[PATCH] adv7604/adv7842: fix query_dv_timings

[PATCH] adv7604/adv7842: fix query_dv_timings

[Hans Verkuil]

Set il_vfrontporch/il_vsync/il_vbackporch to 0 for progressive video and
fix a typo where bt->vbackporch was set instead of bt->il_vbackporch.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index d4fa213..5ca4bfe 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1593,7 +1593,9 @@ static int adv7604_query_dv_timings(struct v4l2_subdev *sd,
 			bt->height += hdmi_read16(sd, 0x0b, 0xfff);
 			bt->il_vfrontporch = hdmi_read16(sd, 0x2c, 0x1fff) / 2;
 			bt->il_vsync = hdmi_read16(sd, 0x30, 0x1fff) / 2;
-			bt->vbackporch = hdmi_read16(sd, 0x34, 0x1fff) / 2;
+			bt->il_vbackporch = hdmi_read16(sd, 0x34, 0x1fff) / 2;
+		} else {
+			bt->il_vfrontporch = bt->il_vsync = bt->il_vbackporch = 0;
 		}
 		adv7604_fill_optional_dv_timings_fields(sd, timings);
 	} else {
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 0d55491..541f2db 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -1483,8 +1483,10 @@ static int adv7842_query_dv_timings(struct v4l2_subdev *sd,
 					hdmi_read(sd, 0x2d)) / 2;
 			bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 +
 					hdmi_read(sd, 0x31)) / 2;
-			bt->vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 +
+			bt->il_vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 +
 					hdmi_read(sd, 0x35)) / 2;
+		} else {
+			bt->il_vfrontporch = bt->il_vsync = bt->il_vbackporch = 0;
 		}
 		adv7842_fill_optional_dv_timings_fields(sd, timings);
 	} else {