Rob Nertney wrote: > static struct snd_pcm_hardware my_pcm_hw = > { > .info = (SNDRV_PCM_INFO_MMAP | > SNDRV_PCM_INFO_BLOCK_TRANSFER | > SNDRV_PCM_INFO_MMAP_VALID), You must set one of INTERLEAVED, NONINTERLEAVED, or COMPLEX. (And a single channel should be marked interleaved.) Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel