[pulseaudio-discuss] Changes to deal with modem PCMs

[Mark Brown]

On Mon, Jul 23, 2012 at 03:05:25PM -0500, Pierre-Louis Bossart wrote:

> somehow the information should be available at the ALSA level that
> such devices do not provide/expect any data and should not be
> suspended. This information is available at the kernel level (no_pcm
> flag or something), it should be made available to user-space.

That solution is at the wrong level - presenting the PCM in the first
place is a problem, that was just a hack done ages ago.  Having to hold
this dummy stream open isn't particularly pleasant from a userspace
point of view or integrated from a kernel point of view.