---
name: "i2c_smbus_process_call"
section: "9"
platform: "linux"
package: "linux-manual-3.2"
version: "3.2.78-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/i2c_smbus_process_call"
---

# i2c\_smbus\_process\_call(9)

SMBus “process call” protocol

## NAME

i2c\_smbus\_process\_call - SMBus “process call” protocol

## SYNOPSIS

**s32 i2c\_smbus\_process\_call(const struct i2c\_client \*** *client***, u8** *command***, u16** *value***);**

## ARGUMENTS

*client*

Handle to slave device

*command*

Byte interpreted by slave

*value*

16-bit “word” being written

## DESCRIPTION

This executes the SMBus “process call” protocol, returning negative errno else a 16-bit unsigned “word” received from the device.

## COPYRIGHT