openwrt/target/linux/bcm27xx/patches-6.6/950-1161-media-pisp_be-Re-introduce-video-node-offset.patch
Álvaro Fernández Rojas 0171157d45 bcm27xx: update to latest RPi patches
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.44..rpi-6.6.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-08-06 18:38:00 +02:00

37 lines
1.2 KiB
Diff

From f372f2854279828a33b9b3debc233d366fb4c124 Mon Sep 17 00:00:00 2001
From: Naushir Patuck <naush@raspberrypi.com>
Date: Mon, 8 Jul 2024 11:47:49 +0100
Subject: [PATCH 1161/1215] media: pisp_be: Re-introduce video node offset
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>
---
drivers/media/platform/raspberrypi/pisp_be/pisp_be.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
+++ b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
@@ -21,6 +21,9 @@
#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
@@ -1484,7 +1487,8 @@ static int pispbe_init_node(struct pispb
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",