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-rw-r--r--src/libcamera/device_enumerator_udev.cpp28
-rw-r--r--src/libcamera/include/device_enumerator_udev.h2
2 files changed, 13 insertions, 17 deletions
diff --git a/src/libcamera/device_enumerator_udev.cpp b/src/libcamera/device_enumerator_udev.cpp
index e5535054..ea3f6b7c 100644
--- a/src/libcamera/device_enumerator_udev.cpp
+++ b/src/libcamera/device_enumerator_udev.cpp
@@ -81,7 +81,8 @@ int DeviceEnumeratorUdev::addUdevDevice(struct udev_device *dev)
if (!media)
return -ENODEV;
- int ret = populateMediaDevice(media);
+ DependencyMap deps;
+ int ret = populateMediaDevice(media.get(), &deps);
if (ret < 0) {
LOG(DeviceEnumerator, Warning)
<< "Failed to populate media device "
@@ -90,10 +91,16 @@ int DeviceEnumeratorUdev::addUdevDevice(struct udev_device *dev)
return ret;
}
- if (ret) {
+ if (!deps.empty()) {
LOG(DeviceEnumerator, Debug)
<< "Defer media device " << media->deviceNode()
<< " due to " << ret << " missing dependencies";
+
+ pending_.emplace_back(media, deps);
+ MediaDeviceDeps *mediaDeps = &pending_.back();
+ for (const auto &dep : mediaDeps->deps_)
+ devMap_[dep.first] = mediaDeps;
+
return 0;
}
@@ -185,10 +192,9 @@ done:
return 0;
}
-int DeviceEnumeratorUdev::populateMediaDevice(const std::shared_ptr<MediaDevice> &media)
+int DeviceEnumeratorUdev::populateMediaDevice(MediaDevice *media, DependencyMap *deps)
{
std::set<dev_t> children;
- DependencyMap deps;
/* Associate entities to device node paths. */
for (MediaEntity *entity : media->entities()) {
@@ -203,7 +209,7 @@ int DeviceEnumeratorUdev::populateMediaDevice(const std::shared_ptr<MediaDevice>
* dependencies.
*/
if (orphans_.find(devnum) == orphans_.end()) {
- deps[devnum].push_back(entity);
+ (*deps)[devnum].push_back(entity);
continue;
}
@@ -231,17 +237,7 @@ int DeviceEnumeratorUdev::populateMediaDevice(const std::shared_ptr<MediaDevice>
++it;
}
- /*
- * If the media device has unmet dependencies, add it to the pending
- * list and update the devnum map accordingly.
- */
- if (!deps.empty()) {
- pending_.emplace_back(media, deps);
- for (const auto &dep : deps)
- devMap_[dep.first] = &pending_.back();
- }
-
- return deps.size();
+ return 0;
}
/**
diff --git a/src/libcamera/include/device_enumerator_udev.h b/src/libcamera/include/device_enumerator_udev.h
index 6d826862..efaefe5d 100644
--- a/src/libcamera/include/device_enumerator_udev.h
+++ b/src/libcamera/include/device_enumerator_udev.h
@@ -63,7 +63,7 @@ private:
std::map<dev_t, MediaDeviceDeps *> devMap_;
int addUdevDevice(struct udev_device *dev);
- int populateMediaDevice(const std::shared_ptr<MediaDevice> &media);
+ int populateMediaDevice(MediaDevice *media, DependencyMap *deps);
std::string lookupDeviceNode(dev_t devnum);
int addV4L2Device(dev_t devnum);