Re: [alsa-devel] [PATCH 11/20] OMAP: McBSP: Add link DMA mode selection

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On Wed, 2009-08-12 at 13:45 +0200, ext Jarkko Nikula wrote:
> 
> The threshold based transfer will cause that omap_pcm_pointer will
> loose a bit its accuracy. Probably irrelevant but still better to play
> safe at least over one kernel release before making it default.
> 

No, it doesn't loose accuracy =) It's as accurate with both modes.
The difference is, that the other does things in bursts;
that's called evolution rather than regression =) That's how
things will be in the future =)

> Return value prints from omap_pcm_pointer while playing
> "aplay -f dat /dev/zero"
> 
> element:
> 614
> 669
> 691
> 712
> 734
> 755
> 
> threshold:
> 512
> 512
> 512
> 1024
> 1024
> 1536
> 
> 

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