s3c24xx_i2c_stop
s3c24xx_i2c_stop(i2c, -ENXIO);
s3c24xx_i2c_stop(i2c, 0);
s3c24xx_i2c_stop(i2c, -ECONNREFUSED);
s3c24xx_i2c_stop(i2c, -EINVAL);
s3c24xx_i2c_stop(i2c, 0);
s3c24xx_i2c_stop(i2c, 0);