1I2C_SMBUS_PROCESS_CA(9) I2C and SMBus Subsystem I2C_SMBUS_PROCESS_CA(9)
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6 i2c_smbus_process_call - SMBus “process call” protocol
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9 s32 i2c_smbus_process_call(struct i2c_client * client, u8 command,
10 u16 value);
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13 client
14 Handle to slave device
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16 command
17 Byte interpreted by slave
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19 value
20 16-bit “word” being written
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23 This executes the SMBus “process call” protocol, returning negative
24 errno else a 16-bit unsigned “word” received from the device.
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27Kernel Hackers Manual 2.6. November 2011 I2C_SMBUS_PROCESS_CA(9)