i2c_smbus_write_word_data (9)

s32 i2c_smbus_write_word_data(const struct i2c_client * client, u8 command, u16 value);

client

Handle to slave device

command

Byte interpreted by slave

value

16-bit “word” being written

This executes the SMBus “write word” protocol, returning negative errno else zero on success.