At Thu, 24 Jun 2010 12:38:35 +0530, Adish Kuvelker wrote: > > Hello Takashi, > > I am developing a DMA Controller driver to service the PCM out data to > the Audio controller on the arm-based ATLASIII procesor. In case you > need any more information on the architecture I can pass. > > Since the DMA isn't on PCI bus I am pre-allocation continuous memero > using the "snd_pcm_lib_preallocate_pages_for_all" passing > SNDDRV_DMA_TYPE_DEV and "snd_dma_continuous_data" as appropriate > parameters. snd_dma_continuous_data() is only for SNDRV_DMA_TYPE_CONTINUOUS. In this case, the pages aren't for DMA. For SNDRV_DMA_TYPE_DEV, simply pass the device pointer you use. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
