Hi,  I have a brand new Dell Vostro 5490. It has a Intel HDA Sound (8086:02c8).  My problem is that (it is not showing any input mic):    Pulse Audio is showing my mic as unplugged:    It was configured as Duplex Audio:    At kernel 5.5.6 it did not reconized my sound card and to fix I had to create a file alsa.conf with that option:  options snd-intel-dspcfg dsp_driver=1  I’m planning to update to Fedora 31, but as I already update my firmware and it does not solve the problem, I don’t know if ...