---
title: kIOAudioInputPortSubTypeLine
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646418-anonymous/kioaudioinputportsubtypeline
---

# kIOAudioInputPortSubTypeLine

## Declaration

```occ
kIOAudioInputPortSubTypeLine = 'line'
```