The CSI2 bridge needs to know the video format, propagate it after the
video source have had its say on the format.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/platform/rcar-vin/rcar-v4l2.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index e99815f..d363531 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -193,6 +193,21 @@ static int __rvin_try_format_source(struct rvin_dev *vin,
if (ret < 0 && ret != -ENOIOCTLCMD)
goto done;
+ /* If we are part of a CSI2 group update bridge */
+ if (vin_have_bridge(vin)) {
+ struct v4l2_subdev *bridge = vin_to_bridge(vin);
+
+ if (!bridge) {
+ ret = -EINVAL;
+ goto done;
+ }
+
+ format.pad = 0;
+ ret = v4l2_subdev_call(bridge, pad, set_fmt, pad_cfg, &format);
+ if (ret < 0 && ret != -ENOIOCTLCMD)
+ goto done;
+ }
+
v4l2_fill_pix_format(pix, &format.format);
pix->field = field;
--
2.10.2
