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media: pisp_be: Re-introduce video node offset

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Offset the backend dev-nodes starting at /dev/video20
onwards to maintain backward compatibility with the
pre-upstreamed kernel driver.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Naushir Patuck
2024-07-08 11:47:49 +01:00
committed by Dom Cobley
parent 8c47c82918
commit ba621aa9a5
1 changed files with 5 additions and 1 deletions
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6
drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
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@@ -23,6 +23,9 @@
#include "pisp_be_formats.h"
/* Offset to use when registering the /dev/videoX node */
#define PISPBE_VIDEO_NODE_OFFSET 20
/* Maximum number of config buffers possible */
#define PISP_BE_NUM_CONFIG_BUFFERS VB2_MAX_FRAME
@@ -1446,7 +1449,8 @@ static int pispbe_init_node(struct pispbe_dev *pispbe, unsigned int id)
goto err_unregister_queue;
}
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
ret = video_register_device(vdev, VFL_TYPE_VIDEO,
PISPBE_VIDEO_NODE_OFFSET);
if (ret) {
dev_err(pispbe->dev,
"Failed to register video %s device node\n",