Re: [PATCH V2] ASoC: fsl_asrc: add constraint for the asrc of older version

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On Fri, Mar 01, 2019 at 08:37:08AM +0000, S.j. Wang wrote:
> There is constraint for the channel number setting on the

nit: "a constraint"

> asrc of older version (e.g. imx35), the channel number should
> be even, odd number isn't valid.

> +static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream,
> +				struct snd_soc_dai *dai)
> +{
> +	struct fsl_asrc *asrc_priv = snd_soc_dai_get_drvdata(dai);
> +
> +	/* channel_bits = 3 means older version on imx35*/

Space between '5' and '*'. And better to make it clear:

	/* Odd channel number is not valid for older ASRC (channel_bits==3) */

> +	if (asrc_priv->channel_bits == 3)
> +		snd_pcm_hw_constraint_step(substream->runtime, 0,
> +					   SNDRV_PCM_HW_PARAM_CHANNELS, 2);

For your next version,

Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>

Cheers
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