Re: [PATCH v4 11/23] ASoC: simple-card: Loop over all children for 'mclk-fs'

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Hi Sameer

> CPU/Codec in DPCM DAI links are connected as CPU<->Dummy and Dummy<->Codec.
> Though mostly CPU won't use/require 'mclk-fs' property, looping over
> 'np' (current child node in a DAI link) can help in cases where multiple
> Codecs are defined. This further helps to get rid of 'codec' argument
> from simple_dai_link_of_dpcm() function, which gets called for DPCM links.
> 
> Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx>
> ---
(snip)
> diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
> index 39cdc71..02d6295 100644
> --- a/sound/soc/generic/simple-card.c
> +++ b/sound/soc/generic/simple-card.c
> @@ -107,7 +107,9 @@ static void simple_parse_mclk_fs(struct device_node *top,
>  	snprintf(prop, sizeof(prop), "%smclk-fs", prefix);
>  	of_property_read_u32(node,	prop, &props->mclk_fs);
>  	of_property_read_u32(cpu,	prop, &props->mclk_fs);
> -	of_property_read_u32(codec,	prop, &props->mclk_fs);
> +
> +	if (cpu != codec)
> +		of_property_read_u32(codec, prop, &props->mclk_fs);

Maybe we want to have "cpu" in simple_dai_link_of_dpcm() side
without using magical code in simple_parse_mclk_fs() side ?

Thank you for your help !!

Best regards
---
Kuninori Morimoto



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