diff options
| -rw-r--r-- | src/libcamera/device_enumerator.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libcamera/device_enumerator.cpp b/src/libcamera/device_enumerator.cpp index fcf71af6..8100972a 100644 --- a/src/libcamera/device_enumerator.cpp +++ b/src/libcamera/device_enumerator.cpp @@ -54,6 +54,17 @@ LOG_DEFINE_CATEGORY(DeviceEnumerator) * * The description is meant to be filled by pipeline managers and passed to a * device enumerator to find matching media devices. + * + * A DeviceMatch is created with a specific Linux device driver in mind, + * therefore the name of the driver is a required property. One or more Entity + * names can be added as match criteria. + * + * Pipeline handlers are recommended to add entities to DeviceMatch as + * appropriare to ensure that the media device they need can be uniquely + * identified. This is useful when the corresponding kernel driver can produce + * different graphs, for instance as a result of different driver versions or + * hardware configurations, and not all those graphs are suitable for a pipeline + * handler. */ /** |