On Wed, 3 Mar 2004, Gupta, Kshitij wrote:
> hi,
> Can someone please explain me what is the difference between
> runtime->dma_addr and runtime->dma_area
>
> where runtime = substream->runtime
>
> I am getting a very strange problem where I am getting a rumtime->dma_addr
> value as 0 while runtime->dma_area is a proper value.
> Any hints will be helpful
dma_area is virtual address (visible from the CPU view)
dma_addr is the physical bus address (visible from the hardware)
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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