PorterDuff mode control are used to determine
how two images are combined.
Signed-off-by: Jacob Chen <jacob-chen@xxxxxxxxxx>
---
Documentation/media/uapi/v4l/extended-controls.rst | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
index abb1057..b713581 100644
--- a/Documentation/media/uapi/v4l/extended-controls.rst
+++ b/Documentation/media/uapi/v4l/extended-controls.rst
@@ -3021,6 +3021,11 @@ Image Process Control IDs
The video deinterlacing mode (such as Bob, Weave, ...). The menu items are
driver specific and are documented in :ref:`v4l-drivers`.
+``V4L2_CID_PORTER_DUFF_MODE (menu)``
+ The PorterDuff blend modes. PorterDuff is a method to overlay, combine and
+ trim images as if they were pieces of cardboard. The device uses this to
+ determine how two images are combined. For more information see
+ `PorterDuff.Mode <https://developer.android.com/reference/android/graphics/PorterDuff.Mode.html>`__.
.. _dv-controls:
--
2.7.4
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
