$lspci -nnk | grep -A2 Audio
00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core
Processor HD Audio Controller [8086:0c0c] (rev 06)
Subsystem: Dell Xeon E3-1200 v3/4th Gen Core Processor HD Audio
Controller [1028:05aa]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
--
00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset
High Definition Audio Controller [8086:8c20] (rev 05)
Subsystem: Dell 8 Series/C220 Series Chipset High Definition Audio
Controller [1028:05aa]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
--
01:00.1 Audio device [0403]: NVIDIA Corporation GK106 HDMI Audio Controller
[10de:0e0b] (rev ff)
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
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https://bugs.launchpad.net/bugs/1849268
Title:
No audio after unplugging HDMI (with workaround)
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