---
title: kIOUSBDeviceRequestDirectionValueIn
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbdevicerequestdirectionvalue/kiousbdevicerequestdirectionvaluein
---

# kIOUSBDeviceRequestDirectionValueIn

The input direction value.

## Declaration

```occ
kIOUSBDeviceRequestDirectionValueIn = 1
```