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

[Anssi Hannula]

28.10.2013 20:17, Andre Heider kirjoitti:
> 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.
> 

Ah, OK, that certainly explains it. 3.12-x has this one:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/radeon?id=555b1b651acf44bf27ebbb04235d38a8fd2d58dc

Could you revert that for testing, just to see if you get proper ELD
info then?

Thanks.

-- 
Anssi Hannula