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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2020-01-15 18:32:54 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-02-24 16:14:06 +0100
commit25f98947ced09b3528f52c983960847a31a0b014 (patch)
tree8500dba083ee9b0dc6015d278a8abb378bf91e30 /Documentation/media/uapi
parent536f561d871c5781bc33d26d415685211b94032e (diff)
media: vidioc-queryctrl.rst: fix error code
An attempt to get a BUTTON control returns EACCES, not EINVAL. BUTTON controls have V4L2_CTRL_FLAG_WRITE_ONLY set, and the documentation for that flag correctly says that getting a write-only control returns EACCES. It's the description of the BUTTON type that's wrong, so fix that so they are consistent. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'Documentation/media/uapi')
-rw-r--r--Documentation/media/uapi/v4l/vidioc-queryctrl.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
index 6690928e657b..22ff3c6abd9c 100644
--- a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
+++ b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
@@ -378,7 +378,7 @@ See also the examples in :ref:`control`.
- 0
- 0
- A control which performs an action when set. Drivers must ignore
- the value passed with ``VIDIOC_S_CTRL`` and return an ``EINVAL`` error
+ the value passed with ``VIDIOC_S_CTRL`` and return an ``EACCES`` error
code on a ``VIDIOC_G_CTRL`` attempt.
* - ``V4L2_CTRL_TYPE_INTEGER64``
- any