Em 09-07-2010 12:31, Laurent Pinchart escreveu: > 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.pinchart@xxxxxxxxxxxxxxxx> > --- > 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; Hmm... private ioctls at subdev... I'm not sure if I like this idea. I prefer to merge this patch only after having a driver actually needing it, after discussing why not using a standard ioctl for that driver. Cheers, Mauro. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
