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Old 09-08-10, 12:58 PM   #2
primerib
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Join Date: Dec 2008
Posts: 128
Default Re: ION and HDMI/Optical Audio

I don't have quite the same setup but FWIW my system has working HDMI audio:

Zotac IONITX-C
Debian testing linux
stable kernel 2.6.34.5 (using in-kernel Nvidia HDMI alsa drivers)
alsa-base 1.0.23+dfsg-1
alsa-utils 1.0.23-2

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


/etc/asound.conf:
pcm.!default {
type hw
card 0
device 3
}
ctl.!default {
type hw
card 0
}

/etc/default/grub
Since I've compiled the drivers directly into my kernel, I'm setting my driver options in the default grub command line:

GRUB_CMDLINE_LINUX="snd-hda-intel.model=3stack-dig"

After changing /etc/default/grub, update-grub must be ran.

I believe that's it.
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