V4L/DVB (12518): ov772x: S_CROP must return actually configured geometry

V4L2 drivers are allowed to configure a geometry different than what has been
requested by the user with S_CROP, but then they have to adjust the input
rectangle accordingly. Fix ov772x to comply with this requirement.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index c0c549fa786f..b720558d8a22 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -960,12 +960,18 @@ static int ov772x_set_crop(struct soc_camera_device *icd,
 {
         struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
         struct ov772x_priv *priv = to_ov772x(client);
+        int ret;
 
         if (!priv->fmt)
                 return -EINVAL;
 
-        return ov772x_set_params(client, &rect->width, &rect->height,
-                                 priv->fmt->fourcc);
+        ret = ov772x_set_params(client, &rect->width, &rect->height,
+                                priv->fmt->fourcc);
+        if (!ret) {
+                rect->left = 0;
+                rect->top = 0;
+        }
+        return ret;
 }
 
 static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)