From 2096a5dcf9704f5a86ecba37169eb813aaf0431c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 9 Dec 2009 08:38:49 -0300 Subject: [media] v4l: subdev: Add device node support Create a device node named subdevX for every registered subdev. As the device node is registered before the subdev core::s_config function is called, return -EGAIN on open until initialization completes. Signed-off-by: Laurent Pinchart Signed-off-by: Vimarsh Zutshi Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-device.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/media/v4l2-device.h') diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index b16f307d471a..78b11e5a6db7 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -96,6 +96,12 @@ int __must_check v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, wasn't registered. In that case it will do nothing. */ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd); +/* Register device nodes for all subdev of the v4l2 device that are marked with + * the V4L2_SUBDEV_FL_HAS_DEVNODE flag. + */ +int __must_check +v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev); + /* Iterate over all subdevs. */ #define v4l2_device_for_each_subdev(sd, v4l2_dev) \ list_for_each_entry(sd, &(v4l2_dev)->subdevs, list) -- cgit v1.2.3