1I2C_SMBUS_WRITE_BYTE(9) I2C and SMBus Subsystem I2C_SMBUS_WRITE_BYTE(9)
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6 i2c_smbus_write_byte_data - SMBus “write byte” protocol
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9 s32 i2c_smbus_write_byte_data(const struct i2c_client * client,
10 u8 command, u8 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 Byte being written
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23 This executes the SMBus “write byte” protocol, returning negative errno
24 else zero on success.
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27Kernel Hackers Manual 3.10 June 2019 I2C_SMBUS_WRITE_BYTE(9)