Microphone not working on Realtek ALC256

I have a system that has Realtek ALC256. The output from speakers and headphone jack is working okay but there is no input sound from the microphone. The following is the output of "/dev/sndstat"

pcm0: <Realtek ALC256 (Analog)> (play/rec) default
pcm1: <Realtek ALC256 (Left Analog Headphones)> (play)

I search the previous posts and only thing that comes closer to this question is a post from 2021 which is not resolved.

Does anyone has the same problem still?

Thanks
 
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