From c30b46e58b31a0fc420049e21117444862fc7cb7 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 26 Feb 2010 12:23:10 -0300 Subject: [PATCH] [media] v4l: subdev: Generic ioctl support 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 Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/v4l2-framework.txt | 5 +++++ drivers/media/video/v4l2-subdev.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt index 77d96f4e3f50..f2df31b088c6 100644 --- a/Documentation/video4linux/v4l2-framework.txt +++ b/Documentation/video4linux/v4l2-framework.txt @@ -405,6 +405,11 @@ 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 6e76f734c780..0b8064490676 100644 --- a/drivers/media/video/v4l2-subdev.c +++ b/drivers/media/video/v4l2-subdev.c @@ -276,7 +276,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) } #endif default: - return -ENOIOCTLCMD; + return v4l2_subdev_call(sd, core, ioctl, cmd, arg); } return 0; -- 2.34.1