[media] adv7180: Add cropcap operation

Add support to get the pixel aspect ratio depending on the current
standard (50 vs 60 Hz).
Signed-off-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/i2c/adv7180.c

@@ -726,6 +726,21 @@ static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 	return 0;
 }
 
+static int adv7180_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *cropcap)
+{
+	struct adv7180_state *state = to_state(sd);
+
+	if (state->curr_norm & V4L2_STD_525_60) {
+		cropcap->pixelaspect.numerator = 11;
+		cropcap->pixelaspect.denominator = 10;
+	} else {
+		cropcap->pixelaspect.numerator = 54;
+		cropcap->pixelaspect.denominator = 59;
+	}
+
+	return 0;
+}
+
 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 	.s_std = adv7180_s_std,
 	.g_std = adv7180_g_std,
@@ -733,6 +748,7 @@ static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 	.g_input_status = adv7180_g_input_status,
 	.s_routing = adv7180_s_routing,
 	.g_mbus_config = adv7180_g_mbus_config,
+	.cropcap = adv7180_cropcap,
 };