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? Thanks, John _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
