On Thu, Nov 25, 2010 at 6:21 PM, John Ettedgui <john.ettedgui@xxxxxxxxx> wrote: > On Thu, Nov 25, 2010 at 6:16 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >> On 26.11.2010 04:02, John Ettedgui wrote: >>> On Thu, Nov 25, 2010 at 5:08 PM, John Ettedgui <john.ettedgui@xxxxxxxxx> wrote: >>>> On Thu, Nov 25, 2010 at 4:59 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>> On 26.11.2010 02:53, John Ettedgui wrote: >>>>>> On Thu, Nov 25, 2010 at 3:34 PM, John Ettedgui <john.ettedgui@xxxxxxxxx> wrote: >>>>>>> On Thu, Nov 25, 2010 at 3:15 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>> On 26.11.2010 01:11, John Ettedgui wrote: >>>>>>>>> On Thu, Nov 25, 2010 at 2:58 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>> On 26.11.2010 00:42, John Ettedgui wrote: >>>>>>>>>>> On Thu, Nov 25, 2010 at 11:19 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>>>> On 25.11.2010 14:21, John Ettedgui wrote: >>>>>>>>>>>>> On Thu, Nov 25, 2010 at 3:40 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>>>>>> On 25.11.2010 13:09, John Ettedgui wrote: >>>>>>>>>>>>>>> On Thu, Nov 25, 2010 at 2:49 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>>>>>>>> On 25.11.2010 06:12, John Ettedgui wrote: >>>>>>>>>>>>>>>>> I'm actually trying to get a 5.1 setup working without passthrough, if >>>>>>>>>>>>>>>>> I use mplayer with passthrough my receiver behaves just fine, but I am >>>>>>>>>>>>>>>>> trying to send the 6 channels from the computer. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> I was actually told that the current ALSA driver for radeon's hdmi >>>>>>>>>>>>>>>>> does not support more than 2 channels, and that would explain why I'm >>>>>>>>>>>>>>>>> getting this behavior. Is that true though? >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Yes. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> However, strangely your log output seems to show the intel's hdmi parser >>>>>>>>>>>>>>>> being used instead: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> ALSA sound/pci/hda/patch_intelhdmi.c:842: hdmi_setup_stream: NID=0x2, >>>>>>>>>>>>>>>>> stream=0x1, new-format=0x11 >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Were you just trying some patch at the time? >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> yes Wu gave me a patch to try against the kernel, I'm guessing this is >>>>>>>>>>>>>>> the reason you see something unexpected. >>>>>>>>>>>>>> >>>>>>>>>>>>>> Did 6 channels work with that patch? (possibly with a wrong channel order) >>>>>>>>>>>>> Not any better as far as I remember. >>>>>>>>>>>> >>>>>>>>>>>> OK. Did 2 channel audio continue to work with it? >>>>>>>>>>>> >>>>>>>>>>>> If you are not sure, here's the patch doing the same thing against >>>>>>>>>>>> current alsa driver: >>>>>>>>>>>> http://stuff.onse.fi/0001-ALSA-hda-Use-generic-HDMI-code-for-ATI-HDMI-codecs.patch >>>>>>>>>>>> >>>>>>>>>>>> Confirming that would help (it would allow to switch the ATI chip to use >>>>>>>>>>>> the generic parser instead of the ATI-specific one), though not with the >>>>>>>>>>>> multichannel issue (see below). >>>>>>>>>>>> >>>>>>>>>>>> [...] >>>>>>>>>>>> >>>>>>>>>>>>>>> Since I just moved to jack/rca cables I'm in no hurry anymore, but is >>>>>>>>>>>>>>> there any reason why the driver cannot work with more than 2 channels? >>>>>>>>>>>>>> >>>>>>>>>>>>>> I don't really know (it is simply not implemented). >>>>>>>>>>>>> Alright. >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Anything I could do to help with that? >>>>>>>>>>>>>> >>>>>>>>>>>>>> Possibly. But see above, so that we won't try the same things you >>>>>>>>>>>>>> already tried :) >>>>>>>>>>>>>> >>>>>>>>>>>>> Sure :) >>>>>>>>>>>> >>>>>>>>>>>> Looking again at the the alsa info output you provided, I don't think I >>>>>>>>>>>> have any great ideas. It looks like the chip simply reports that it >>>>>>>>>>>> supports a maximum of 2 