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SubjectRe: Reversed Stereo in 2.1.x
Date
> I have a little progress. I could reproduce the problem with
> memory mapped stereo sound using a SoundBlaster-16 card. Channels
> are not reversed with my 82C931 based card, or when I use normal
> write() system call (ie, using vplay -S). I do not have access to
> other sound cards.

Ok. This seems to be something we acquired from Hannu rather than
modularising. I will dig a bit on this.

> Linux 2.1.90 introduced a new problem WRT mmapped audio output. It
> produces clicks (estimated on every 4KB = frag size) where output was
> smooth in 2.1.89. I suspect some changes in dmabuf.c are responsible
> for that.

No clicks here with write. I'll test mmap tomorrow


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