On Mon, 07 Nov 2016 16:29:29 +0100, Alan Young wrote:

Would it make sense for dshare, and other d-* plugins, to use a shared snd_atomic_write_t in the shared memory segment and associated snd_atomic_write_xxx() & snd_atomic_read_xxx() calls?

It's not recommended and not expected to work well always with DMA buffer. And above all, these calls were dropped in the recent alsa-lib.

Takashi