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v4l: async: Add a pointer to of_node to struct v4l2_subdev, match it

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V4L2 async sub-devices are currently matched (OF case) based on the struct
device_node pointer in struct device. LED devices may have more than one
LED, and in that case the OF node to match is not directly the device's
node, but a LED's node.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Sakari Ailus
2015-06-11 12:18:01 -07:00
committed by Bryan Wu
parent aaf2cbca46
commit 862176512b
2 changed files with 29 additions and 12 deletions
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include/media/v4l2-subdev.h
+2
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@@ -619,6 +619,8 @@ struct v4l2_subdev {
struct video_device *devnode;
/* pointer to the physical device, if any */
struct device *dev;
/* The device_node of the subdev, usually the same as dev->of_node. */
struct device_node *of_node;
/* Links this subdev to a global subdev_list or @notifier->done list. */
struct list_head async_list;
/* Pointer to respective struct v4l2_async_subdev. */