Expand the 'rotation' property description to define the direction and
orientation of the axis around which the device mounting rotation is
expressed.

Signed-off-by: Jacopo Mondi <jac...@jmondi.org>
---
 .../devicetree/bindings/media/video-interfaces.txt        | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt 
b/Documentation/devicetree/bindings/media/video-interfaces.txt
index 1211bdf80722..58b87a3f1fa4 100644
--- a/Documentation/devicetree/bindings/media/video-interfaces.txt
+++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
@@ -85,9 +85,11 @@ Optional properties
 
 - lens-focus: A phandle to the node of the focus lens controller.
 
-- rotation: The device, typically an image sensor, is not mounted upright,
-  but a number of degrees counter clockwise. Typical values are 0 and 180
-  (upside down).
+- rotation: The mount rotation of the device (typically an image sensor)
+  expressed as counterclockwise rotation degrees along the axis perpendicular 
to
+  the device mounting surface directed away from it. Typical values are 0
+  degrees for upright mounted devices and 180 degrees for devices mounted 
upside
+  down.
 
 - location: The mount location of a device (typically an image sensor or a 
flash
   LED) expressed as a position relative to the usage orientation of the system
-- 
2.23.0

Reply via email to