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

[Anssi Hannula]

12.11.2013 08:35, Olivier Langlois kirjoitti:
> Anssi,
> 
> With your speaker-test patch (v1), I have been able to make sure that I
> could use the 8 channels with my AMD card.
> 
> for the ramp up/down testing. I have the same result than with v2 of
> your patch.
> 
> eld#0.0 file content is identical as well.
> 
> DTS-HD and Dolby True-HD are sent correctly and recognized by the
> receiver by using the files from:
> 
> http://phoronix.com/forums/showthread.php?27348-TrueHD-DTS-HD-E-AC3-Over-HDMI-On-Linux
> 
> with the command:s
> 
> aplay -Dhdmi:CARD=HDMI,DEV=0,AES0=6 -c8  -r192000 -f s16_le thd.spdif
> aplay -Dhdmi:CARD=HDMI,DEV=0,AES0=6 -c8  -r192000 -f s16_le dts.spdif

OK, good.

Thanks a lot for testing :)

> 
> 
>>>>
>>>>
>>> Sure, here is the output:
>>>
>>> [   78.384821] ALSA sound/pci/hda/patch_hdmi.c:1167 HDMI hot plug event:
>>> Codec=0 Pin=3 Device=0 Inactive=0 Presence_Detect=0 ELD_Valid=1
>>> [   78.384834] ALSA sound/pci/hda/patch_hdmi.c:1512 HDMI status: Codec=0
>>> Pin=3 Presence_Detect=1 ELD_Valid=1
>>> [  128.437676] ALSA sound/pci/hda/patch_hdmi.c:678 HDMI: select CA 0x13
>>> for 8-channel allocation:  FL/FR LFE FC RL/RR RLC/RRC
>>> [  128.437797] CA XX 19 => 8
>>> [  128.437799] XX hdmi_map 00
>>> [  128.437801] XX hdmi_map 11
>>> [  128.437802] XX hdmi_map 26
>>> [  128.437804] XX hdmi_map 37
>>> [  128.437806] XX hdmi_map 43
>>> [  128.437807] XX hdmi_map 52
>>> [  128.437809] XX hdmi_map 64
>>> [  128.437810] XX hdmi_map 75
>>> [  128.437957] ALSA sound/pci/hda/patch_hdmi.c:3108
>>> atihdmi_pin_hbr_setup: NID=0x3, hbr-ctl=0x1
>>>
>>> This is looking good. Maybe this is coming from how the channel mapping
>>> is communicated to speaker-test through ALSA API but I don't know much
>>> about that.
>>>
>>> I'll try to understand as well on my side what is going on.
>>
>> Hmm seems I can reproduce this issue just fine on my side now on
>> non-AMD, so I'm going to look into this myself as well. Looks a bit like
>> a speaker-test bug to me (since the printed channel numbers are
>> duplicated, and amixer shows proper chmap), though if that is the case I
>> wonder why I didn't see this before... I'll take a look.
>>
> 
> 
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-- 
Anssi Hannula