hsi_unregister_port_event
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## Name

hsi_unregister_port_event — Stop receiving port events for a client

## Synopsis

`int hsi_unregister_port_event (` | struct hsi_client * cl`)`;

## Arguments

`cl`

  HSI client that wants to stop receiving port events

## Description

Clients should call this function before releasing their associated port.

Returns -errno on error, or 0 on success.

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