At Thu, 07 Aug 2008 13:51:55 -0500, Timur Tabi wrote: > > In my _pointer callback function, I have this: > > printk(KERN_INFO "%s:%u substream->pcm->dev=%p, substream->pcm->card->dev=%p\n", > __func__, __LINE__, substream->pcm->dev, substream->pcm->card->dev); > > During playback, it displays this: > > fsl_dma_pointer:698 substream->pcm->dev=00000000, substream->pcm->card->dev=dfa50a08 > > Why is substream->pcm->dev == NULL? What's the point of having this field if > you're not going to use it? It's provided to use a different device for PCM than card->dev. An example is found in AOA drivers. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
