Comment # 19 on bug 1069846 from Dr. Werner Fink

(In reply to Takashi Iwai from comment #18)
> I guess the problem persists with the latest releases?
> 
> If the problem still needs to be resolved, we'd need to contact with Tuxedo
> people.  Basically this requires a special i2c driver that does
> initialization at boot up and PM.  But without the hardware details, it
> can't work.

I have still to use

 cat /usr/lib/systemd/system-sleep/headphone.sleep
 #!/bin/bash
 case "$1/$2" in
 post/*)
     /root/bin/init-headphone
     systemctl restart pulseaudio
     ;;
 esac

with the script from comment #7