At Wed, 02 Apr 2003 17:18:13 +0200 (CEST), Giuliano Pochini wrote: > > > On 02-Apr-2003 Takashi Iwai wrote: > >> > anyway, runtime->dma_area and runtime->dma_bytes MUST be filled > >> > manually IFF you don't use snd_pcm_lib_malloc_pages(). > >> > (dma_area won't be needed if the mmap is not supported and copy > >> > callback is defined, though.) > >> > >> I use snd_pcm_lib_malloc_pages(), dma is supported and no copy > >> callback is defined. > > > > did you call snd_pcm_lib_preallocate_xxx functions after snd_pcm_new() > > ? > > Yes, otherwise snd_pcm_lib_malloc_pages() fails and hw_params callback > exits with an error.
ok, then something overwrites the entry. how about to check runtime->dma_area at each callback? Takashi ------------------------------------------------------- This SF.net email is sponsored by: ValueWeb: Dedicated Hosting for just $79/mo with 500 GB of bandwidth! No other company gives more support or power for your dedicated server http://click.atdmt.com/AFF/go/sdnxxaff00300020aff/direct/01/ _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
