[mythtv-users] Zotac ION + HDMI audio

[Andrew Close]

On Wed, Feb 10, 2010 at 2:04 PM, Phusion <phusion2k at gmail.com> wrote:
> I am in need of some help in getting HDMI audio to work on a Zotac ION
> system. The system is a Zotac IONITX-E series with HDMI connected an
> HDMI port in a Sony A/V receiver. The receiver then connects to a Sony
> LCD TV with an HDMI cable. The computer is running MythDora 10.21,
> with MythTV upgraded to 0.22-2. The following alsa packages are
> installed. Also, in the BIOS, I have it set for the AZALIA AUDIO to
> use the Internal Codec + External Codec.
>
> alsa-utils-1.0.21-2.fc10.i386
> alsa-lib-1.0.21-2.fc10.i386
>
> List of all soundcards and digital audio devices
> # aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: ALC662 Analog [ALC662 Analog]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
> card 0: NVidia [HDA NVidia], device 1: ALC662 Digital [ALC662 Digital]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
> List of all PCMs defined
> # aplay -L
> default:CARD=NVidia
>    HDA NVidia, ALC662 Analog
>    Default Audio Device
> front:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    Front speakers
> surround40:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    4.0 Surround output to Front and Rear speakers
> surround41:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> surround71:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Analog
>    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
> iec958:CARD=NVidia,DEV=0
>    HDA NVidia, ALC662 Digital
>    IEC958 (S/PDIF) Digital Audio Output
> null
>    Discard all samples (playback) or generate zero samples (capture)
>
> After searching through past emails to the list, when some users run
> the aplay commands it displays an HDMI listing. I've read some places
> that say it depends on the kernel that is being used. I am running
> Linux 2.6.27.41-170.2.117.fc10.i686.PAE i686. One place I found saying
> that this needs to be in the kernel.
>
> CONFIG_SND_HDA_CODEC_NVHDMI=y
>
> Maybe this needs to be compiled into the kernel. Let me know.

run alsamixer and make sure that all your outputs are unmuted.
they'll have an 'MM' under them if they are muted.


-- 
Andrew Close