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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-06-10 22:07:35 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-21 23:28:36 +0400 |
| commit | 668773b84604926519e2baf444f382f88d799d41 (patch) | |
| tree | cd41634a511a1040e2fbe62fe9227a64ce009fb7 /include/media/v4l2-subdev.h | |
| parent | ff5430de70e8137daccecfa1211509f95fcc8d25 (diff) | |
| download | linux-668773b84604926519e2baf444f382f88d799d41.tar.xz | |
[media] V4L2: add a device pointer to struct v4l2_subdev
It is often useful to have simple means to get from a subdevice to the
underlying physical device. This patch adds such a pointer to struct
v4l2_subdev and sets it accordingly in the I2C and SPI cases.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 21fc9e16d7be..5fbb266405f9 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -583,6 +583,8 @@ struct v4l2_subdev { void *host_priv; /* subdev device node */ struct video_device *devnode; + /* pointer to the physical device, if any */ + struct device *dev; }; #define media_entity_to_v4l2_subdev(ent) \ |