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-rw-r--r--Documentation/guides/ipa.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/guides/ipa.rst b/Documentation/guides/ipa.rst
index 6195b2b7..c612470f 100644
--- a/Documentation/guides/ipa.rst
+++ b/Documentation/guides/ipa.rst
@@ -166,6 +166,12 @@ At a minimum, the following three functions must be present (and implemented):
All three of these functions are synchronous. The parameters for start() and
init() may be customized.
+init() initializes the IPA interface. It shall be called before any other
+function of the IPAInterface.
+
+stop() informs the IPA module that the camera is stopped. The IPA module shall
+release resources prepared in start().
+
A configure() method is recommended. Any ControlInfoMap instances that will be
used by the IPA must be sent to the IPA from the pipeline handler, at configure
time, for example.