[PATCH v3] Documentation: media: *_DEFAULT targets for subdevs

Ricardo Ribalda Delgado
2019-10-25T08:56:26Z

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.

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
---
Documentation/media/uapi/v4l/v4l2-selection-targets.rst | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
index f74f239b0510..a69571308a45 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
@@ -60,8 +62,8 @@ of the two interfaces they are used.
* - ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
- 0x0101
- Suggested composition rectangle that covers the "whole picture".
- - Yes
- No
+ - Yes
* - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
- 0x0102
- Bounds of the compose rectangle. All valid compose rectangles fit
--
2.23.0