Re: sound/quake in 2.1.126 and later

Alexander V. Lukyanov (lav@long.yar.ru)
Wed, 18 Nov 1998 23:31:11 +0300

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On Wed, Nov 18, 1998 at 05:03:48PM +0100, Andrea Arcangeli wrote:
> >not for playing? Also how to fix the problem with direct dma buffer acces
>
> The problem with quake probably is caused by the mmap handling. The sb
> code continue to use the full-duplex hack even if mmap is used.

But this is not correct. If output is requested to be 16-bit and mmap is
used for output, then 16-bit dma should be used for output. Same for input,
and mmap of input and output both in 16-bit mode or both in 8-bit mode
should give an error.

Is it possible to switch dma's on mmap?

Alexander.

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