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Commit c30b46e5 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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[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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cfe2cde6

Documentation/video4linux/v4l2-framework.txt

+5 −0
Original line number Diff line number Diff line
@@ -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

----------------------

drivers/media/video/v4l2-subdev.c

+1 −1
Original line number Diff line number Diff line
@@ -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;