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 4.8.                 January 2017                         I2C_SMBUS_XFER(9)