Finaly, using the Last CVS code (1st June), I was able to make it work ! thanks everybody,
David Le Sun, 5 May 2002 01:34:56 +0200 Sundance <[EMAIL PROTECTED]> a écrit: > You wrote: > > >> [Summary: ALSA doesn't work with the VIA VT8233A chipset, found on > >> some KT333-based motherboards] > > > > I have this board and I get the same problem. > > It uses a Realtek chipset for the sound (ALC 650) that is not listed in the > > ac97_codec.c file. > > Thank you. :) By investigating further I actually discovered that. > Actually, based on this: > http://www.linuxhq.com/kernel/v2.4/unofficial/patch200202/44.html > adding ALC 650 awareness to ALSA 0.9.0rc1 isn't too hard, theorically: just > patch alsa-kernel/pci/ac97/ac97_codec.c with the following: > > --------------------------------------------------------------------------- > --- alsa-kernel/pci/ac97/ac97_codec.c.old Sat May 4 04:27:30 2002 > +++ alsa-kernel/pci/ac97/ac97_codec.c Sat May 4 04:33:49 2002 > @@ -108,6 +108,7 @@ > { 0x414c4310, 0xfffffff0, "RL5382", NULL }, > { 0x414c4320, 0xfffffff0, "RL5383", NULL }, > { 0x414c4710, 0xffffffff, "ALC200/200P", NULL }, > +{ 0x414c4720, 0xfffffff0, "ALC650", NULL }, > { 0x43525900, 0xfffffff8, "CS4297", NULL }, > { 0x43525910, 0xfffffff8, "CS4297A", NULL }, > { 0x42525920, 0xfffffff8, "CS4294/4298", NULL }, > --------------------------------------------------------------------------- > > That's in theory anyway. > The bad news is that... in practice it's not sufficient to get it to work. > Oh well. > More precisely, the system still freezes if I modprobe snd-via8233 from > runlevel 4 with the desktop environment running. It still works when I > modprobe at runlevel 1, but the sound still doesn't work -- in a different > way now. ALSA software actually /can/ open the sound device now, but when > it tries to write to it, I get an I/O error. > > > I also try the drivers provided by realtek (based on Alsa 0.5.10) and they > > do not work too. > > ftp://ftp.realtek.com.tw/sound/ac97codec/linux/linux.zip > > I'll give them a look. Thanks. :) > Maybe by fiddling with them and ALSA 0.9.0rc1 I can get the whole thing to > work (yeah, well, I can dream, can't I? :)). > From the look of those sources there is some register pokepoking to do when > writing to an ALC 650 chipset. I'll try just that. > > CC'ed to alsa-devel, since it's kinda devel-relevant now. > (The original message, for the sake of alsa-devel's readers, can be found > here: > http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg03164.html) > > -- S. > > _______________________________________________________________ > > Don't miss the 2002 Sprint PCS Application Developer's Conference > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm > > _______________________________________________ > Alsa-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/alsa-user _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user