[alsa-devel] [PATCH 0/9] Misc fixes related to rewinds

[Raymond Yau]

>
> Note: this series touches pcm_dmix.c, but does not make it rewindable. In
> other words, a variant of the test in [2] now produces a tone instead of
> failing due to snd_pcm_rewind() returning 0. But it should ideally produce
> silence. Obviously, there is some bug left that I have not pinpointed yet.
>

It is better to let dmix not support rewind and force your rewind program
to fail

You rewind program should not affect the other application playing through
dmix