Hello Adam, On 17.07.22 20:09, Adam Ford wrote: > + > + sound-micfil { > + compatible = "fsl,imx-audio-card"; > + model = "imx-audio-micfil"; > + pri-dai-link { > + link-name = "micfil hifi"; > + format = "i2s"; Given that MICFIL and mic speak PDM with each other, is i2s the correct format here? Cheers, Ahmad -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |