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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