[libcamera-devel] [PATCH v3 02/13] libcamera: controls: Add AeEnable

[Niklas Söderlund]

Add a control to turn Auto Exposure on or off.

Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
---
 include/libcamera/control_ids.h |  1 +
 src/libcamera/controls.cpp      | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/include/libcamera/control_ids.h b/include/libcamera/control_ids.h
index 75b6a2d5cafeca72..8cd44e571f705ac5 100644
--- a/include/libcamera/control_ids.h
+++ b/include/libcamera/control_ids.h
@@ -13,6 +13,7 @@
 namespace libcamera {
 
 enum ControlId {
+	AeEnable,
 	AwbEnable,
 	Brightness,
 	Contrast,
diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp
index 727fdbd9450d2f40..44cb09d9102d93f6 100644
--- a/src/libcamera/controls.cpp
+++ b/src/libcamera/controls.cpp
@@ -186,6 +186,13 @@ std::string ControlValue::toString() const
  * \brief Numerical control ID
  */
 
+/**
+ * \var AeEnable
+ * ControlType: Bool
+ *
+ * Enable or disable the auto-exposure algorithm. \sa ControlId::ManualExposure.
+ */
+
 /**
  * \var AwbEnable
  * ControlType: Bool
@@ -218,14 +225,20 @@ std::string ControlValue::toString() const
  * \var ManualExposure
  * ControlType: Integer
  *
- * Specify a fixed exposure time in milli-seconds
+ * Specify a fixed exposure time in milli-seconds.
+ *
+ * This control is only considered if AeEnable is not enabled. If present at
+ * at the same time as AeEnable the value will be ignored.
  */
 
 /**
  * \var ManualGain
  * ControlType: Integer
  *
- * Specify a fixed gain parameter
+ * Specify a fixed gain parameter.
+ *
+ * This control is only considered if AeEnable is not enabled. If present at
+ * at the same time as AeEnable the value will be ignored.
  */
 
 /**
-- 
2.23.0