Recording formats for Digi+

Hi all, I guess that this is related to the post "HifiBerry Digi - ALSA supported formats"... anyway, I'm trying to record an audio stream from my adc (96 KHz/24bits) through the S/PDIF input, but I'm unable to do it using a 24 bits format:

arecord -d 0 -r 96000 -c 2 -f U24_LE test.wav

gives back:

arecord: set_params:1229: sample format not availableavailable formats:S16_LES32_LE

Is there a known way to record using 24bits format?

Thank you


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