Sound through HDMI with ATI Radeon HD 4550

[Eric Dantan Rzewnicki]

On Tue, Jan 26, 2010 at 04:06:11PM +0100, debian at bercot.org wrote:
> 
> Hello,
> 
> I'm not sure I'm at the right place (please, if not, tell me where I can
> find a solution...) but I have a problem with multimedia hardware.
> So, I've changed my graphic card and I've bought an ATI Radeon HD 4550. My
> goal is to use only an HDMI cable between my computer and my AV amplifier.
> I've installed Debian Sid but I can't have any sound... Everything seems
> OK with Alsa (and PulseAudio), but no sound !!!
> 
> With google, I've found this :
> http://www.phoronix.com/scan.php?page=news_item&px=NzgxMA
> [I should need a 2.6.33 kernel to have HDMI support with ATI cards]
> So, I've compiled the 2.6.33RC5 kernel, but no difference !!!
> 
> The card seems to be OK :
> # aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> 
> Do you have any idea ?

This list is mostly not active anymore.

You might have more luck on pkg-multimedia-maintainers. I've Cc:'ed that
list. 

(maybe also try debian-user list?)

-edrz