Re: Re: hdspmixer issues

[Takashi Iwai <tiwai@suse.de>]

At Mon, 20 Sep 2004 21:09:18 +0100 (BST),
Iain Kennedy wrote:
> 
> > > I"ve been messing with hdsp (again :-) and found out that my hdspmixer
> > > has very oddly behaving sound meters. While the input (2nd row)
> > > appears to be more or less ok (the yellow peak things kind of fly all
> > > over the place and often drop off below green lines or even completely
> > > dissapear), the analog outputs as well as combined monitoring output
> > > (front 1/4" phono jack on the multiface) only occassionally spike with
> > > a line input (usually only one channel). I am wondering why this is so
> > > since the audio is definitely working ok, but the monitoring of the
> > > outputs simply isn"t working (at least not visually).
> >
> > i"ve been experiencing similar spikes on the analog outputs as ico
> > described. since we had a somehow similar problem with screwed up pci
> > cycles that was caused by incorrect initialisation of the cardbus briges
> > on our machines, i somehow doubt that it"s related to the problem we
> > had.
> 
> > cheers...
> 
> I've been experiencing lack of/sporadic metering on hdspmixer too..
> I'm running Debian testing with kernel 2.6.8 (same effect with 2.6.3),
> with both the debian alsa packages and a locally compiled latest alsa
> version...
> 
> I had no such problem using 2.4.xx series kernels, although I was using a
> pre-1.06 version of the alsa drivers..

Are you using ppc?  I found a bug in hdsp driver that it doesn't
handle big-endian correctly in the metering mmap.
Could you try the CVS version?


Takashi


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