1. NAME▲

i2c_smbus_xfer - execute SMBus protocol operations

2. 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 );

3. 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

4. DESCRIPTION ▲

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

5. COPYRIGHT ▲