ts the transfer on Read/Write channels. </p>
<p>Both channels must have been configured before this call is made</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">XVprocSsPtr</td><td>is the pointer to the VPSS instance.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>XST_SUCCESS if the setup is successful, XST_FAILURE otherwise.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>Currently the return value is ignored at su