Realtek ALC233 on Asus TUF FX505DT laptop. Combined headset (headphone + mic). Headset mic not being detected at configuration. Headphones work correctly.
Just the external mic being detected in the configuration from bios:
[ 3.326465] snd_hda_codec_realtek hdaudioC1D0: inputs:
[ 3.326468] snd_hda_codec_realtek hdaudioC1D0: Mic=0x12
alsamixer shows only the external mic volume and boost controls.
Created attachment 288319 [details]
Reconfigure node 0x19 as per Asus MJ401T enables headphone mic
Patch submitted to the maintainers for review.