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author | Mark Brown <broonie@kernel.org> | 2021-10-27 17:57:29 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2021-10-27 17:57:29 +0300 |
commit | 4bff619222a75ed1a51f6d94de9146b8ed5733d1 (patch) | |
tree | 3738623c89af8277ab4a2f8d47d35474cbfb22be | |
parent | 192cf41fefad0d5ac11e426038b24210ec0cca0d (diff) | |
parent | 6133148ca08a097ed8c57d7f5a7826723273049b (diff) | |
download | linux-4bff619222a75ed1a51f6d94de9146b8ed5733d1.tar.xz |
Merge series "Make genaral and simple for new sof machine driver" from David Lin <CTLIN0@nuvoton.com>:
The series of features will make general and simple for new sof machine driver.
David Lin (2):
ASoC: nau8825: add set_jack coponment support
ASoC: nau8825: add clock management for power saving
sound/soc/codecs/nau8825.c | 48 ++++++++++++++++++++++++++++++++++++--
1 file changed, 46 insertions(+), 2 deletions(-)
-rw-r--r-- | sound/soc/codecs/nau8825.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 67de0e49ccf4..7734bc35ab21 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -47,6 +47,7 @@ static int nau8825_configure_sysclk(struct nau8825 *nau8825, int clk_id, unsigned int freq); +static bool nau8825_is_jack_inserted(struct regmap *regmap); struct nau8825_fll { int mclk_src; @@ -981,6 +982,31 @@ static int nau8825_output_dac_event(struct snd_soc_dapm_widget *w, return 0; } +static int system_clock_control(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component); + struct regmap *regmap = nau8825->regmap; + + if (SND_SOC_DAPM_EVENT_OFF(event)) { + dev_dbg(nau8825->dev, "system clock control : POWER OFF\n"); + /* Set clock source to disable or internal clock before the + * playback or capture end. Codec needs clock for Jack + * detection and button press if jack inserted; otherwise, + * the clock should be closed. + */ + if (nau8825_is_jack_inserted(regmap)) { + nau8825_configure_sysclk(nau8825, + NAU8825_CLK_INTERNAL, 0); + } else { + nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0); + } + } + + return 0; +} + static int nau8825_biq_coeff_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -1094,6 +1120,9 @@ static const struct snd_kcontrol_new nau8825_dacr_mux = static const struct snd_soc_dapm_widget nau8825_dapm_widgets[] = { SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, NAU8825_REG_I2S_PCM_CTRL2, 15, 1), + SND_SOC_DAPM_AIF_IN("AIFRX", "Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("System Clock", SND_SOC_NOPM, 0, 0, + system_clock_control, SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_INPUT("MIC"), SND_SOC_DAPM_MICBIAS("MICBIAS", NAU8825_REG_MIC_BIAS, 8, 0), @@ -1182,9 +1211,11 @@ static const struct snd_soc_dapm_route nau8825_dapm_routes[] = { {"ADC", NULL, "ADC Clock"}, {"ADC", NULL, "ADC Power"}, {"AIFTX", NULL, "ADC"}, + {"AIFTX", NULL, "System Clock"}, - {"DDACL", NULL, "Playback"}, - {"DDACR", NULL, "Playback"}, + {"AIFRX", NULL, "System Clock"}, + {"DDACL", NULL, "AIFRX"}, + {"DDACR", NULL, "AIFRX"}, {"DDACL", NULL, "DDAC Clock"}, {"DDACR", NULL, "DDAC Clock"}, {"DACL Mux", "DACL", "DDACL"}, @@ -1434,6 +1465,12 @@ int nau8825_enable_jack_detect(struct snd_soc_component *component, nau8825->jack = jack; + if (!nau8825->jack) { + regmap_update_bits(regmap, NAU8825_REG_HSD_CTRL, + NAU8825_HSD_AUTO_MODE | NAU8825_SPKR_DWN1R | + NAU8825_SPKR_DWN1L, 0); + return 0; + } /* Ground HP Outputs[1:0], needed for headset auto detection * Enable Automatic Mic/Gnd switching reading on insert interrupt[6] */ @@ -2416,6 +2453,12 @@ static int __maybe_unused nau8825_resume(struct snd_soc_component *component) return 0; } +static int nau8825_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data) +{ + return nau8825_enable_jack_detect(component, jack); +} + static const struct snd_soc_component_driver nau8825_component_driver = { .probe = nau8825_component_probe, .remove = nau8825_component_remove, @@ -2430,6 +2473,7 @@ static const struct snd_soc_component_driver nau8825_component_driver = { .num_dapm_widgets = ARRAY_SIZE(nau8825_dapm_widgets), .dapm_routes = nau8825_dapm_routes, .num_dapm_routes = ARRAY_SIZE(nau8825_dapm_routes), + .set_jack = nau8825_set_jack, .suspend_bias_off = 1, .idle_bias_on = 1, .use_pmdown_time = 1, |