linux-kernel - Re: [PATCH 2/3] ASoC: ak4458: Fix the supply names

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Message-ID: <aYxtE9itdo/aYvVc@opensource.cirrus.com>
Date: Wed, 11 Feb 2026 11:50:43 +0000
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Shengjiu Wang <shengjiu.wang@....com>, lgirdwood@...il.com,
        broonie@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, linux-sound@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        perex@...ex.cz, tiwai@...e.com, nichen@...as.ac.cn,
        kuninori.morimoto.gx@...esas.com
Subject: Re: [PATCH 2/3] ASoC: ak4458: Fix the supply names

On Wed, Feb 11, 2026 at 01:18:31PM +0200, Andy Shevchenko wrote:
> On Wed, Feb 11, 2026 at 05:35:26PM +0800, Shengjiu Wang wrote:
> > According to the binding document, the supply name characters are
> > lowercase.
> 
> ...
> 
> >  static const char *ak4458_supply_names[AK4458_NUM_SUPPLIES] = {
> > -	"DVDD",
> > -	"AVDD",
> > +	"dvdd",
> > +	"avdd",
> >  };
> 
> In kernel we also have
> 
> arch/arm/boot/dts/actions/owl-s500-roseapplepi.dts:123:                         regulator-name = "AVDD";
> arch/arm/mach-s3c/mach-crag6410.c:631:  REGULATOR_SUPPLY("AVDD", "spi0.0"),
> arch/arm/mach-s3c/mach-crag6410.c:632:  REGULATOR_SUPPLY("AVDD", "spi0.1"),
> arch/arm/mach-s3c/mach-crag6410.c:655:  REGULATOR_SUPPLY("AVDD", "1-001a"),
> arch/arm/mach-s3c/mach-crag6410.c:661:  REGULATOR_SUPPLY("AVDD", "1-003a"),
> 
> Are those related? Can they affect this one?

No idea about the roseapplepi one but all the crag6410 ones
are totally different devices from this series.

Thanks,
Charles