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 ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel