From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
When a link validation failure occurs, print a debug message to help
diagnosing the cause.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
.../media/platform/rockchip/rkisp1/rkisp1-capture.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index 94819e6c23e2..94a0d787a312 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -1294,8 +1294,16 @@ static int rkisp1_capture_link_validate(struct media_link *link)
if (sd_fmt.format.height != cap->pix.fmt.height ||
sd_fmt.format.width != cap->pix.fmt.width ||
- sd_fmt.format.code != fmt->mbus)
+ sd_fmt.format.code != fmt->mbus) {
+ dev_dbg(cap->rkisp1->dev,
+ "link '%s':%u -> '%s':%u not valid: 0x%04x/%ux%u != 0x%04x/%ux%u",
+ link->source->entity->name, link->source->index,
+ link->sink->entity->name, link->sink->index,
+ sd_fmt.format.code, sd_fmt.format.width,
+ sd_fmt.format.height, fmt->mbus, cap->pix.fmt.width,
+ cap->pix.fmt.height);
return -EPIPE;
+ }
return 0;
}
--
2.30.2
