hello friends i have a haswell HP 250 G3 and fix the audio whit SSDT-HPET from this EFI
https://www.tonymacx86.com/threads/audio-problem-on-acer-v5-573g-haswell-alc-282-applealc-big-sur-opencore.307409/page-2
my sound card is ALC282, thanks to k.kemic for you EFI
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