When the upstream endpoint is neither a mux nor a CSI2 module, just get
the source pad directly upstream from the CSI.
Fixes: 05f634040c0d ("media: staging/imx7: add imx7 CSI subdev driver")
Reported-by: Sebastien Szymanski <sebastien.szymanski@xxxxxxxxxxxx>
Signed-off-by: Rui Miguel Silva <rui.silva@xxxxxxxxxx>
---
v1->v2:
Dan Carpenter:
- s/in/is/
- align code, and white space fix.
drivers/staging/media/imx/imx7-media-csi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index 9101566f3f67..f775870df7e0 100644
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -442,6 +442,14 @@ static int imx7_csi_get_upstream_endpoint(struct imx7_csi *csi,
src = &csi->src_sd->entity;
+ /*
+ * if the source is neither a mux or csi2 get the one directly upstream
+ * from this csi
+ */
+ if (src->function != MEDIA_ENT_F_VID_IF_BRIDGE &&
+ src->function != MEDIA_ENT_F_VID_MUX)
+ src = &csi->sd.entity;
+
skip_video_mux:
/* get source pad of entity directly upstream from src */
pad = imx_media_pipeline_pad(src, 0, 0, true);
--
2.22.0
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