From: Javier Martinez Canillas Date: Fri, 5 Feb 2016 19:09:51 +0000 (-0200) Subject: [media] v4l2-subdev: add registered_async subdev core operation X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=798bd945f0606dfe615142e1157e8ab5c7d29e2b;p=openwrt%2Fstaging%2Fblogic.git [media] v4l2-subdev: add registered_async subdev core operation V4L2 sub-devices that are registered asynchronously have no way to know when they have been registration with a V4L2 device but they might need to take some action after this. So let's add a callback that can be executed by the V4L2 async core to allow sub-devices drivers to do any needed initialization that depends on the registration. Signed-off-by: Javier Martinez Canillas Signed-off-by: Mauro Carvalho Chehab --- diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index b273cf9ac047..11e2dfec0198 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -179,6 +179,8 @@ struct v4l2_subdev_io_pin_config { * for it to be warned when the value of a control changes. * * @unsubscribe_event: remove event subscription from the control framework. + * + * @registered_async: the subdevice has been registered async. */ struct v4l2_subdev_core_ops { int (*log_status)(struct v4l2_subdev *sd); @@ -211,6 +213,7 @@ struct v4l2_subdev_core_ops { struct v4l2_event_subscription *sub); int (*unsubscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh, struct v4l2_event_subscription *sub); + int (*registered_async)(struct v4l2_subdev *sd); }; /**