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-rw-r--r--src/libcamera/camera_sensor.cpp23
1 files changed, 21 insertions, 2 deletions
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index c9e8d49b..8a1b9bd2 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -276,12 +276,13 @@ int CameraSensor::init()
int CameraSensor::validateSensorDriver()
{
+ int err = 0;
+
/*
* Optional controls are used to register optional sensor properties. If
* not present, some values will be defaulted.
*/
static constexpr uint32_t optionalControls[] = {
- V4L2_CID_CAMERA_ORIENTATION,
V4L2_CID_CAMERA_SENSOR_ROTATION,
};
@@ -294,6 +295,23 @@ int CameraSensor::validateSensorDriver()
}
/*
+ * Recommended controls are similar to optional controls, but will
+ * become mandatory in the near future. Be loud if they're missing.
+ */
+ static constexpr uint32_t recommendedControls[] = {
+ V4L2_CID_CAMERA_ORIENTATION,
+ };
+
+ for (uint32_t ctrl : recommendedControls) {
+ if (!controls.count(ctrl)) {
+ LOG(CameraSensor, Warning)
+ << "Recommended V4L2 control " << utils::hex(ctrl)
+ << " not supported";
+ err = -EINVAL;
+ }
+ }
+
+ /*
* Make sure the required selection targets are supported.
*
* Failures in reading any of the targets are not deemed to be fatal,
@@ -303,7 +321,6 @@ int CameraSensor::validateSensorDriver()
* \todo Make support for selection targets mandatory as soon as all
* test platforms have been updated.
*/
- int err = 0;
Rectangle rect;
int ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_BOUNDS, &rect);
if (ret) {
@@ -446,6 +463,8 @@ int CameraSensor::initProperties()
break;
}
} else {
+ LOG(CameraSensor, Warning)
+ << "Failed to retrieve the camera location, setting to External";
propertyValue = properties::CameraLocationExternal;
}
properties_.set(properties::Location, propertyValue);