'\" t
.\"     Title: i2c_smbus_xfer
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: I2C and SMBus Subsystem
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "I2C_SMBUS_XFER" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "I2C and SMBus Subsystem"
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.SH "NAME"
i2c_smbus_xfer \- execute SMBus protocol operations
.SH "SYNOPSIS"
.HP \w's32\ i2c_smbus_xfer('u
.BI "s32 i2c_smbus_xfer(struct\ i2c_adapter\ *\ " "adapter" ", u16\ " "addr" ", unsigned\ short\ " "flags" ", char\ " "read_write" ", u8\ " "command" ", int\ " "protocol" ", union\ i2c_smbus_data\ *\ " "data" ");"
.SH "ARGUMENTS"
.PP
\fIadapter\fR
.RS 4
Handle to I2C bus
.RE
.PP
\fIaddr\fR
.RS 4
Address of SMBus slave on that bus
.RE
.PP
\fIflags\fR
.RS 4
I2C_CLIENT_* flags (usually zero or I2C_CLIENT_PEC)
.RE
.PP
\fIread_write\fR
.RS 4
I2C_SMBUS_READ or I2C_SMBUS_WRITE
.RE
.PP
\fIcommand\fR
.RS 4
Byte interpreted by slave, for protocols which use such bytes
.RE
.PP
\fIprotocol\fR
.RS 4
SMBus protocol operation to execute, such as I2C_SMBUS_PROC_CALL
.RE
.PP
\fIdata\fR
.RS 4
Data to be read or written
.RE
.SH "DESCRIPTION"
.PP
This executes an SMBus protocol operation, and returns a negative errno code else zero on success\&.
.SH "COPYRIGHT"
.br