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authorEzequiel Garcia <ezequiel@collabora.com>2019-07-20 14:47:07 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-07-25 13:26:49 +0300
commit173f6eacc8a89ae4b08b166735930e6c46951a81 (patch)
tree97313fe4f31b98cc50dd506c8ca96d8f5b5c08cc /Documentation/media
parentd4a6a9537bc32811486282206ecfb7c53754b74d (diff)
downloadlinux-173f6eacc8a89ae4b08b166735930e6c46951a81.tar.xz
media: v4l: ctrls: Add debug messages
Currently, the v4l2 control code is a bit silent on errors. Add debug messages on (hopefully) most of the error paths. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/media')
-rw-r--r--Documentation/media/kapi/v4l2-dev.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/media/kapi/v4l2-dev.rst b/Documentation/media/kapi/v4l2-dev.rst
index b359f1804bbe..4c5a15c53dbf 100644
--- a/Documentation/media/kapi/v4l2-dev.rst
+++ b/Documentation/media/kapi/v4l2-dev.rst
@@ -288,6 +288,7 @@ Mask Description
0x08 Log the read and write file operations and the VIDIOC_QBUF and
VIDIOC_DQBUF ioctls.
0x10 Log the poll file operation.
+0x20 Log error and messages in the control operations.
===== ================================================================
Video device cleanup