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 so I believe the hardware part is good. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
