Public bug reported:
I get no sound on most boots. In Sound settings the default Output device is
HDMI / DisplayPort -
Built-in Audio and there is no option to select anything else. If I unplug my
line out and plug it in again it shows up in the list, automatically sets
itself as default and sound works fine. In Windows 10 this unplug and replug is
not required (the jack is fine).
Running:
$ amixer -c0 contents
so I can compare the non working state with the working state, the following
differences exist:
Non Working:
numid=43,iface=CARD,name='Line Out Front Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=35,iface=MIXER,name='IEC958 Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=on
Working:
numid=43,iface=CARD,name='Line Out Front Jack'
; type=BOOLEAN,access=r-------,values=1
: values=on
numid=35,iface=MIXER,name='IEC958 Playback Switch'
; type=BOOLEAN,access=rw------,values=1
: values=off
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1710752
Title:
Intel HDA Audio doesn't work
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