[mythtvnz] HDMI sound through AMD 780G Radeon HD 3200 in Mythbuntu

[Nick Rout]

On Sun, Feb 22, 2009 at 10:45 AM, Aaron Whitehouse
<lists at whitehouse.org.nz> wrote:
> Hello,
>
> I have just upgraded my HTPC to one based on the AMD 780G chipset. This
> chipset includes an HDMI out through a Radeon HD 3200. When I plug in
> through that, the video works as expected, but the sound still uses the
> speaker-out and so I get nothing on my TV (if you use HDMI for video on
> the TV, you have to use the HDMI for the sound for that channel).
>
> I have tried tweaking the settings in alsamixer and tried changing the
> settings in MythTV on the Utilities/Setup > Setup > General > Audio
> page, but I don't really know what I am doing and nothing seems to work.
> The card also has an S/PDIF out, which may complicate matters.
>
> I understand that the aim is to have all 5.1 sound go to the TV as-is,
> and all other audio types sent to the TV as PCM.
>
> I am using the Free Radeon drivers and would prefer to continue doing so
> unless there is a good reason to change to the non-Free ones.
>
> Any help would be appreciated!
>

see if this helps(although it is mainly geared to nvidia I think)