channels. >>>>>>>>>>>> >>>>>>>>>>>> One option could be hardcoding "chans = 8;" in generic_hdmi_build_pcms() >>>>>>>>>>>> in sound/pci/hda/patch_hdmi.c (assuming you have the above patch and 2 >>>>>>>>>>>> channel audio works with it). However, I find it rather unlikely that it >>>>>>>>>>>> would make any difference. >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> Anssi Hannula >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Anssi, >>>>>>>>>>> the patch fails on my kernel, I cannot find the hda_codec_preset >>>>>>>>>>> manually in there either. >>>>>>>>>>> Did you want me to try that against a 2.6.37 rc instead of a 2.6.36? >>>>>>>>>> >>>>>>>>>> For 2.6.36 I think you can just use your earlier patch. >>>>>>>>>> >>>>>>>>>> Note that on that kernel generic_hdmi_build_pcms() is >>>>>>>>>> intel_hdmi_build_pcms() in patch_intelhdmi.c. >>>>>>>>>> >>>>>>>>> ok >>>>>>>>>> BTW, I've just been informed by another ATI user that his card was >>>>>>>>>> actually stereo-only, while he thought earlier it was multichannel >>>>>>>>>> capable. So, are you sure your card is a multichannel one? >>>>>>>>>> (if not, it would explain why the card says it is not) >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Anssi Hannula >>>>>>>>>> >>>>>>>>> Yes, it works fine in Window Âso I believe the hardware part is good. >>>>>>>> >>>>>>>> And you are sure it is multichannel PCM, and not e.g. multichannel DTS >>>>>>>> or multichannel AC-3 with on-the-fly compression, which are possible >>>>>>>> with stereo hdmi as well? >>>>>>>> >>>>>>>> Just making sure :) >>>>>>>> >>>>>>>> -- >>>>>>>> Anssi Hannula >>>>>>>> >>>>>>> >>>>>>> Well, I have not super tested it, but the reason I believe it is is >>>>>>> simple, when I use passthrough my receiver says Dolby digital or >>>>>>> something like that, but in Windows just going around or playing games >>>>>>> it says Multichannel. >>>>> >>>>> Sounds ok then. >>>>> >>>>>>> I'll get the patch applied in a few minutes, I was running out of >>>>>>> memory and my system was getting really slow... :) >>>>>>> >>>>>> >>>>>> I am not sure if I did it right but now I don't even get hdmi sound >>>>>> working anymore. >>>>>> It is not listed in aplay-l, and dmesg gives me this: >>>>>> [drm:radeon_dvi_detect] *ERROR* HDMI Type A-1: probed a monitor but >>>>>> no|invalid EDID >>>>>> >>>>>> I've attached the patch I used, since I could not used the previous >>>>>> one I had to hack it, maybe I broke something? >>>>>> (I have not set channels to 8 yet, just changed the parser) >>>>> >>>>> The patch looks ok. The above error message is weird, as it comes from >>>>> the display driver which should not be affected by the patch at all. >>>>> >>>>> I'll look at the code later (tomorrow maybe). Until then I'd advise you >>>>> to retry without the patch and with the patch again, just to make sure >>>>> this is not some unrelated issue... >>>>> Also, post the whole dmesg when it works (2 channel, without patch), and >>>>> when it doesn't (with patch). >>>>> >>>>> -- >>>>> Anssi Hannula >>>>> >>>> Following your message I restarted my computer and that error was >>>> gone, yet there is still nothing display in aplay -l / aplay -L about >>>> hdmi anymore. >>>> I'll go back to my non patched kernel and see what it does. >>>> >>> With the non-patched kernel I get back my hdmi in aplay -l, so it >>> looks like the patch messed up something. >> >> Indeed. >> >>> I really think that when I tried it before it did not do that, but it >>> was so long ago that I could be wrong... >> >> Well, the driver has changed since then, it could be more strict now :) >> >>> Anyway here are the 2 dmesgs (not sure if they'll help though). >> >> Indeed, there doesn't seem to be any difference. Maybe try with >> CONFIG_SND_DEBUG_VERBOSE? >> >> -- >> Anssi Hannula >> > > Sure I'll get that. > There you go.
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