OV7660_COM8
err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
err = m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
err = m5602_read_sensor(sd, OV7660_COM8, &i2c_data, 1);
return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
{SENSOR, OV7660_COM8, 0x00},