[RFC/PATCH,6/6] v4l: subdev: Generic ioctl support

Commit Message

Laurent Pinchart July 7, 2010, 11:53 a.m. UTC

None

Patch

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;