[PATCH 1/4] libcamera: controls: Populate direction field in control definitions

[Paul Elder]

In preparation for adding support for querying direction information
from controls, populate the corresponding field in the control ID
defintions.

Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
---
 src/libcamera/control_ids_core.yaml  | 12 ++++++++++++
 src/libcamera/control_ids_draft.yaml |  7 +++++++
 2 files changed, 19 insertions(+)

diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml
index d34a2d068b60..c0e91d1852cd 100644
--- a/src/libcamera/control_ids_core.yaml
+++ b/src/libcamera/control_ids_core.yaml
@@ -17,6 +17,7 @@ controls:
 
   - AeLocked:
       type: bool
+      direction: out
       description: |
         Report the lock status of a running AE algorithm.
 
@@ -236,6 +237,7 @@ controls:
 
   - AeFlickerDetected:
       type: int32_t
+      direction: out
       description: |
         Flicker period detected in microseconds.
 
@@ -274,6 +276,7 @@ controls:
 
   - Lux:
       type: float
+      direction: out
       description: |
         Report an estimate of the current illuminance level in lux.
 
@@ -324,6 +327,7 @@ controls:
 
   - AwbLocked:
       type: bool
+      direction: out
       description: |
         Report the lock status of a running AWB algorithm.
 
@@ -361,6 +365,7 @@ controls:
 
   - SensorBlackLevels:
       type: int32_t
+      direction: out
       description: |
         Reports the sensor black levels used for processing a frame.
 
@@ -385,6 +390,7 @@ controls:
 
   - FocusFoM:
       type: int32_t
+      direction: out
       description: |
         Reports a Figure of Merit (FoM) to indicate how in-focus the frame is.
 
@@ -442,6 +448,7 @@ controls:
 
   - FrameDuration:
       type: int64_t
+      direction: out
       description: |
         The instantaneous frame duration from start of frame exposure to start
         of next exposure, expressed in microseconds.
@@ -450,6 +457,7 @@ controls:
 
   - FrameDurationLimits:
       type: int64_t
+      direction: in
       description: |
         The minimum and maximum (in that order) frame duration, expressed in
         microseconds.
@@ -487,6 +495,7 @@ controls:
 
   - SensorTemperature:
       type: float
+      direction: out
       description: |
         Temperature measure from the camera sensor in Celsius.
 
@@ -499,6 +508,7 @@ controls:
 
   - SensorTimestamp:
       type: int64_t
+      direction: out
       description: |
         The time when the first row of the image sensor active array is exposed.
 
@@ -667,6 +677,7 @@ controls:
 
   - AfTrigger:
       type: int32_t
+      direction: in
       description: |
         Start an autofocus scan.
 
@@ -692,6 +703,7 @@ controls:
 
   - AfPause:
       type: int32_t
+      direction: in
       description: |
         Pause lens movements when in continuous autofocus mode.
 
diff --git a/src/libcamera/control_ids_draft.yaml b/src/libcamera/control_ids_draft.yaml
index 1b284257f601..59aa6141c25c 100644
--- a/src/libcamera/control_ids_draft.yaml
+++ b/src/libcamera/control_ids_draft.yaml
@@ -79,6 +79,7 @@ controls:
 
   - AeState:
       type: int32_t
+      direction: out
       description: |
        Control to report the current AE algorithm state. Currently identical to
        ANDROID_CONTROL_AE_STATE.
@@ -108,6 +109,7 @@ controls:
 
   - AwbState:
       type: int32_t
+      direction: out
       description: |
        Control to report the current AWB algorithm state. Currently identical
        to ANDROID_CONTROL_AWB_STATE.
@@ -129,6 +131,7 @@ controls:
 
   - SensorRollingShutterSkew:
       type: int64_t
+      direction: out
       description: |
        Control to report the time between the start of exposure of the first
        row and the start of exposure of the last row. Currently identical to
@@ -262,6 +265,7 @@ controls:
 
   - FaceDetectFaceRectangles:
       type: Rectangle
+      direction: out
       description: |
         Boundary rectangles of the detected faces. The number of values is
         the number of detected faces.
@@ -273,6 +277,7 @@ controls:
 
   - FaceDetectFaceScores:
       type: uint8_t
+      direction: out
       description: |
         Confidence score of each of the detected faces. The range of score is
         [0, 100]. The number of values should be the number of faces reported
@@ -285,6 +290,7 @@ controls:
 
   - FaceDetectFaceLandmarks:
       type: Point
+      direction: out
       description: |
         Array of human face landmark coordinates in format [..., left_eye_i,
         right_eye_i, mouth_i, left_eye_i+1, ...], with i = index of face. The
@@ -298,6 +304,7 @@ controls:
 
   - FaceDetectFaceIds:
       type: int32_t
+      direction: out
       description: |
         Each detected face is given a unique ID that is valid for as long as the
         face is visible to the camera device. A face that leaves the field of
-- 
2.39.2