> Instead of returning an error when receiving an ioctl call with an
> unsupported command, forward the call to the subdev core::ioctl handler.
>
> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
> Documentation/video4linux/v4l2-framework.txt | 5 +++++
> drivers/media/video/v4l2-subdev.c | 2 +-
> 2 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/Documentation/video4linux/v4l2-framework.txt
> b/Documentation/video4linux/v4l2-framework.txt
> index 2f5162c..3a1d6b3 100644
> --- a/Documentation/video4linux/v4l2-framework.txt
> +++ b/Documentation/video4linux/v4l2-framework.txt
> @@ -355,6 +355,11 @@ VIDIOC_UNSUBSCRIBE_EVENT
> To properly support events, the poll() file operation is also
> implemented.
>
> +Private ioctls
> +
> + All ioctls not in the above list are passed directly to the sub-device
> + driver through the core::ioctl operation.
> +
>
> I2C sub-device drivers
> ----------------------
> diff --git a/drivers/media/video/v4l2-subdev.c
> b/drivers/media/video/v4l2-subdev.c
> index 7191a4b..c32b2c4 100644
> --- a/drivers/media/video/v4l2-subdev.c
> +++ b/drivers/media/video/v4l2-subdev.c
> @@ -120,7 +120,7 @@ static long subdev_do_ioctl(struct file *file,
> unsigned int cmd, void *arg)
> return v4l2_subdev_call(sd, core, unsubscribe_event, fh, arg);
>
> default:
> - return -ENOIOCTLCMD;
> + return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
> }
>
> return 0;
> --
> 1.7.1
>
> --
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>
Reviewed-by: Hans Verkuil <hverk...@xs4all.nl>
Nice to see how everything fits together :-)
Regards,
Hans
--
Hans Verkuil - video4linux developer - sponsored by TANDBERG, part of Cisco
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