Re: [PATCH 2/2] ASoC: audio_graph_card2: Add support for variable slot widths

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Hi Richard

Thank you for your patch.
One comment from me.

>  struct asoc_simple_dai {
>  	const char *name;
>  	unsigned int sysclk;
> @@ -26,6 +31,9 @@ struct asoc_simple_dai {
>  	unsigned int rx_slot_mask;
>  	struct clk *clk;
>  	bool clk_fixed;
> +	struct asoc_simple_tdm_width_map *tdm_width_map;
> +	int n_tdm_widths;
> +	struct snd_soc_dai *dai;
>  };
(snip)
> +	ret = snd_soc_dai_set_tdm_slot(simple_dai->dai,
> +				       simple_dai->tx_slot_mask,
> +				       simple_dai->rx_slot_mask,
> +				       simple_dai->slots,
> +				       slot_width);
(snip)
> +	for_each_prop_dai_codec(props, i, pdai) {
> +		ret = asoc_simple_set_tdm(pdai, params);
> +		if (ret < 0)
> +			return ret;
> +	}
> +
> +	for_each_prop_dai_cpu(props, i, pdai) {
> +		ret = asoc_simple_set_tdm(pdai, params);
> +		if (ret < 0)
> +			return ret;
> +	}
(snip)
> @@ -386,6 +479,8 @@ static int asoc_simple_init_dai(struct snd_soc_dai *dai,
>  	if (!simple_dai)
>  		return 0;
>  
> +	simple_dai->dai = dai;

Indeed the relationship between asoc_simple_dai and snd_soc_dai are
very mystery, and current utils is using confusable naming.
We want to have some better solution about there.

Having snd_soc_dai pointer inside asoc_simple_dai itself is not bad idea.
But we can get snd_soc_dai pointer without it.

Please check asoc_simple_dai_init().
Not tested, but we can replace the code like this ?

=>	struct snd_soc_dai *dai;

	for_each_prop_dai_codec(props, i, pdai) {
=>		dai = asoc_rtd_to_codec(rtd, i);
		ret = asoc_simple_set_tdm(dai, pdai, params);
		if (ret < 0)
			return ret;
	}


Thank you for your help !!

Best regards
---
Kuninori Morimoto



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