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authorHans de Goede <hdegoede@redhat.com>2012-04-08 12:59:46 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-05-07 16:28:35 -0300
commitc53c2549333b340e2662dc64ec81323476b69a97 (patch)
tree4bd55780eba1302caaf7359631b996043dc1082f /drivers/usb
parenta22d85fea89744fad2cb215da1fe0c1ce226a613 (diff)
[media] v4l2-event: Add v4l2_subscribed_event_ops
Just like with ctrl events, drivers may want to get called back on listener add / remove for other event types too. Rather then special casing all of this in subscribe / unsubscribe event it is better to use ops for this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/uvc_v4l2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index f6e083b50191..90db5fe9c56e 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -296,7 +296,7 @@ uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
if (sub->type < UVC_EVENT_FIRST || sub->type > UVC_EVENT_LAST)
return -EINVAL;
- return v4l2_event_subscribe(&handle->vfh, arg, 2);
+ return v4l2_event_subscribe(&handle->vfh, arg, 2, NULL);
}
case VIDIOC_UNSUBSCRIBE_EVENT:

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