Skip to content

Commit

Permalink
ASoC: rt5677: Set the slow charge of the vref in the end of the power…
Browse files Browse the repository at this point in the history 
… sequences

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>
  • Loading branch information
Oder Chiou authored and Mark Brown committed Nov 19, 2014
1 parent 35d40d1 commit 683996c
Show file tree
Hide file tree
Showing 2 changed files with 47 additions and 10 deletions.
56 changes: 46 additions & 10 deletions sound/soc/codecs/rt5677.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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),
Expand Down Expand Up @@ -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"),
Expand All @@ -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[] = {
Expand Down Expand Up @@ -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" },
Expand Down Expand Up @@ -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,
Expand Down
1 change: 1 addition & 0 deletions sound/soc/codecs/rt5677.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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__ */

0 comments on commit 683996c

Please sign in to comment.