Hi Hans,
On Friday 25 Mar 2016 13:40:55 Hans Verkuil wrote:
> On 03/25/2016 11:43 AM, Laurent Pinchart wrote:
> > The subdev core code currently rely on the subdev open handler to
> > initialize the file handle's pad configuration, even though subdevs now
> > have a pad operation dedicated for that purpose.
> >
> > As a first step towards migration to init_cfg, call the operation
> > operation in the subdev core open implementation. Subdevs that haven't
> > been moved to init_cfg yet will just continue implementing pad config
> > initialization in their open handler.
> >
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > ---
> >
> > drivers/media/v4l2-core/v4l2-subdev.c | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/media/v4l2-core/v4l2-subdev.c
> > b/drivers/media/v4l2-core/v4l2-subdev.c index d4007f8f58d1..1fa6b713ee19
> > 100644
> > --- a/drivers/media/v4l2-core/v4l2-subdev.c
> > +++ b/drivers/media/v4l2-core/v4l2-subdev.c
> > @@ -83,6 +83,12 @@ static int subdev_open(struct file *file)
> >
> > }
> >
> > #endif
> >
> > +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
> > + ret = v4l2_subdev_call(sd, pad, init_cfg, subdev_fh->pad);
> > + if (ret < 0 && ret != -ENOIOCTLCMD)
> > + goto err;
> > +#endif
>
> Am I missing something here? Doesn't the subdev_fh_init() call earlier in
> this function call pad.init_cfg already?
You're absolutely right, I'll drop this patch.
> > +
> >
> > if (sd->internal_ops && sd->internal_ops->open) {
> >
> > ret = sd->internal_ops->open(sd, subdev_fh);
> > if (ret < 0)
--
Regards,
Laurent Pinchart
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