    <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>This function configures the VDMA RD/WR channel for down scale mode. </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>
    <tr><td class="paramname">updateCh</td><td>defines VDMA channel (RD/WR or RD+WR) to update</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns