linux-kernel - Re: [PATCH v2 2/4] ASoC: dt-bindings: Add schema for FS2104/5S audio amplifiers

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Message-ID: <BCEA350532C6759B+aG-HNOXmswyEHs2v@foursemi.com>
Date: Thu, 10 Jul 2025 17:26:12 +0800
From: Nick Li <nick.li@...rsemi.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: lgirdwood@...il.com, broonie@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, perex@...ex.cz,
	tiwai@...e.com, xiaoming.yang@...rsemi.com,
	danyang.zheng@...rsemi.com, like.xy@...mail.com,
	linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] ASoC: dt-bindings: Add schema for FS2104/5S audio
 amplifiers

On Thu, Jul 10, 2025 at 10:27:59AM +0200, Krzysztof Kozlowski wrote:
> On 10/07/2025 10:11, Nick Li wrote:
> >>> +
> >>> +required:
> >>> +  - compatible
> >>> +  - reg
> >>> +  - reset-gpios
> >>> +  - firmware-name
> >>> +  - '#sound-dai-cells'
> >>
> >> Keep the same order as in list of properties. OTOH, missing supplies.
> > 
> > OK, we will fix the order, but the supplies may not be used as regulator,
> 
> Hm? What does it mean in terms of hardware?
> 
> > we mark them as required, is it OK?
> 
> How codec driver can work without power?

The power may be connected to the baterry/adapter directly,
it may not be under the control of the software,
in this case, the supplies are use as dummy regulators?

Best regards,
Nick

> 
> 
> Best regards,
> Krzysztof
>