1I2C_TRANSFER(9) I2C and SMBus Subsystem I2C_TRANSFER(9)
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6 i2c_transfer - execute a single or combined I2C message
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9 int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg * msgs,
10 int num);
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13 adap
14 Handle to I2C bus
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16 msgs
17 One or more messages to execute before STOP is issued to terminate
18 the operation; each message begins with a START.
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20 num
21 Number of messages to be executed.
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24 Returns negative errno, else the number of messages executed.
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26 Note that there is no requirement that each message be sent to the same
27 slave address, although that is the most common model.
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30Kernel Hackers Manual 2.6. June 2019 I2C_TRANSFER(9)