[pulseaudio-discuss] Issue with multiple hdmi codecs in radeonhd, hacked to work

[Raymond Yau]

>
>
> I just changed my RadeonHD 4670 for a 7870, and now when I type "aplay
> -l"  I get many HDMI codecs instead of just one like for the previous card.
>
> I think this confuses PulseAudio and I get no sound... (with previous card
> it worked all fine).
>
>
>
you have to provide output of alsa-info.sh

some graphic card use the motherboard internal spdif out connector for
audio
which don't support jack detection

http://www.intel.com/support/motherboards/desktop/sb/CS-032871.htm



>
> When I type "aplay -L" I get one more codec that I can see it in the
> pavucontrol profile (not sure which one as the names are irrelevant)
>
>
> if in default.pa I specify the alsa sink device=hw:0,3 directly, I do get
> sound, but then in pavucontrol I do not get the advanced sub-menu anymore
> which makes me think something is not working properly...
>
> For now I have settled on this hack instead:
>
>
> I changed the extra-hdmi.conf in
> /usr/share/pulseaudio/alsa-mixer/profile-sets file to :
>
> [Mapping hdmi-surround-extra0]
> description = Digital Surround 5.1 (HDMI 0)
> device-strings = hdmi:%f,0
> paths-output = hdmi-output-0
> channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
> priority = 1
> direction = output
>
> [Mapping hdmi-surround-extra3]
> description = Digital Surround 5.1 (HDMI 3)
> device-strings = hdmi:%f,0
> paths-output = hdmi-output-3
> channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
> priority = 1
> direction = output
>
> I only need one of these two, somehow they both work...
>
> Now everything works for me, but since it's not out of the box, I am
> guessing there might be something out there to fix.
>
>
>
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=5a61358433b1f89b500f2c365746c73cb7a27e2f
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