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-rw-r--r--src/libcamera/controls.cpp15
1 files changed, 4 insertions, 11 deletions
diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp
index 39c29488..bc3db4f6 100644
--- a/src/libcamera/controls.cpp
+++ b/src/libcamera/controls.cpp
@@ -933,17 +933,6 @@ void ControlList::merge(const ControlList &source)
/**
* \brief Check if the list contains a control with the specified \a id
- * \param[in] id The control ID
- *
- * \return True if the list contains a matching control, false otherwise
- */
-bool ControlList::contains(const ControlId &id) const
-{
- return controls_.find(id.id()) != controls_.end();
-}
-
-/**
- * \brief Check if the list contains a control with the specified \a id
* \param[in] id The control numerical ID
*
* \return True if the list contains a matching control, false otherwise
@@ -958,6 +947,10 @@ bool ControlList::contains(unsigned int id) const
* \brief Get the value of control \a ctrl
* \param[in] ctrl The control
*
+ * Beside getting the value of a control, this function can also be used to
+ * check if a control is present in the ControlList by converting the returned
+ * std::optional<T> to bool (or calling its has_value() function).
+ *
* \return A std::optional<T> containing the control value, or std::nullopt if
* the control \a ctrl is not present in the list
*/