Bug#775319: Re[6]: Bug#775319: pulseaudio: unable to use headphones or other line out ports for audio. only speakers

[lachlan-00]

sorry for attaching so many screenshots but i think it's the easiest way to explain things.
Let's try two things:

First, check if upgrading to pulseaudio 5.99 from experimental fixes
anything. There may (I'm not sure) be a fix for volume paths that may
be relevant for you.

upgraded pulse to experimental 5.99 and reboot; the current behaviour remains doing the same tests.
I downgraded back to jessie but I can keep it on experimental if you would prefer?
If that doesn't work, let's try playing with the hardware volume
controls: run the command `alsamixer` (from the alsa-utils package),
press F6 to select the device (by default alsamixer would show only
the pulseaudio control), and then try moving the available sliders to
see if there is one that is muted or needs to have its volume raised.

In alsamixer the volume for speaker is 100 when no headphones are plugged in.
When i plug headphones in the speaker is muted and headphones are unmuted at 100.
It returns to speaker when unplugged which from my understanding is because auto-mute is enabled.
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