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ASoC: rt5682: Enable Vref2 under using PLL2

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Enable Vref2 under long term using PLL2 to avoid clock unstable.

Signed-off-by: derek.fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/1594721600-29994-1-git-send-email-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
derek.fang 2020-07-14 18:13:20 +08:00 committed by Mark Brown
parent 12eb3ad063
commit fa291331cb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 17 additions and 7 deletions
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24
sound/soc/codecs/rt5682.c
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@ -967,13 +967,12 @@ int rt5682_headset_detect(struct snd_soc_component *component, int jack_insert)
rt5682_enable_push_button_irq(component, false);
snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1,
RT5682_TRIG_JD_MASK, RT5682_TRIG_JD_LOW);
if (snd_soc_dapm_get_pin_status(dapm, "MICBIAS"))
if (!snd_soc_dapm_get_pin_status(dapm, "MICBIAS"))
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1, RT5682_PWR_MB, 0);
if (!snd_soc_dapm_get_pin_status(dapm, "Vref2"))
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1, RT5682_PWR_VREF2, 0);
else
snd_soc_component_update_bits(component,
RT5682_PWR_ANLG_1,
RT5682_PWR_VREF2 | RT5682_PWR_MB, 0);
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3,
RT5682_PWR_CBJ, 0);
@ -1609,8 +1608,7 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
0, set_filter_clk, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY("Vref1", RT5682_PWR_ANLG_1, RT5682_PWR_VREF1_BIT, 0,
rt5682_set_verf, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("Vref2", RT5682_PWR_ANLG_1, RT5682_PWR_VREF2_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("Vref2", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, NULL, 0),
/* ASRC */
@ -2493,6 +2491,15 @@ static int rt5682_wclk_prepare(struct clk_hw *hw)
snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS");
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
RT5682_PWR_MB, RT5682_PWR_MB);
snd_soc_dapm_force_enable_pin_unlocked(dapm, "Vref2");
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
RT5682_PWR_VREF2 | RT5682_PWR_FV2,
RT5682_PWR_VREF2);
usleep_range(55000, 60000);
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
RT5682_PWR_FV2, RT5682_PWR_FV2);
snd_soc_dapm_force_enable_pin_unlocked(dapm, "I2S1");
snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2F");
snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2B");
@ -2518,9 +2525,12 @@ static void rt5682_wclk_unprepare(struct clk_hw *hw)
snd_soc_dapm_mutex_lock(dapm);
snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS");
snd_soc_dapm_disable_pin_unlocked(dapm, "Vref2");
if (!rt5682->jack_type)
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_1,
RT5682_PWR_VREF2 | RT5682_PWR_FV2 |
RT5682_PWR_MB, 0);
snd_soc_dapm_disable_pin_unlocked(dapm, "I2S1");
snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2F");
snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2B");