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Old 01-21-10, 06:56 PM   #1
CharlesT
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Join Date: Jan 2010
Posts: 1
Default HDMI Audio with GT240?

Hey Everyone,

I was wondering if anyone has had any success with getting audio over HDMI to work with a GT240. I've seen reference to a driver pack that supposedly supports it (HD_AUDIO-9.10.tar.gz) but it didn't work for me.

I've played around with the existing ALSA driver in 1.0.20, updating the PCI_DEVICE, MODULE_ALIAS and snd_hda_preset_nvhdmi structure so that the card gets detected, but it doesn't seem to actually work (I can send audio to the device without errors, I just don't get any sound on the TV.)

Is there a newer version of the driver out, or some sort of hack to get it to work? Also, do people with other cards that do have HDMI audio working have any special tricks? IE, using special -af options for mplayer, using ieset to turn audio format on/off, set sample rates...

Here's some output from /proc/asound and aplay. I have two hda-intel soundcards: the one builtin to my MB, and the one on the GT240:

Code:
# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC883 Analog [ALC883 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC883 Digital [ALC883 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

# cat /proc/asound/devices 
  0: [ 0]   : control
  4: [ 0- 0]: hardware dependent
 16: [ 0- 0]: digital audio playback
 17: [ 0- 1]: digital audio playback
 24: [ 0- 0]: digital audio capture
 26: [ 0- 2]: digital audio capture
 32: [ 1]   : control
 33:        : timer
 36: [ 1- 0]: hardware dependent
 37: [ 1- 1]: hardware dependent
 38: [ 1- 2]: hardware dependent
 39: [ 1- 3]: hardware dependent
 51: [ 1- 3]: digital audio playback
Attached Files
File Type: gz nvidia-bug-report.log.gz (36.1 KB, 99 views)
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