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ASoC: rt5682: Enable the power of "MICBIAS" and "Vref2" for the DMIC clock

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The power of "MICBIAS" and "Vref2" was needed while the DMIC clcok was from
the PLL output.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200928053912.16664-1-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2020-09-28 13:39:12 +08:00 committed by Mark Brown
parent 5ec3c854d1
commit 9fe0ec2755
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 22 additions and 2 deletions
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24
sound/soc/codecs/rt5682.c
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@ -1529,16 +1529,35 @@ static int set_dmic_power(struct snd_soc_dapm_widget *w,
struct snd_soc_component *component =
snd_soc_dapm_to_component(w->dapm);
struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
unsigned int delay = 50;
unsigned int delay = 50, val;
if (rt5682->pdata.dmic_delay)
delay = rt5682->pdata.dmic_delay;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
val = snd_soc_component_read(component, RT5682_GLB_CLK);
val &= RT5682_SCLK_SRC_MASK;
if (val == RT5682_SCLK_SRC_PLL1 || val == RT5682_SCLK_SRC_PLL2)
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1,
RT5682_PWR_VREF2 | RT5682_PWR_MB,
RT5682_PWR_VREF2 | RT5682_PWR_MB);
/*Add delay to avoid pop noise*/
msleep(delay);
break;
case SND_SOC_DAPM_POST_PMD:
if (!rt5682->jack_type) {
if (!snd_soc_dapm_get_pin_status(w->dapm, "MICBIAS"))
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1, RT5682_PWR_MB, 0);
if (!snd_soc_dapm_get_pin_status(w->dapm, "Vref2"))
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1, RT5682_PWR_VREF2, 0);
}
break;
}
return 0;
@ -1644,7 +1663,8 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY("DMIC1 Power", RT5682_DMIC_CTRL_1,
RT5682_DMIC_1_EN_SFT, 0, set_dmic_power, SND_SOC_DAPM_POST_PMU),
RT5682_DMIC_1_EN_SFT, 0, set_dmic_power,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Boost */
SND_SOC_DAPM_PGA("BST1 CBJ", SND_SOC_NOPM,