Hi Sakari,
On Friday, May 31, 2019 1:42:58 PM CEST Sakari Ailus wrote:
> Hi Janusz,
>
> On Sun, May 26, 2019 at 10:47:57PM +0200, Janusz Krzysztofik wrote:
> > According to V4L2 subdevice interface specification, frame scaling
> > factors should be reset to default values on modification of input frame
> > format. Assuming that requirement also applies in case of crop
> > rectangle modification unless V4L2_SEL_FLAG_KEEP_CONFIG is requested,
> > the driver now does not respect it.
> >
> > The KEEP_CONFIG case is already implemented, fix the other path.
> >
> > Signed-off-by: Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx>
> > ---
> > drivers/media/i2c/ov6650.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
> > index 47590cd51190..cc70d8952999 100644
> > --- a/drivers/media/i2c/ov6650.c
> > +++ b/drivers/media/i2c/ov6650.c
> > @@ -472,6 +472,8 @@ static int ov6650_get_selection(struct v4l2_subdev
*sd,
> > }
> > }
> >
> > +static int ov6650_s_fmt(struct v4l2_subdev *sd, u32 code, bool
half_scale);
> > +
>
> Would it be possible to rearrange the functions in the file so you wouldn't
> need extra prototypes? Preferrably that'd be a new patch.
Sure. I've intentionally done it like that for better readability of the
patches, but I have a task in my queue for rearrangement of functions order as
soon as other modifications are in place.
> > static int ov6650_set_selection(struct v4l2_subdev *sd,
> > struct v4l2_subdev_pad_config *cfg,
> > struct v4l2_subdev_selection *sel)
> > @@ -515,7 +517,13 @@ static int ov6650_set_selection(struct v4l2_subdev
*sd,
> > }
> > if (!ret)
> > priv->rect.height = sel->r.height;
> > + else
> > + return ret;
>
> if (ret)
> return ret;
OK
Perhaps you will have more comments on other patches so I'll wait a bit and
then resubmit the series as v2.
Thanks,
Janusz
> ...
>
> >
> > + if (priv->half_scale) {
> > + /* turn off half scaling, preserve media bus format */
> > + ret = ov6650_s_fmt(sd, priv->code, false);
> > + }
> > return ret;
> > }
> >
>
>
