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path: root/drivers/media/platform/omap3isp/ispresizer.c
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Diffstat (limited to 'drivers/media/platform/omap3isp/ispresizer.c')
-rw-r--r--drivers/media/platform/omap3isp/ispresizer.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/media/platform/omap3isp/ispresizer.c b/drivers/media/platform/omap3isp/ispresizer.c
index d11fb261d530..0d36b8bc9f98 100644
--- a/drivers/media/platform/omap3isp/ispresizer.c
+++ b/drivers/media/platform/omap3isp/ispresizer.c
@@ -1532,6 +1532,20 @@ static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
return 0;
}
+static int resizer_link_validate(struct v4l2_subdev *sd,
+ struct media_link *link,
+ struct v4l2_subdev_format *source_fmt,
+ struct v4l2_subdev_format *sink_fmt)
+{
+ struct isp_res_device *res = v4l2_get_subdevdata(sd);
+ struct isp_pipeline *pipe = to_isp_pipeline(&sd->entity);
+
+ omap3isp_resizer_max_rate(res, &pipe->max_rate);
+
+ return v4l2_subdev_link_validate_default(sd, link,
+ source_fmt, sink_fmt);
+}
+
/*
* resizer_init_formats - Initialize formats on all pads
* @sd: ISP resizer V4L2 subdevice
@@ -1570,6 +1584,7 @@ static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = {
.set_fmt = resizer_set_format,
.get_selection = resizer_get_selection,
.set_selection = resizer_set_selection,
+ .link_validate = resizer_link_validate,
};
/* subdev operations */
@@ -1701,7 +1716,8 @@ static int resizer_init_entities(struct isp_res_device *res)
v4l2_set_subdevdata(sd, res);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
- pads[RESZ_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
+ pads[RESZ_PAD_SINK].flags = MEDIA_PAD_FL_SINK
+ | MEDIA_PAD_FL_MUST_CONNECT;
pads[RESZ_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
me->ops = &resizer_media_ops;