General code and comment cleanup

include/relay_chn_adapter.h

@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: 2025 Kozmotronik Tech
  *
  * SPDX-License-Identifier: MIT
- * 
+ *
  * An adapter header to expose the appropriate API functions to the public API
  * depending on the CONFIG_RELAY_CHN_COUNT value which determines single or multi mode.
  */
@@ -15,7 +15,7 @@ extern "C" {
 
 /**
  * @brief Register a channel state change listener.
- * 
+ *
  * @param listener A function that implements relay_chn_state_listener_t interface.
  *
  * @return
@@ -28,7 +28,7 @@ extern esp_err_t relay_chn_notify_add_listener(relay_chn_state_listener_t listen
 
 /**
  * @brief Unregister a channel state change listener.
- * 
+ *
  * @param listener A function that implements relay_chn_state_listener_t interface.
  */
 extern void relay_chn_notify_remove_listener(relay_chn_state_listener_t listener);
@@ -60,7 +60,7 @@ extern relay_chn_state_t relay_chn_ctl_get_state(uint8_t chn_id);
  * to hold `CONFIG_RELAY_CHN_COUNT` elements.
  *
  * @param states Pointer to an array where the states will be stored.
- * 
+ *
  * @return ESP_OK on success, ESP_ERR_INVALID_ARG if `states` is NULL.
  */
 extern esp_err_t relay_chn_ctl_get_state_all(relay_chn_state_t *states);
@@ -127,7 +127,7 @@ extern void relay_chn_ctl_flip_direction(uint8_t chn_id);
 /**
  * @brief Flips the logical direction of all configured relay channels.
  *
- * This function iterates through all configured relay channels and swaps the 
+ * This function iterates through all configured relay channels and swaps the
  * physical GPIO pins assigned to the forward and reverse directions for each.
  */
 extern void relay_chn_ctl_flip_direction_all(void);
@@ -222,7 +222,7 @@ static inline esp_err_t relay_chn_get_direction_all(relay_chn_direction_t *direc
  * @brief Get the run limit for the specified channel
  *
  * @param chn_id The ID of the relay channel to query.
- * 
+ *
  * @return The run limit value for the relevant channel if the channel ID is valid.
  *         0 if the channel ID is invalid.
  */
@@ -380,7 +380,7 @@ static inline relay_chn_direction_t relay_chn_get_direction(void)
 #if CONFIG_RELAY_CHN_ENABLE_RUN_LIMIT
 /**
  * @brief Get the run limit for the channel
- * 
+ *
  * @return The run limit value for the channel.
  */
 extern uint16_t relay_chn_ctl_get_run_limit(void);