[alsa-devel] [PATCH v6] ASoC: max98090: remove 24-bit format support if RJ is 0

[Mark Brown]

On Tue, Jun 18, 2019 at 10:24:11AM +0800, Yu-Hsuan Hsu wrote:

> +	/*
> +	 * When TDM = 0, remove 24-bit format support if it is not in right
> +	 * justified mode.
> +	 */
> +	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_RIGHT_J &&
> +			!max98090->tdm_slots)
> +		substream->runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_S24_LE;

Why do this and not add a constraint (which doesn't modify any
constant data structures)?
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