---
name: "i2o_block_device_power"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/i2o_block_device_power"
---

# i2o\_block\_device\_power(9)

Power management for device dev

## NAME

i2o\_block\_device\_power - Power management for device dev

## SYNOPSIS

**int i2o\_block\_device\_power(struct i2o\_block\_device \*** *dev***, u8** *op***);**

## ARGUMENTS

*dev*

I2O device which should receive the power management request

*op*

Operation to send

## DESCRIPTION

Send a power management request to the device dev.

Returns 0 on success or negative error code on failure.

## COPYRIGHT