Re: [PATCH v2 08/13] v4l: vsp1: Make vsp1_entity_get_pad_compose() more generic

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Hi Sergei,

On Tuesday 26 Apr 2016 21:09:10 Sergei Shtylyov wrote:
> On 04/26/2016 12:36 AM, Laurent Pinchart wrote:
> > Turn the helper into a function that can retrieve crop and compose
> > selection rectangles.
> > 
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > ---
> > 
> >   drivers/media/platform/vsp1/vsp1_entity.c | 24 ++++++++++++++++++++----
> >   drivers/media/platform/vsp1/vsp1_entity.h |  6 +++---
> >   drivers/media/platform/vsp1/vsp1_rpf.c    |  7 ++++---
> >   3 files changed, 27 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/media/platform/vsp1/vsp1_entity.c
> > b/drivers/media/platform/vsp1/vsp1_entity.c index
> > f60d7926d53f..8c49a74381a1 100644
> > --- a/drivers/media/platform/vsp1/vsp1_entity.c
> > +++ b/drivers/media/platform/vsp1/vsp1_entity.c
> > @@ -87,12 +87,28 @@ vsp1_entity_get_pad_format(struct vsp1_entity *entity,
> > 
> >   	return v4l2_subdev_get_try_format(&entity->subdev, cfg, pad);
> >   
> >   }
> > 
> > +/**
> > + * vsp1_entity_get_pad_selection - Get a pad selection from storage for
> > entity + * @entity: the entity
> > + * @cfg: the configuration storage
> > + * @pad: the pad number
> > + * @target: the selection target
> > + *
> > + * Return the selection rectangle stored in the given configuration for
> > an
> > + * entity's pad. The configuration can be an ACTIVE or TRY configuration.
> > The + * selection target can be COMPOSE or CROP.
> > + */
> > 
> >   struct v4l2_rect *
> > 
> > -vsp1_entity_get_pad_compose(struct vsp1_entity *entity,
> > -			    struct v4l2_subdev_pad_config *cfg,
> > -			    unsigned int pad)
> > +vsp1_entity_get_pad_selection(struct vsp1_entity *entity,
> > +			      struct v4l2_subdev_pad_config *cfg,
> > +			      unsigned int pad, unsigned int target)
> > 
> >   {
> > 
> > -	return v4l2_subdev_get_try_compose(&entity->subdev, cfg, pad);
> > +	if (target == V4L2_SEL_TGT_COMPOSE)
> > +		return v4l2_subdev_get_try_compose(&entity->subdev, cfg, pad);
> > +	else if (target == V4L2_SEL_TGT_CROP)
> > +		return v4l2_subdev_get_try_crop(&entity->subdev, cfg, pad);
> > +	else
> > +		return NULL;
> 
>     How about *switch* instead?

That's certainly an option. It don't think it would make a big difference, but 
I'll change it nonetheless. I won't post a new of the series now just for that 
change though, but I'll include it when I'll do.

-- 
Regards,

Laurent Pinchart




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