At Wed, 5 Mar 2003 11:29:45 +0100, Jan Kr�mer wrote: > > Hi > First a Disclaimer, I have no clue of low-level or alsa development, and i am > only describing what I found by wildly experimenting... > > Thing is, I have the above mentioned Sound card and like to run Linux, today I > got fed up with not being able to use the SPDIF Out, and looked around the > source to find out why. > After a few hours of _unsuccessfully_ trying to understand what is going on > while initializing the sound card, it occured to me that the thing which is > wrong is the i2c address of the CS8427 chip, and i started to more or less > randomly change the address... > (first deleting the the > #if 0 // XXX not working... > and corrensponding > #endif > line at alsa-kernel/pci/ice1712/ews.h around line 448.) > > when I then changed the line (in alsa-kernel/pci/ice1712/ews.h) from > #define ICE1712_6FIRE_CS8427_ADDR (0x22>>1) > to > #define ICE1712_6FIRE_CS8427_ADDR (0x22) > I was kind of astonished, because I had a signal at the SPDIF-out, > again I have no idea why, but it is reproducible ;-)
thanks for your report. it's now enabled on the cvs. i totally forgot to fix this for long time :) > > I even managed to get AC3 passthrough using mplayer and the oss emulation > layer (using the command line: > mplayer -ao oss -ac hwac3 <name of file> > it did produce some message I did not understand: > Can't set audio device /dev/dsp to AC3 output, trying S16 > (but my decoder accepted the stream as AC3 anyways) you'll need to use alsa driver with mplayer. oss-emulation doesn't support ac3-passthru. > So if anyone with more skills and experience working with alsa-drivers could > verify this...and perhaps explain to me what I did in the first place ;-) > > O, btw. after compiling the 0.9.0rc8 (on my Suse 8.0 Pro) I got an unresolved > symbol (kmap_pagetable) error in snd-page-alloc.o while starting alsa > After searching on the internet i found the suggestion to include > <linux/highmem.h> which i did in alsa-kernel/include/memalloc.h after which > it compiled and installed without any problems...again I sadly have no real > understanding of either the problem or the solution, I can only tell you that > it works... it's fixed on cvs, too. Takashi ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user
