linux-kernel - Re: [PATCH v6 2/7] ASoC: dt-bindings: fsl_asrc: Add new property fsl,asrc-format

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Date:   Mon, 6 Apr 2020 15:43:52 -0700
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     timur@...nel.org, Xiubo.Lee@...il.com, festevam@...il.com,
        broonie@...nel.org, alsa-devel@...a-project.org,
        lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/7] ASoC: dt-bindings: fsl_asrc: Add new property
 fsl,asrc-format

On Wed, Apr 01, 2020 at 04:45:35PM +0800, Shengjiu Wang wrote:
> In order to support new EASRC and simplify the code structure,
> We decide to share the common structure between them. This bring
> a problem that EASRC accept format directly from devicetree, but
> ASRC accept width from devicetree.
> 
> In order to align with new ESARC, we add new property fsl,asrc-format.
> The fsl,asrc-format can replace the fsl,asrc-width, then driver
> can accept format from devicetree, don't need to convert it to
> format through width.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>

Once Rob has no objection:
Acked-by: Nicolin Chen <nicoleotsuka@...il.com>

> ---
>  Documentation/devicetree/bindings/sound/fsl,asrc.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/fsl,asrc.txt b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> index cb9a25165503..998b4c8a7f78 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> +++ b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> @@ -51,6 +51,10 @@ Optional properties:
>  			  will be in use as default. Otherwise, the big endian
>  			  mode will be in use for all the device registers.
>  
> +   - fsl,asrc-format	: Defines a mutual sample format used by DPCM Back
> +			  Ends, which can replace the fsl,asrc-width.
> +			  The value is 2 (S16_LE), or 6 (S24_LE).
> +
>  Example:
>  
>  asrc: asrc@...4000 {
> -- 
> 2.21.0
>