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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2011-06-13 17:44:42 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 17:53:31 -0300 |
| commit | 523f46d6aba9dcb0a2d0fc474ca884e93a7cf198 (patch) | |
| tree | 5c73cecf3d9786868ac03c93f7df2df6a465d9a6 /drivers/media/video/v4l2-fh.c | |
| parent | 95904d4b6a188ea2f0f1781498f6ca626e21b9ac (diff) | |
| download | linux-523f46d6aba9dcb0a2d0fc474ca884e93a7cf198.tar.bz2 | |
[media] v4l2-events/fh: merge v4l2_events into v4l2_fh
Drivers that supported events used to be rare, but now that controls can also
raise events this will become much more common since almost all drivers have
controls.
This means that keeping struct v4l2_events as a separate struct make no more
sense. Merging it into struct v4l2_fh simplifies things substantially as it
is now an integral part of the filehandle struct.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/v4l2-fh.c')
| -rw-r--r-- | drivers/media/video/v4l2-fh.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/media/video/v4l2-fh.c b/drivers/media/video/v4l2-fh.c index c6aef84099a7..333b8c8f40d6 100644 --- a/drivers/media/video/v4l2-fh.c +++ b/drivers/media/video/v4l2-fh.c @@ -29,7 +29,7 @@ #include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> -int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) +void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) { fh->vdev = vdev; /* Inherit from video_device. May be overridden by the driver. */ @@ -38,16 +38,11 @@ int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags); fh->prio = V4L2_PRIORITY_UNSET; - /* - * fh->events only needs to be initialized if the driver - * supports the VIDIOC_SUBSCRIBE_EVENT ioctl. - */ - if (vdev->ioctl_ops && vdev->ioctl_ops->vidioc_subscribe_event) - return v4l2_event_init(fh); - - fh->events = NULL; - - return 0; + init_waitqueue_head(&fh->wait); + INIT_LIST_HEAD(&fh->free); + INIT_LIST_HEAD(&fh->available); + INIT_LIST_HEAD(&fh->subscribed); + fh->sequence = -1; } EXPORT_SYMBOL_GPL(v4l2_fh_init); |