linux-omap 2.6.37: sync with OE .dev
[glsdk/meta-ti-glsdk.git] / recipes-bsp / linux / linux-omap / media / 0031-v4l-subdev-Generic-ioctl-support.patch
1 From 3378e81670a983f084f6d8e6be654234b258e482 Mon Sep 17 00:00:00 2001
2 From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
3 Date: Fri, 26 Feb 2010 16:23:10 +0100
4 Subject: [PATCH 31/43] v4l: subdev: Generic ioctl support
6 Instead of returning an error when receiving an ioctl call with an
7 unsupported command, forward the call to the subdev core::ioctl handler.
9 Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 ---
11  Documentation/video4linux/v4l2-framework.txt |    5 +++++
12  drivers/media/video/v4l2-subdev.c            |    2 +-
13  2 files changed, 6 insertions(+), 1 deletions(-)
15 diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
16 index d0fb880..1bb5f22 100644
17 --- a/Documentation/video4linux/v4l2-framework.txt
18 +++ b/Documentation/video4linux/v4l2-framework.txt
19 @@ -407,6 +407,11 @@ VIDIOC_UNSUBSCRIBE_EVENT
20         To properly support events, the poll() file operation is also
21         implemented.
22  
23 +Private ioctls
24 +
25 +       All ioctls not in the above list are passed directly to the sub-device
26 +       driver through the core::ioctl operation.
27 +
28  
29  I2C sub-device drivers
30  ----------------------
31 diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
32 index e706c4c..1710a64 100644
33 --- a/drivers/media/video/v4l2-subdev.c
34 +++ b/drivers/media/video/v4l2-subdev.c
35 @@ -276,7 +276,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
36         }
37  #endif
38         default:
39 -               return -ENOIOCTLCMD;
40 +               return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
41         }
42  
43         return 0;
44 -- 
45 1.6.6.1