At 24 Mar 2003 10:40:03 -0500, Kristofer T. Karas <[EMAIL PROTECTED]> wrote: > > Hello Takashi, > > I upgrade my via-82xx driver from 0.9.0rc6 to 0.9.2 and found that the > sound quality patch (applied somewhere in the 0.9.0rc1 timeframe) seemed > to have been lost/reverted. Working backwards to find the point at > which things broke, it appears to be your kernel driver patch made in > mid December (between 0.9.0rc6 and 0.9.0rc7). I browsed alsa-devel and > alsa-users to see if this had been reported previously, but I have seen > little other than random bug-reports on alsa-user (most recently one > about "Noise"). > > Although the 8233 driver "functioned" throughout most of 0.9.0beta..., > sound quality was dreadful. The output seemed to be a combination of > being clipped and passed through a flanger. The beat frequency of the > "flanger" effect could be reduced to tolerable levels if the input > sampling frequency was set to 48KHz rather than 44.1 or whatever. > > Then, sometime in the 0.9.0rc1 timeframe (sorry, I don't remember just > which version) a patch to 8233 fixed the problem. That is, until > 0.9.0rc7. > > Since you're the submitter of the patch in question, I thought I'd send > this report your way...
could you try the attached patch? it might solve the problem if you mentioned about OSS applications. except for such a hidden bug, the difference between 0.9.0rc6 and rc7 is the use of the DSX channels as the first pcm device. if the above patch doesn't fix, please try to use hw:0,1 (for alsa native) or /dev/adsp (for oss) as the sound device. if the second pcm device works, then your chip model doesn't support DSX channels well. maybe it's better to put the module option to specify the chip model explicitly... Takashi
via-0.9.2-fix.dif
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