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author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-09-06 07:54:00 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-19 00:19:34 -0300 |
commit | 6b5270d21202fcf6ae16a6266fed83a30ccece7a (patch) | |
tree | 54036a74de819e7d6a63f7572ecf37b0a00ac94c /include/media/v4l2-dev.h | |
parent | 5062cb70c828bd7b2a8223390ae836c5baa250b9 (diff) | |
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V4L/DVB (12725): v4l: warn when desired devnodenr is in use & add _no_warn function
Warn when the desired device node number is already in use, except when
the new video_register_device_no_warn function is called since in some
use-cases that warning is not relevant.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-dev.h')
-rw-r--r-- | include/media/v4l2-dev.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 255f644..73c9867 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -101,6 +101,10 @@ struct video_device Also note that vdev->minor is set to -1 if the registration failed. */ int __must_check video_register_device(struct video_device *vdev, int type, int nr); +/* Same as video_register_device, but no warning is issued if the desired + device node number was already in use. */ +int __must_check video_register_device_no_warn(struct video_device *vdev, int type, int nr); + /* Unregister video devices. Will do nothing if vdev == NULL or vdev->minor < 0. */ void video_unregister_device(struct video_device *vdev); |