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 89bd881..581e7db 100644
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -365,6 +365,11 @@ 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 31bec67..ce47772 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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