media: adv7180: Add init_cfg pad operation

Add a init_cfg pad operation so that configurations allocated with
v4l2_subdev_alloc_pad_config() are initialized.

Signed-off-by: Niklas Söderlund <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/adv7180.c

···
 	return ret;
 }
 
+static int adv7180_init_cfg(struct v4l2_subdev *sd,
+			    struct v4l2_subdev_pad_config *cfg)
+{
+	struct v4l2_subdev_format fmt = {
+		.which = cfg ? V4L2_SUBDEV_FORMAT_TRY
+			: V4L2_SUBDEV_FORMAT_ACTIVE,
+	};
+
+	return adv7180_set_pad_format(sd, cfg, &fmt);
+}
+
 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 				 struct v4l2_mbus_config *cfg)
 {
···
 };
 
 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
+	.init_cfg = adv7180_init_cfg,
 	.enum_mbus_code = adv7180_enum_mbus_code,
 	.set_fmt = adv7180_set_pad_format,
 	.get_fmt = adv7180_get_pad_format,