linux-kernel - [PATCH 6.7 491/713] media: ivsc: csi: Swap SINK and SOURCE pads

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Message-ID: <20240324224720.1345309-492-sashal@kernel.org>
Date: Sun, 24 Mar 2024 18:43:37 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Hans Verkuil <hverkuil-cisco@...all.nl>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.7 491/713] media: ivsc: csi: Swap SINK and SOURCE pads

From: Sakari Ailus <sakari.ailus@...ux.intel.com>

[ Upstream commit 48f5fd8967f8dd01679fc1618b0cba02095cddc5 ]

This patch swaps SINK and SOURCE pads of the MEI CSI sub-device. While
this does change the UAPI by swapping the pads, the driver has never been
usable in upstream kernel as the Intel IPU6 driver it depends on any
functionality has not yet been merged.

Fixes: 29006e196a56 ("media: pci: intel: ivsc: Add CSI submodule")
Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/pci/intel/ivsc/mei_csi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c
index 2a6b828fd8dd5..e111fd6ff6f6b 100644
--- a/drivers/media/pci/intel/ivsc/mei_csi.c
+++ b/drivers/media/pci/intel/ivsc/mei_csi.c
@@ -71,8 +71,8 @@ enum ivsc_privacy_status {
 };
 
 enum csi_pads {
-	CSI_PAD_SOURCE,
 	CSI_PAD_SINK,
+	CSI_PAD_SOURCE,
 	CSI_NUM_PADS
 };
 
@@ -584,7 +584,7 @@ static int mei_csi_notify_bound(struct v4l2_async_notifier *notifier,
 	csi->remote_pad = pad;
 
 	return media_create_pad_link(&subdev->entity, pad,
-				     &csi->subdev.entity, 1,
+				     &csi->subdev.entity, CSI_PAD_SINK,
 				     MEDIA_LNK_FL_ENABLED |
 				     MEDIA_LNK_FL_IMMUTABLE);
 }
-- 
2.43.0