[media] ml86v7667: override default field interlace order

ML86V7667 always transmits top field first for both PAL and  NTSC -- that makes
application incorrectly  treat interlaced  fields when relying on the standard.
Hence we must set V4L2_FIELD_INTERLACED_TB format explicitly.

[Sergei: added a comment.]

Reported-by: Katsuya MATSUBARA <matsu@igel.co.jp>
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Tested-by: Katsuya MATSUBARA <matsu@igel.co.jp>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/i2c/ml86v7667.c b/drivers/media/i2c/ml86v7667.c
index efdc873e58d122d322d53a3876f88a46f4ddb04f..dd1e6c9347f2d8723413af275993225dbfe666c0 100644 (file)
--- a/drivers/media/i2c/ml86v7667.c
+++ b/drivers/media/i2c/ml86v7667.c
@@ -209,7 +209,8 @@ static int ml86v7667_mbus_fmt(struct v4l2_subdev *sd,
 
        fmt->code = V4L2_MBUS_FMT_YUYV8_2X8;
        fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
-       fmt->field = V4L2_FIELD_INTERLACED;
+       /* The top field is always transferred first by the chip */
+       fmt->field = V4L2_FIELD_INTERLACED_TB;
        fmt->width = 720;
        fmt->height = priv->std & V4L2_STD_525_60 ? 480 : 576;