Takashi Iwai wrote: > At Thu, 08 Mar 2007 12:05:49 -0500, > Randy Cushman wrote: > >> Takashi Iwai wrote: >> >>> At Thu, 8 Mar 2007 17:52:43 +0100, >>> Michal Piotrowski wrote: >>> >>> >>>> On 08/03/07, Takashi Iwai <tiwai@xxxxxxx> wrote: >>>> >>>> >>>>> At Thu, 08 Mar 2007 16:42:26 +0100, >>>>> Michal Piotrowski wrote: >>>>> >>>>> >>>>>>> Also, it'd be helpful if you compare >>>>>>> /proc/asound/card0/codec97#0/ac97#0-0+regs file before and after the >>>>>>> patch. This reveals which register bits differ actually. >>>>>>> >>>>>>> >>>>>> a2.txt is form 2.6.21-rc3 witchout 831466f4ad2b5fe23dff77edbe6a7c244435e973 >>>>>> >>>>>> diff -uprN a2.txt /proc/asound/card0/codec97#0/ac97#0-0+regs >>>>>> --- a2.txt 2007-03-08 16:36:47.000000000 +0100 >>>>>> +++ /proc/asound/card0/codec97#0/ac97#0-0+regs 2007-03-08 16:36:49.447083597 +0100 >>>>>> @@ -56,8 +56,8 @@ >>>>>> 0:6e = 0000 >>>>>> 0:70 = 0000 >>>>>> 0:72 = 0004 >>>>>> -0:74 = 1001 >>>>>> -0:76 = 64a4 >>>>>> +0:74 = 1201 >>>>>> +0:76 = 7ca4 >>>>>> 0:78 = 000c >>>>>> 0:7a = 0000 >>>>>> 0:7c = 4144 >>>>>> >>>>>> >>>>> OK, some wrong bits there. Could you try the patch below? >>>>> >>>>> >>>> Problem fixed. Thanks! >>>> >>>> (speaker-test -c6 -Dplug:surround51 is still broken) >>>> >>>> >>> Hm, how about turning off "Spread Front To..." control and run >>> speaker-test? >>> >>> >>> Takashi >>> >>> >>> >>> >> Michal and Takashi, >> >> I've been researching your issue this morning. I just noticed that your >> exchange had ensued. >> >> I configured my AD1986-based system as closely as I could to match your >> AD1985 mixer settings. In doing so, I experienced results similar to >> what I'm assuming you described: Only front channel sound came out of >> the surround and c/lfe jacks. >> >> Here is what I had to change to get the appropriate multichannel sound: >> >> 1) The command "speaker-test -c6" does not work on my system. I have to >> use "speaker-test -Dsurround51 -c6" (Perhaps this is related to running >> an old version of speaker-test.) >> >> 2) I disabled "Spread Front to Surround and Center/LFE" >> >> The explanation for 2) is this: There can be only one source for each >> of the Surround and Center/LFE jacks active at one time. When "Spread >> Front to Surround and Center/LFE" is disabled, the surround channels go >> to the the jacks; when this control is enabled, ONLY the front channels >> go to the surround and c/lfe jacks. >> >> Considering the register values Michal provided and Takashi's patch: >> >> The logic of the code is as follows: (Slightly simplifying,) functions >> is_shared_linein() and is_shared_micin() return TRUE if the mixer is >> configured for shared jacks AND NOT for 6 channel mode. In this case it >> is appropriate to >> set these bits (LODIS and CLDIS). >> > > Yep. So, can you confirm that my fix is OK? > Then I'll queue it up to ALSA tree. > > > thanks, > > Takashi > > > Takashi, I need to think this through before I can confirm. Something doesn't seem right. Let me figure out why I wrote ad1986_update_jacks() to be so different from ad1888_update_jacks(). I'll keep you posted. Randy Cushman ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
