VCNL4010_ISR
ret = i2c_smbus_read_byte_data(data->client, VCNL4010_ISR);
i2c_smbus_write_byte_data(data->client, VCNL4010_ISR,
ret = i2c_smbus_read_byte_data(data->client, VCNL4010_ISR);
ret = i2c_smbus_write_byte_data(data->client, VCNL4010_ISR,