DAC + ADC not recording

hello, purchase a set of the DAC + ADC board for RPI4B.

os & kernel version

Linux 5.10.17-v7l+ armv7l

Raspbian GNU/Linux 10 (buster)

updated config to add


arecord -l

**** List of CAPTURE Hardware Devices ****
card 1: sndrpihifiberry [snd_rpi_hifiberry_dacplusadc], device 0: HiFiBerry DAC+ADC HiFi multicodec-0 [HiFiBerry DAC+ADC HiFi multicodec-0]
Subdevices: 1/1
Subdevice #0: subdevice #0


trying to record with

arecord -c 2 -r192000 -f S16_LE -D plughw:1,0 file.wav


i've tested the microphone on another device and it works fine.


any ideas what i am missing to make dac+adc record?


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