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

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Message-ID: <d64991ee-e125-4497-8030-6ca64fbe35e6@sirena.org.uk>
Date: Wed, 22 May 2024 17:22:15 +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 Wed, May 22, 2024 at 06:20:14PM +0200, Artur Weber wrote:

> What would be the correct thing to do here - add a secondary DAPM widget
> of type REGULATOR_SUPPLY and connect it to the MIC widget via audio-
> routing, or replace the entire MIC widget with a REGULATOR_SUPPLY (or
> something else entirely)?

The microphone is getting a supply so the first option seems better.

> And should this be done with the Main Mic and Sub Mic as well?

Probably yes.

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