Hit on desktop running 14.04 and nvida gtx 780. Was running nvidia-
3nvidia-3340 drivers
Fixed by uninstalling nvidia drivers:
sudo apt-get purge nvidia*
Then running the gsettings command from post 11.
Once I was back in, I installed the nvidia drivers via the 'additional
drivers' interface.
This is embarrassing, as I have failed in the scientific method. Now the
headphones are working, and it properly returns 0x8000.
I had one fan (the front fan), not plugged in, as I needed a fan
extension cable for the 3 port slot. Having received one today, I
plugged it in. At the same time, I
>sudo hda-verb /dev/snd/hwC0D0 0x1b GET_PIN_SENSE 0
>when headphone is plugged
nid = 0x1b, verb = 0xf09, param = 0x0
value = 0x0
>when headphone is unplugged
nid = 0x1b, verb = 0xf09, param = 0x0
value = 0x0
Disabling Auto-Mute mode results in no change.
With Auto-mute disabled, I started the
> If you want to connect a high-definition or an AC’97 front panel audio module
> to this
> connector, set the
> Front Panel Type
> item in the BIOS setup to [HD] or [AC97].
It is currently set to [HDAudio], and is attached using a HDAudio plug.
Setting it to [AC97] causes a headphones object to
Public bug reported:
oem-audio-hda-daily-dkms - 0.201312071632~ubuntu13.10.1 has been
installed.
Back channels work fine, but I don't have speakers plugged into there
currently.
Very minimal investigation has been done on the forums:
http://ubuntuforums.org/showthread.php?t=2192485
ProblemType:
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