Hi Martin,
On Wednesday 19 January 2011 20:12:14 mar...@neutronstar.dyndns.org wrote:
> On Wed, Jan 19, 2011 at 12:05:10AM +0100, Hans Verkuil wrote:
> > On Tuesday, January 18, 2011 23:18:42 Martin Hostettler wrote:
[snip]
> > > +#ifdef CONFIG_VIDEO_ADV_DEBUG
> > > +static long mt9m032_ioctl(struct v4l2_subdev *sd, unsigned int cmd,
> > > void *arg) +{
> > > + if (cmd == VIDIOC_DBG_G_REGISTER || cmd == VIDIOC_DBG_S_REGISTER) {
> > > + struct v4l2_dbg_register *p = arg;
> > > +
> > > + if (!capable(CAP_SYS_ADMIN))
> > > + return -EPERM;
> > > +
> > > + if (cmd == VIDIOC_DBG_G_REGISTER)
> > > + return v4l2_subdev_call(sd, core, g_register, p);
> > > + else
> > > + return v4l2_subdev_call(sd, core, s_register, p);
> > > + } else {
> > > + return -ENOIOCTLCMD;
> > > + }
> > > +}
> >
> > Huh? Ah, I get it. This is for when the user uses the subdev's device
> > node directly. This is not good, the v4l2 framework should do translate
> > this to g/s_register. The same should be done for g_chip_ident, I guess.
>
> I'm not sure what you are saying here. Should i move this to a patch for
> v4l2-subdev.c to dispatch those ioctls for all subdevs?
Yes, please do that.
> I need these ioctls to work with the driver and last that i looked nothing
> in the general framework or the omap3 ISP driver was forwarding there from
> the video device node to the subdevice driver...
--
Regards,
Laurent Pinchart
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