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authorRicardo Ribalda Delgado <ribalda@kernel.org>2019-10-25 11:47:06 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2019-11-10 17:49:27 +0100
commit4edead77fa16ac4ec880ebceed83da2415401d18 (patch)
tree50e43f24685f89dc3841f6a27e62643e114a3e8c /Documentation/media
parentae02d49493b5d32bb3e035fdeb1655346f5e1ea5 (diff)
media: Documentation: media: *_DEFAULT targets for subdevs
Some sensors have optical blanking areas, this is, pixels that are painted and do not account for light, only noise. These special pixels are very useful for calibrating the sensor, but should not be displayed on a DEFAULT target. Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/media')
-rw-r--r--Documentation/media/uapi/v4l/v4l2-selection-targets.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
index f74f239b0510..aae0c0013eb1 100644
--- a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
+++ b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
@@ -38,8 +38,10 @@ of the two interfaces they are used.
* - ``V4L2_SEL_TGT_CROP_DEFAULT``
- 0x0001
- Suggested cropping rectangle that covers the "whole picture".
+ This includes only active pixels and excludes other non-active
+ pixels such as black pixels.
+ - Yes
- Yes
- - No
* - ``V4L2_SEL_TGT_CROP_BOUNDS``
- 0x0002
- Bounds of the crop rectangle. All valid crop rectangles fit inside