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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-08 21:02:10 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 17:43:20 +0200 |
| commit | 98ec633972a70cf71d71bc8762804f0af4792d08 (patch) | |
| tree | 8f924a6d5804b56a24a58a1e60ea69d53996ece7 /include/media/v4l2-device.h | |
| parent | V4L/DVB (10988): v4l2-dev: use parent field if the v4l2_device has no parent ... (diff) | |
| download | linux-98ec633972a70cf71d71bc8762804f0af4792d08.tar.xz linux-98ec633972a70cf71d71bc8762804f0af4792d08.zip | |
V4L/DVB (11021): v4l2-device: add a notify callback.
Add a notify callback to v4l2_device to let sub-devices notify their
parent of special events.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-device.h')
| -rw-r--r-- | include/media/v4l2-device.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index 5d7146dc2913..3d8e96f6ceb3 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -44,6 +44,9 @@ struct v4l2_device { spinlock_t lock; /* unique device name, by default the driver name + bus ID */ char name[V4L2_DEVICE_NAME_SIZE]; + /* notify callback called by some sub-devices. */ + void (*notify)(struct v4l2_subdev *sd, + unsigned int notification, void *arg); }; /* Initialize v4l2_dev and make dev->driver_data point to v4l2_dev. |