Instead of using a custom function with the SND_SOC_DAPM_MIC widget, split out the main mic/sub mic bias regulators into a separate widget using SND_SOC_DAPM_REGULATOR_SUPPLY, and connect them via a routing.
Signed-off-by: Artur Weber aweber.kernel@gmail.com --- Changes in v4: - Added this commit --- sound/soc/samsung/midas_wm1811.c | 62 +++++++++------------------------------- 1 file changed, 13 insertions(+), 49 deletions(-)
diff --git a/sound/soc/samsung/midas_wm1811.c b/sound/soc/samsung/midas_wm1811.c index f31244156ff6..20b274734487 100644 --- a/sound/soc/samsung/midas_wm1811.c +++ b/sound/soc/samsung/midas_wm1811.c @@ -10,7 +10,6 @@ #include <linux/mfd/wm8994/registers.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/regulator/consumer.h> #include <sound/jack.h> #include <sound/soc.h> #include <sound/soc-dapm.h> @@ -27,8 +26,6 @@ #define DEFAULT_FLL1_RATE 11289600U
struct midas_priv { - struct regulator *reg_mic_bias; - struct regulator *reg_submic_bias; struct gpio_desc *gpio_fm_sel; struct gpio_desc *gpio_lineout_sel; unsigned int fll1_rate; @@ -169,38 +166,6 @@ static int midas_ext_spkmode(struct snd_soc_dapm_widget *w, return ret; }
-static int midas_mic_bias(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - struct snd_soc_card *card = w->dapm->card; - struct midas_priv *priv = snd_soc_card_get_drvdata(card); - - switch (event) { - case SND_SOC_DAPM_PRE_PMU: - return regulator_enable(priv->reg_mic_bias); - case SND_SOC_DAPM_POST_PMD: - return regulator_disable(priv->reg_mic_bias); - } - - return 0; -} - -static int midas_submic_bias(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - struct snd_soc_card *card = w->dapm->card; - struct midas_priv *priv = snd_soc_card_get_drvdata(card); - - switch (event) { - case SND_SOC_DAPM_PRE_PMU: - return regulator_enable(priv->reg_submic_bias); - case SND_SOC_DAPM_POST_PMD: - return regulator_disable(priv->reg_submic_bias); - } - - return 0; -} - static int midas_fm_set(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -272,8 +237,17 @@ static const struct snd_soc_dapm_widget midas_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), - SND_SOC_DAPM_MIC("Main Mic", midas_mic_bias), - SND_SOC_DAPM_MIC("Sub Mic", midas_submic_bias), + SND_SOC_DAPM_MIC("Main Mic", NULL), + SND_SOC_DAPM_REGULATOR_SUPPLY("mic-bias", 0, 0), + SND_SOC_DAPM_MIC("Sub Mic", NULL), + SND_SOC_DAPM_REGULATOR_SUPPLY("submic-bias", 0, 0), +}; + +/* Default routing; supplemented by audio-routing DT property */ +static const struct snd_soc_dapm_route midas_dapm_routes[] = { + /* Bind microphones with their respective regulator supplies */ + {"Main Mic", NULL, "mic-bias"}, + {"Sub Mic", NULL, "submic-bias"}, };
static int midas_set_bias_level(struct snd_soc_card *card, @@ -421,6 +395,8 @@ static struct snd_soc_card midas_card = { .num_controls = ARRAY_SIZE(midas_controls), .dapm_widgets = midas_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(midas_dapm_widgets), + .dapm_routes = midas_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(midas_dapm_routes),
.set_bias_level = midas_set_bias_level, .late_probe = midas_late_probe, @@ -443,18 +419,6 @@ static int midas_probe(struct platform_device *pdev) snd_soc_card_set_drvdata(card, priv); card->dev = dev;
- priv->reg_mic_bias = devm_regulator_get(dev, "mic-bias"); - if (IS_ERR(priv->reg_mic_bias)) { - dev_err(dev, "Failed to get mic bias regulator\n"); - return PTR_ERR(priv->reg_mic_bias); - } - - priv->reg_submic_bias = devm_regulator_get(dev, "submic-bias"); - if (IS_ERR(priv->reg_submic_bias)) { - dev_err(dev, "Failed to get submic bias regulator\n"); - return PTR_ERR(priv->reg_submic_bias); - } - priv->gpio_fm_sel = devm_gpiod_get_optional(dev, "fm-sel", GPIOD_OUT_HIGH); if (IS_ERR(priv->gpio_fm_sel)) { dev_err(dev, "Failed to get FM selection GPIO\n");