core: infrastructure for alternate sampling rate

New parameter to avoid resampling. BIG power savings here...

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
This commit is contained in:
Pierre-Louis Bossart 2011-08-02 18:37:27 -05:00 committed by Arun Raghavan
parent 31a9f195fa
commit 5bcfd2b630
9 changed files with 97 additions and 2 deletions

View file

@ -414,6 +414,15 @@ USA.
<p><opt>default-channel-map</opt> The default channel map.</p>
</option>
<option>
<p><opt>alternate-sample-rate</opt> The alternate sample
frequency. Sinks and sources will use either the
default-rate-rate value or this alternate value, typically 44.1
or 48kHz. Switching between default and alternate values is
enabled only when the sinks/sources are suspended. This option
is ignored in passthrough mode where the stream rate will be used.</p>
</option>
</section>
<section name="Default Fragment Settings">