Reference for unit 'i2c_dev': Constants

`I2C_FUNCS`
`I2C_FUNC_10BIT_ADDR`
`I2C_FUNC_I2C`
`I2C_FUNC_PROTOCOL_MANGLING`
`I2C_FUNC_SMBUS_BLOCK_DATA`
`I2C_FUNC_SMBUS_BLOCK_PROC_CALL`
`I2C_FUNC_SMBUS_BYTE`
`I2C_FUNC_SMBUS_BYTE_DATA`
`I2C_FUNC_SMBUS_HWPEC_CALC`
`I2C_FUNC_SMBUS_I2C_BLOCK`
`I2C_FUNC_SMBUS_PEC`
`I2C_FUNC_SMBUS_PROC_CALL`
`I2C_FUNC_SMBUS_QUICK`
`I2C_FUNC_SMBUS_READ_BLOCK_DATA`
`I2C_FUNC_SMBUS_READ_BYTE`
`I2C_FUNC_SMBUS_READ_BYTE_DATA`
`I2C_FUNC_SMBUS_READ_I2C_BLOCK`
`I2C_FUNC_SMBUS_READ_WORD_DATA`
`I2C_FUNC_SMBUS_WORD_DATA`
`I2C_FUNC_SMBUS_WRITE_BLOCK_DATA`
`I2C_FUNC_SMBUS_WRITE_BYTE`
`I2C_FUNC_SMBUS_WRITE_BYTE_DATA`
`I2C_FUNC_SMBUS_WRITE_I2C_BLOCK`
`I2C_FUNC_SMBUS_WRITE_WORD_DATA`
`I2C_M_IGNORE_NAK`
`I2C_M_NOSTART`
`I2C_M_NO_RD_ACK`
`I2C_M_RD`
`I2C_M_REV_DIR_ADDR`
`I2C_M_TEN`
`I2C_PEC`
`I2C_RDWR`
`I2C_RETRIES`
`I2C_SLAVE`
`I2C_SLAVE_FORCE`
`I2C_SMBUS`
`I2C_SMBUS_BLOCK_MAX`		Maximum block count for SMBus
`I2C_SMBUS_I2C_BLOCK_MAX`
`I2C_TENBIT`
`I2C_TIMEOUT`