1I2C_SMBUS_XFER(9)           I2C and SMBus Subsystem          I2C_SMBUS_XFER(9)
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NAME

6       i2c_smbus_xfer - execute SMBus protocol operations
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SYNOPSIS

9       s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr,
10                          unsigned short flags, char read_write, u8 command,
11                          int protocol, union i2c_smbus_data * data);
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ARGUMENTS

14       adapter
15           Handle to I2C bus
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17       addr
18           Address of SMBus slave on that bus
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20       flags
21           I2C_CLIENT_* flags (usually zero or I2C_CLIENT_PEC)
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23       read_write
24           I2C_SMBUS_READ or I2C_SMBUS_WRITE
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26       command
27           Byte interpreted by slave, for protocols which use such bytes
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29       protocol
30           SMBus protocol operation to execute, such as I2C_SMBUS_PROC_CALL
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32       data
33           Data to be read or written
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DESCRIPTION

36       This executes an SMBus protocol operation, and returns a negative errno
37       code else zero on success.
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40Kernel Hackers Manual 3.10         June 2019                 I2C_SMBUS_XFER(9)
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