linux-kernel - Re: [PATCH v3 3/8] ASoC: samsung: midas_wm1811: Add headset mic bias supply support

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Date: Mon, 20 May 2024 15:35:38 +0100
From: Mark Brown <broonie@...nel.org>
To: Artur Weber <aweber.kernel@...il.com>
Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>, Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Alim Akhtar <alim.akhtar@...sung.com>, alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v3 3/8] ASoC: samsung: midas_wm1811: Add headset mic bias
 supply support

On Sun, May 19, 2024 at 10:17:49AM +0200, Artur Weber wrote:

> +static int midas_headset_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);
> +
> +	if (!priv->reg_headset_mic_bias)
> +		return 0;
> +
> +	switch (event) {
> +	case SND_SOC_DAPM_PRE_PMU:
> +		return regulator_enable(priv->reg_headset_mic_bias);
> +	case SND_SOC_DAPM_POST_PMD:
> +		return regulator_disable(priv->reg_headset_mic_bias);
> +	}

We have SND_SOC_DAPM_REGULATOR_SUPPLY?

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