---
title: kIOAudioToggleControlSubTypePhaseInvert
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646407-anonymous/kioaudiotogglecontrolsubtypephaseinvert
---

# kIOAudioToggleControlSubTypePhaseInvert

## Declaration

```occ
kIOAudioToggleControlSubTypePhaseInvert = 'phsi'
```