This function is the host controller driver power-off handler.

void HcdPdd_PowerDown(
  DWORD dwDeviceContext 


  • dwDeviceContext
    [in] Pointer to the device context returned from the HcdPdd_Init function.

Return Values



This function executes when the system is turned off. This function must call the HcdMdd_PowerDown function to enable the MDD to save state information. Then, any processing specific to the platform, such as removing power from the host controller hardware, is performed. No system calls can be made from within this function.


OS Versions: Windows CE 1.0 and later.
Header: Ohcdddsi.h or Uhcdddsi.h.

See Also

HcdMdd_PowerDown | HcdPdd_Init | USB Drivers

 Last updated on Tuesday, May 18, 2004

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