diff --git a/Documentation/DocBook/media/v4l/selection-api.xml b/Documentation/DocBook/media/v4l/selection-api.xml
index 46cb47ab8e3b231624324fa625eb77ac85f9ea4b..2f0bdb4d5551b0373abc188a2a3f86fd60094223 100644
--- a/Documentation/DocBook/media/v4l/selection-api.xml
+++ b/Documentation/DocBook/media/v4l/selection-api.xml
@@ -84,9 +84,7 @@ configure the cropping targets before to the composing targets.
areas that can be sampled is given by the V4L2_SEL_TGT_CROP_BOUNDS
target. It is recommended for the driver developers to put the
top/left corner at position (0,0) . The rectangle's
-coordinates are expressed in driver dependant units, although the coordinate
-system guarantees that if sizes of the active cropping and the active composing
-rectangles are equal then no scaling is performed.
+coordinates are expressed in pixels.
The top left corner, width and height of the source rectangle, that is
the area actually sampled, is given by the V4L2_SEL_TGT_CROP_ACTIVE
@@ -103,10 +101,10 @@ not later.
The composing targets refer to a memory buffer. The limits of composing
coordinates are obtained using V4L2_SEL_TGT_COMPOSE_BOUNDS
-. All coordinates are expressed in natural unit for given formats.
-Pixels are highly recommended. The rectangle's top/left corner must be located
-at position (0,0) . The width and height are equal to the
-image size set by VIDIOC_S_FMT .
+. All coordinates are expressed in pixels. The rectangle's top/left
+corner must be located at position (0,0) . The width and
+height are equal to the image size set by VIDIOC_S_FMT .
+
The part of a buffer into which the image is inserted by the hardware is
controlled by the V4L2_SEL_TGT_COMPOSE_ACTIVE target.
@@ -145,10 +143,9 @@ the cropping targets.
The cropping targets refer to the memory buffer that contains an image to
be inserted into a video signal or graphical screen. The limits of cropping
coordinates are obtained using V4L2_SEL_TGT_CROP_BOUNDS .
-All coordinates are expressed in natural units for a given format. Pixels are
-highly recommended. The top/left corner is always point (0,0)
-. The width and height is equal to the image size specified using
- VIDIOC_S_FMT ioctl.
+All coordinates are expressed in pixels. The top/left corner is always point
+ (0,0) . The width and height is equal to the image size
+specified using VIDIOC_S_FMT ioctl.
The top left corner, width and height of the source rectangle, that is
the area from which image date are processed by the hardware, is given by the
@@ -163,13 +160,10 @@ limitations.
bounding rectangle.
The part of a video signal or graphics display where the image is
-inserted by the hardware is controlled by V4L2_SEL_TGT_COMPOSE_ACTIVE
- target. The rectangle's coordinates are expressed in driver
-dependant units. The only exception are digital outputs where the units are
-pixels. For other types of devices, the coordinate system guarantees that if
-sizes of the active cropping and the active composing rectangles are equal then
-no scaling is performed. The composing rectangle must lie completely inside
-the bounds rectangle. The driver must adjust the area to fit to the bounding
+inserted by the hardware is controlled by
+V4L2_SEL_TGT_COMPOSE_ACTIVE target. The rectangle's coordinates
+are expressed in pixels. The composing rectangle must lie completely inside the
+bounds rectangle. The driver must adjust the area to fit to the bounding
limits. Moreover, the driver can perform other adjustments according to
hardware limitations.