diff options
| author | Oder Chiou <oder_chiou@realtek.com> | 2020-09-28 13:39:12 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-09-28 17:59:04 +0100 |
| commit | 9fe0ec27557570e4b17735da6ce265bbe20691ed (patch) | |
| tree | 9b2761bace4185c065a5239cfc5da7a78bc90540 | |
| parent | 5ec3c854d1a7edb95b20999d480b0c16c717254a (diff) | |
| download | linux-9fe0ec27557570e4b17735da6ce265bbe20691ed.tar.bz2 | |
ASoC: rt5682: Enable the power of "MICBIAS" and "Vref2" for the DMIC clock
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>
| -rw-r--r-- | sound/soc/codecs/rt5682.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index 93ebf0279b62..a9acce7b6cca 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -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, |