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| author | Pavel Dobias <dobias@2n.cz> | 2020-05-22 16:29:57 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-05-22 19:14:08 +0100 |
| commit | 29c859df7b52080f0809b8a0b9d7b86fff379ef9 (patch) | |
| tree | 05a49c021b0839a37c62013e58d3fd1f093acede /sound/soc/codecs/max9867.c | |
| parent | 980b63f8d040a791e8d751b8065d12ad7865f976 (diff) | |
| download | lwn-29c859df7b52080f0809b8a0b9d7b86fff379ef9.tar.gz lwn-29c859df7b52080f0809b8a0b9d7b86fff379ef9.zip | |
ASoC: max9867: keep ADCs and DACs always on
Updating power management register requires toggling the shutdown
bit otherwise it causes unexpected behavior of the codec.
However, toggling the shutdown bit results in loud speaker crackling.
Setup the power management register only at startup to avoid that.
Signed-off-by: Pavel Dobias <dobias@2n.cz>
Link: https://lore.kernel.org/r/20200522142957.18364-3-dobias@2n.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/max9867.c')
| -rw-r--r-- | sound/soc/codecs/max9867.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c index 93dd3d401f19..dc05c57db03a 100644 --- a/sound/soc/codecs/max9867.c +++ b/sound/soc/codecs/max9867.c @@ -125,8 +125,8 @@ static const struct snd_soc_dapm_widget max9867_dapm_widgets[] = { SND_SOC_DAPM_INPUT("LINL"), SND_SOC_DAPM_INPUT("LINR"), - SND_SOC_DAPM_PGA("Left Line Input", MAX9867_PWRMAN, 6, 0, NULL, 0), - SND_SOC_DAPM_PGA("Right Line Input", MAX9867_PWRMAN, 5, 0, NULL, 0), + SND_SOC_DAPM_PGA("Left Line Input", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("Right Line Input", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0, max9867_input_mixer_controls, ARRAY_SIZE(max9867_input_mixer_controls)), @@ -134,8 +134,8 @@ static const struct snd_soc_dapm_widget max9867_dapm_widgets[] = { &max9867_left_dmic_mux), SND_SOC_DAPM_MUX("DMICR Mux", SND_SOC_NOPM, 0, 0, &max9867_right_dmic_mux), - SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", MAX9867_PWRMAN, 1, 0), - SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", MAX9867_PWRMAN, 0, 0), + SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_MIXER("Digital", SND_SOC_NOPM, 0, 0, max9867_sidetone_mixer_controls, @@ -143,8 +143,8 @@ static const struct snd_soc_dapm_widget max9867_dapm_widgets[] = { SND_SOC_DAPM_MIXER_NAMED_CTL("Output Mixer", SND_SOC_NOPM, 0, 0, max9867_output_mixer_controls, ARRAY_SIZE(max9867_output_mixer_controls)), - SND_SOC_DAPM_DAC("DACL", "HiFi Playback", MAX9867_PWRMAN, 3, 0), - SND_SOC_DAPM_DAC("DACR", "HiFi Playback", MAX9867_PWRMAN, 2, 0), + SND_SOC_DAPM_DAC("DACL", "HiFi Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("DACR", "HiFi Playback", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_SWITCH("Master Playback", SND_SOC_NOPM, 0, 0, &max9867_line_out_control), SND_SOC_DAPM_OUTPUT("LOUT"), @@ -452,15 +452,14 @@ static int max9867_set_bias_level(struct snd_soc_component *component, if (err) return err; - err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN, - MAX9867_SHTDOWN, MAX9867_SHTDOWN); + err = regmap_write(max9867->regmap, + MAX9867_PWRMAN, 0xff); if (err) return err; } break; case SND_SOC_BIAS_OFF: - err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN, - MAX9867_SHTDOWN, 0); + err = regmap_write(max9867->regmap, MAX9867_PWRMAN, 0); if (err) return err; |