//*****************************************************************************
//
//! This function forwards an LPM request for a device to enter L1 sleep state.
//!
//! \param psHubInstance is the hub device instance that was returned
//! from the call to USBHHubOpen().
//!
//! This function forwards a request from an application to the hub device
//! class to request that a device enter the LPM L1 sleep state. The
//! caller must check the return value to see if the request can be
//! attempted at this time. If another LPM transaction is busy on this or
//! another device, then this function returns \b USBHCD_LPM_PENDING. If
//! the LPM request was scheduled to be sent the function returns
//! \b USBHCD_LPM_AVAIL. The caller should check the USBHCDLPMStatus()
//! function to determine if the request completed successfully or if there
//! was an error.
//!
//! \return This function returns the following values:
//! - \b USBHCD_LPM_AVAIL - The transition to L1 state is scheduled to be sent.
//! - \b USBHCD_LPM_PENDING - There is already an LPM request pending.
//
//*****************************************************************************
uint32_t
USBHHubLPMSleep(tHubInstance *psHubInstance)
{
//
// Call the host controller function to send the sleep command.
//
return(USBHCDLPMSleep(psHubInstance->psDevice));
}
//*****************************************************************************
//
//! This function forwards an LPM request for a device to enter L1 sleep state.
//!
//! \param psHIDInstance is the HID instance that was returned from the call
//! to USBHHIDOpen().
//!
//! This function forwards a request from a HID device class to the host
//! controller to request that a device enter the LPM L1 sleep state. The
//! caller must check the return value to see if the request can be
//! attempted at this time. If another LPM transaction is busy on this or
//! another device, then this function returns \b USBHCD_LPM_PENDING. If
//! the LPM request was scheduled to be sent the function returns
//! \b USBHCD_LPM_AVAIL. The caller should check the USBHCDLPMStatus()
//! function to determine if the request completed successfully or if there
//! was an error.
//!
//! \return This function returns the following values:
//! - USBHCD_LPM_AVAIL - The transition to L1 state is scheduled to be sent.
//! - USBHCD_LPM_PENDING - There is already an LPM request pending.
//
//*****************************************************************************
uint32_t
USBHHIDLPMSleep(tHIDInstance *psHIDInstance)
{
//
// Forward the request to the control endpoint of the device.
//
return(USBHCDLPMSleep(psHIDInstance->psDevice));
}
