Cannot play sound via HDMI anylonger after Monitor suspends
Summary
Sound switches to internal sound speaker after monitor suspends, but cannot be via HDMI after turning monitor on again
environment
Steps to reproduce
- have Samsung LC43J890DKUXZG Monitor connected via 2xHDMI
- play music via vlc via HDMI, HDMI is shown via pavucontrol --> works
- turn off monitor, either manually or via power saving (30min)
- music switches to internal/laptop sound speaker
- turn monitor back on
- try to switch to HDMI via pavucontrol -> not found anymore
- killall pulseaudio and restart vlc (otherwise vlc goes up to 100% cpu) -> music can be played again
aplay shows on both times the same:
**** Liste der Hardware-Geräte (PLAYBACK) ****
Karte 0: PCH [HDA Intel PCH], Gerät 0: ALC269VC Analog [ALC269VC Analog]
Sub-Geräte: 0/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 3: HDMI 0 [HDMI 0]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 7: HDMI 1 [HDMI 1]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 8: HDMI 2 [HDMI 2]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 9: HDMI 3 [HDMI 3]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 0: PCH [HDA Intel PCH], Gerät 10: HDMI 4 [HDMI 4]
Sub-Geräte: 1/1
Sub-Gerät #0: subdevice #0
Karte 1: Dock [USB3.0 Dual Video Dock], Gerät 0: USB Audio [USB Audio]
Sub-Geräte: 0/1
Sub-Gerät #0: subdevice #0
Karte 2: Headset [Logitech USB Headset], Gerät 0: USB Audio [USB Audio]
Sub-Geräte: 0/1
Sub-Gerät #0: subdevice #0
What is the current bug behavior?
- sound can only be played internally
What is the expected correct behavior?
- pulseaudio should detect HDMI again