V4L/DVB: saa7115: add s_mbus_fmt op

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 53b6fcd..d4cc208 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1136,6 +1136,15 @@
 	return 0;
 }
 
+static int saa711x_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt)
+{
+	if (fmt->code != V4L2_MBUS_FMT_FIXED)
+		return -EINVAL;
+	fmt->field = V4L2_FIELD_INTERLACED;
+	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+	return saa711x_set_size(sd, fmt->width, fmt->height);
+}
+
 static int saa711x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
 {
 	if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
@@ -1558,6 +1567,7 @@
 	.s_crystal_freq = saa711x_s_crystal_freq,
 	.g_fmt = saa711x_g_fmt,
 	.s_fmt = saa711x_s_fmt,
+	.s_mbus_fmt = saa711x_s_mbus_fmt,
 	.s_stream = saa711x_s_stream,
 	.querystd = saa711x_querystd,
 	.g_input_status = saa711x_g_input_status,