---
title: kUSBPowerRequestWakeReallocate
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/usbpowerrequesttypes/kusbpowerrequestwakereallocate
---

# kUSBPowerRequestWakeReallocate

The system requests power reallocation upon waking.

## Declaration

```occ
kUSBPowerRequestWakeReallocate = 4
```

## Discussion

Discussion When you use this enumeration with ReturnExtraPower, it sends a message to all devices to return more wake power because some devices have released it.