1 files changed, 4 insertions, 0 deletions
diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h
index 2a665712..4b2e7e9c 100644
--- a/include/libcamera/controls.h
+++ b/include/libcamera/controls.h
@@ -115,6 +115,7 @@ public:
 	bool isArray() const { return isArray_; }
 	std::size_t numElements() const { return numElements_; }
 	Span<const uint8_t> data() const;
+	Span<uint8_t> data();
 
 	std::string toString() const;
 
@@ -174,6 +175,9 @@ public:
 		    value.data(), value.size(), sizeof(typename T::value_type));
 	}
 
+	void reserve(ControlType type, bool isArray = false,
+		     std::size_t numElements = 1);
+
 private:
 	ControlType type_ : 8;
 	bool isArray_;