[alsa-devel] [PATCH v3 0/5] ALSA: hda - hdmi: ATI/AMD multi-channel and HBR support

[Andre Heider]

On Mon, Oct 28, 2013 at 08:12:43PM +0200, Anssi Hannula wrote:
> 28.10.2013 19:52, Andre Heider kirjoitti:
> > On Fri, Oct 25, 2013 at 08:23:48PM +0300, Anssi Hannula wrote:
> >> 25.10.2013 19:54, Andre Heider kirjoitti:
> >>> cat /proc/asound/card0/eld\#0.0
> >>> 	monitor_present		1
> >>> 	eld_valid		0
> >>
> >> However, this should have eld_valid=1 and contain more info. To get a
> >> hint on whether it is a bug in audio or video driver, could you give a
> >> log with CONFIG_SND_DEBUG ?
> >>
> >> AFAICS the sound git master tree should have the necessary support in
> >> the radeon video driver to allow the audio driver to generate a valid
> >> ELD with your card.
> > 
> > With CONFIG_SND_DEBUG=y I get a bunch of
> > "HDMI ATI/AMD: no speaker allocation for ELD"
> > but afaics that's about it.
> 
> Thanks, that is exactly what I was looking for.
> 
> Looks like a radeon driver issue - it does not seem to setup the speaker
> allocation registers properly (so that ALSA could read them from there),
> and I verified that the EDID you posted has a valid speaker allocation
> byte 0x4f.
> 
> Just to recheck - you are running sound git master, or something else?

This is from 3.12-rc7 with today's sound/master (3fbdaf9b) merged on top.