Re: sb16 duplex fix

Andrea Arcangeli (andrea@e-mind.com)
Wed, 14 Oct 1998 17:17:30 +0200 (CEST)


On Wed, 14 Oct 1998, Andrea Arcangeli wrote:

>On Wed, 14 Oct 1998, Andrea Arcangeli wrote:
>
>>>in the sb module. I now consider the patch safe so I feel
>>>it's time for public release.
>>
>>The mmap case? I think you should cause mmap() to fail if used on the
>>real-time-bit-converted channel.
>
>I was wrong... I should read better your patch. Your patch doesn' t
>convert in real time the data to be used by the _free_ DMA channel.

Nono I was right (I printed you patch last night to read it tomorrow
morning, but I screwed up the printing so I have not read the whole
patch this morning... ;-).

And you don' t need to waste time to convert the data from signed to
unsigned (and the opposite) since the SB can handle that in hardware fine
(my sb full-duplex patch does that fine).

Andrea Arcangeli

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