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Nvidia Optimus + bumblebee for Audio playback via displayport

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Hi,
I want to use my laptop to play music via my receiver. The receiver has an HDMI input and I am connecting it via an HDMI / DIsplayport adapter to my Lenovo T420s. Furthermore, I installed (hopefully it was successful) bumblebee. For me, it seems to be running. Here the output of 'bumblebeed --debug':
Code:

bumblebeed --debug
[  208.331747] [DEBUG]bbswitch has been detected.
[  208.331782] [INFO]Switching method 'bbswitch' is available and will be used.
[  208.331789] [DEBUG]Active configuration:
[  208.331794] [DEBUG] bumblebeed config file: /etc/bumblebee/bumblebee.conf
[  208.331800] [DEBUG] X display: :8
[  208.331805] [DEBUG] LD_LIBRARY_PATH: /usr/lib64/nvidia:/usr/lib/nvidia
[  208.331810] [DEBUG] Socket path: /var/run/bumblebee.socket
[  208.331815] [DEBUG] xorg.conf file: /etc/bumblebee/xorg.conf.nvidia
[  208.331821] [DEBUG] xorg.conf.d dir: /etc/bumblebee/xorg.conf.d
[  208.331826] [DEBUG] ModulePath: /usr/lib64/nvidia/xorg/,/usr/lib64/xorg/modules
[  208.331832] [DEBUG] GID name: bumblebee
[  208.331837] [DEBUG] Power method: auto
[  208.331842] [DEBUG] Stop X on exit: 0
[  208.331847] [DEBUG] Driver: nvidia
[  208.331852] [DEBUG] Driver module: nvidia
[  208.331857] [DEBUG] Card shutdown state: 1
[  208.331986] [DEBUG]Process /sbin/modprobe started, PID 2598.
[  208.332072] [DEBUG]Hiding stderr for execution of /sbin/modprobe
[  208.333682] [DEBUG]SIGCHILD received, but wait failed with No child processes
[  208.333715] [DEBUG]Configuration test passed.
[  208.334052] [INFO]bumblebeed 3.2.1 started
[  208.334231] [INFO]Initialization completed - now handling client requests

Code:

optirun glxinfo2 | grep -i opengl
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: NVS 4200M/PCIe/SSE2
OpenGL core profile version string: 4.3.0 NVIDIA 334.21
OpenGL core profile shading language version string: 4.30 NVIDIA via Cg compiler
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.4.0 NVIDIA 334.21
OpenGL shading language version string: 4.40 NVIDIA via Cg compiler
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:


Normally ( at least under windows ) the receiver is detected as a normal monitor or TV because it is capable to pass through the complete video stream. Unfortunately, using opensuse its not beeing detected:
Code:

xrandr
Screen 0: minimum 320 x 200, current 1600 x 900, maximum 32767 x 32767
LVDS1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 310mm x 174mm
  1600x900      60.0*+
  1024x768      60.0
  800x600        60.3    56.2
  640x480        59.9
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

I think for the same reason, also there is no additional audio device detected.

I appreciate any help! Thanks in advance!

Here some more information regarding my system:
I'm running Opensuse 13.1 with kernel 3.11.10-7-desktop and the following graphic cards are detected:
Code:

lspci | grep -E "VGA|3D"
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119M [NVS 4200M] (rev ff)

my /etc/bumblebee/xorg.conf.nvidia file:
Code:

Section "ServerLayout"
    Identifier  "Layout0"
    Option      "AutoAddDevices" "false"
    Option      "AutoAddGPU" "false"
EndSection

Section "Device"
    Identifier  "DiscreteNvidia"
    Driver      "nvidia"
    VendorName  "NVIDIA Corporation"
    Option "ConnectedMonitor" "DFP"
    BusID        "PCI:01:00:0"
    Option "ProbeAllGpus" "false"
    Option "NoLogo" "true"
EndSection


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