suse man page for i2c_smbus_xfer

I2C_SMBUS_XFER(9)					      I2C and SMBus Subsystem						 I2C_SMBUS_XFER(9)

NAME
       i2c_smbus_xfer - execute SMBus protocol operations

SYNOPSIS
       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);

ARGUMENTS
       adapter
	   Handle to I2C bus

       addr
	   Address of SMBus slave on that bus

       flags
	   I2C_CLIENT_* flags (usually zero or I2C_CLIENT_PEC)

       read_write
	   I2C_SMBUS_READ or I2C_SMBUS_WRITE

       command
	   Byte interpreted by slave, for protocols which use such bytes

       protocol
	   SMBus protocol operation to execute, such as I2C_SMBUS_PROC_CALL

       data
	   Data to be read or written

DESCRIPTION
       This executes an SMBus protocol operation, and returns a negative errno code else zero on success.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010							 I2C_SMBUS_XFER(9)