- err = i2c_start(I2C_ADDR_WRITE); if (err) goto out;
- err = i2c_write(IODIRA); if (err) goto out;
- err = i2c_write(0b00000000); if (err) goto out;
- err = i2c_write(0b00111111); if (err) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;