As a third parameter, add the number of samples to read/write in
every iteration. This will help slow CPUs.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This reverts commit 1569601864.
Rethinking this, it makes more sense to not add this to the check
framework. This is mostly useful for exposing ALSA driver issues, and
it's handy to be able to build this as a standalone executable.
