linux-kernel - Re: [PATCH v3 6/6] ARM: configs: at91: sama7_defconfig: add MCHP PDMC and DMIC drivers

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Date:   Thu, 5 May 2022 15:58:34 +0200
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <lars@...afoo.de>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <robh+dt@...nel.org>
Subject: Re: [PATCH v3 6/6] ARM: configs: at91: sama7_defconfig: add MCHP PDMC
 and DMIC drivers

On 07/03/2022 at 13:22, Codrin Ciubotariu wrote:
> Enable drivers needed for Microchip's PDMC and PDM microphones.
> 
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
> ---
> 
> Changes in v2,v3:
>   - none;
> 
>   arch/arm/configs/sama7_defconfig | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/configs/sama7_defconfig b/arch/arm/configs/sama7_defconfig
> index 0368068e04d9..bc29badab890 100644
> --- a/arch/arm/configs/sama7_defconfig
> +++ b/arch/arm/configs/sama7_defconfig
> @@ -138,6 +138,8 @@ CONFIG_SND_SOC_MIKROE_PROTO=m
>   CONFIG_SND_MCHP_SOC_I2S_MCC=y
>   CONFIG_SND_MCHP_SOC_SPDIFTX=y
>   CONFIG_SND_MCHP_SOC_SPDIFRX=y
> +CONFIG_SND_MCHP_SOC_PDMC=y
> +CONFIG_SND_SOC_DMIC=y

I'm fine with that, but I see that some Kconfig entries "select" this 
SND_SOC_DMIC directly (amd, intel, mediatek, stm).
If it's absolutely needed for PDMC to work, what about doing the same as 
it would prevent some broken configurations?

Regards,
   Nicolas

>   CONFIG_SND_SOC_PCM5102A=y
>   CONFIG_SND_SOC_SPDIF=y
>   CONFIG_SND_SIMPLE_CARD=y


-- 
Nicolas Ferre