Pulse Density Modulation Microphone Interface (MICFIL) module support

modulename: snd-soc-fsl-micfil.ko

configname: CONFIG_SND_SOC_FSL_MICFIL

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio for Freescale CPUs
└─>Pulse Density Modulation Microphone Interface (MICFIL) module support
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Say Y if you want to add Pulse Density Modulation microphone
interface (MICFIL) support for NXP.

source code:
sound/soc//fsl/