From 7c305850912ea153808b95475ce5acd0f934891d Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Thu, 6 Nov 2025 11:56:40 +0200 Subject: [PATCH] media: ipu6: Obtain unique source pad from remote sub-device Obtain unique source pad from a remote sub-device, instead of the first one. This means that only one link may be active at stream start. There's no functional change in practice, unless multiple CSI-2 transmitters are directly connected to the receiver. Signed-off-by: Sakari Ailus Reviewed-by: Bingbu Cao Tested-by: Mehdi Djait # Dell XPS 9315 Reviewed-by: Mehdi Djait Signed-off-by: Hans Verkuil --- drivers/media/pci/intel/ipu6/ipu6-isys-video.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c index 54d861aca0088..1d58e321bda72 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c @@ -1204,10 +1204,10 @@ int ipu6_isys_setup_video(struct ipu6_isys_video *av, remote_sd = media_entity_to_v4l2_subdev(remote_pad->entity); asd = to_ipu6_isys_subdev(remote_sd); - source_pad = media_pad_remote_pad_first(&remote_pad->entity->pads[0]); - if (!source_pad) { + source_pad = media_pad_remote_pad_unique(&remote_pad->entity->pads[0]); + if (IS_ERR(source_pad)) { dev_dbg(dev, "No external source entity\n"); - return -ENODEV; + return PTR_ERR(source_pad); } *source_entity = source_pad->entity; -- 2.47.3