Re: [PATCH v4 1/8] ASoC: dt-bindings: fsl_asrc: Change asrc-width to asrc-format

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On Sun, Mar 01, 2020 at 01:24:12PM +0800, Shengjiu Wang wrote:
> asrc_format is more inteligent, which is align with the alsa
> definition snd_pcm_format_t, we don't need to convert it to
> format in driver, and it can distinguish S24_LE & S24_3LE.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> ---
>  Documentation/devicetree/bindings/sound/fsl,asrc.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/fsl,asrc.txt b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> index cb9a25165503..0cbb86c026d5 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> +++ b/Documentation/devicetree/bindings/sound/fsl,asrc.txt
> @@ -38,7 +38,9 @@ Required properties:
>  
>     - fsl,asrc-rate	: Defines a mutual sample rate used by DPCM Back Ends.
>  
> -   - fsl,asrc-width	: Defines a mutual sample width used by DPCM Back Ends.
> +   - fsl,asrc-format	: Defines a mutual sample format used by DPCM Back
> +			  Ends. The value is one of SNDRV_PCM_FORMAT_XX in
> +			  "include/uapi/sound/asound.h"

You can't just change properties. They are an ABI.

>  
>     - fsl,asrc-clk-map   : Defines clock map used in driver. which is required
>  			  by imx8qm/imx8qxp platform
> -- 
> 2.21.0
> 



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