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media: imx7-media-csi: get csi upstream endpoint

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When the upstream endpoint is neither a mux nor a CSI2 module, just get
the source pad directly upstream from the CSI.

Reported-by: Sebastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Rui Miguel Silva 2019-06-12 06:00:28 -04:00 committed by Mauro Carvalho Chehab
parent 13d93380fc
commit e0c76a7d34
1 changed files with 8 additions and 0 deletions
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8
drivers/staging/media/imx/imx7-media-csi.c
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@ -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);