Nvidia hdmi audio problem

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http://www.linuxquestions.org – I recently installed the Nvidia drivers on my m11x and after installing bumblebee they finally started working. I can't get audio to work however over hdmi. When I have it plugged in the video comes up on the tv but no audio. If I go to sound settings it only shows the built in audio anolog stereo. I've seen other forums where they go to the hardware tab and pick the other hardware card but in my sound settings there is no hardware tab. when I do aplay -l I get **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 1/1 (HowTos)