<p></p>
<p><b>@benpicco</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/16678#discussion_r689554396">drivers/include/lm75.h</a>:</p>
<pre style='color:#555'>> + * @param[in] dev                 device structure
+ * @param[out] temperature        buffer where HYST temperature value will be written
+ *
+ * @return LM75_SUCCESS, on success
+ * @return LM75_ERROR_I2C, on I2C related error
+ */
+int lm75_get_hyst_temp(lm75_t *dev, int *temperature);
+
+/**
+ * @brief Check the current state of the OS pin
+ *
+ * @param[in] dev      device structure
+ *
+ * @return LM75_SUCCESS, on success
+ * @return LM75_ERROR, on pin reading error
+ * @return LM75_I2C_ERROR, on I2C related error
</pre>
<p>How can reading a pin cause an I2C error?<br>
What does success mean in this context?</p>

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