linux-kernel - [PATCH RFC v2 1/6] media: v4l2-ctrls: fix documentation of V4L2_CID_FOCUS

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Date:   Tue, 25 Apr 2023 11:45:11 +0200
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     libcamera-devel@...ts.libcamera.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Matthias Fend <Matthias.Fend@...fvision.net>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH RFC v2 1/6] media: v4l2-ctrls: fix documentation of
 V4L2_CID_FOCUS_ABSOLUTE unit

The current unit description of the V4L2_CID_FOCUS_ABSOLUTE does not
make sense and was probably copy-pasted from V4L2_CID_FOCUS_RELATIVE.
Fix the unit description in the documentation.

Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
 Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst
index daa4f40869f8..df29150dce7b 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst
@@ -140,8 +140,8 @@ enum v4l2_exposure_metering -
 
 ``V4L2_CID_FOCUS_ABSOLUTE (integer)``
     This control sets the focal point of the camera to the specified
-    position. The unit is undefined. Positive values set the focus
-    closer to the camera, negative values towards infinity.
+    position. The unit is undefined. Larger values move the focus closer to
+    the camera, smaller values move the focus to infinity.
 
 ``V4L2_CID_FOCUS_RELATIVE (integer)``
     This control moves the focal point of the camera by the specified

-- 
2.37.2