;
bool is_dsp_mode;
bool is_vref_slow;
};
#endif /* __RT5677_H__ */

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