I have also reported this bug on kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=196997
** Bug watch added: Linux Kernel Bug Tracker #196997
https://bugzilla.kernel.org/show_bug.cgi?id=196997
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Bugs, which is
I also can't get mic work on my Acer Aspire VN7-592G with ALC255.
Microphone are visible with some options for snd-hda-intel (such as
laptop-amic, laptop-amic, dell-headset-multi), but it record just a white noise.
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Bugs,