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37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
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From f372f2854279828a33b9b3debc233d366fb4c124 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Mon, 8 Jul 2024 11:47:49 +0100
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Subject: [PATCH 1161/1215] media: pisp_be: Re-introduce video node offset
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Offset the backend dev-nodes starting at /dev/video20
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onwards to maintain backward compatibility with the
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pre-upstreamed kernel driver.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/platform/raspberrypi/pisp_be/pisp_be.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
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+++ b/drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
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@@ -21,6 +21,9 @@
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#include "pisp_be_formats.h"
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+/* Offset to use when registering the /dev/videoX node */
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+#define PISPBE_VIDEO_NODE_OFFSET 20
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+
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/* Maximum number of config buffers possible */
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#define PISP_BE_NUM_CONFIG_BUFFERS VB2_MAX_FRAME
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@@ -1484,7 +1487,8 @@ static int pispbe_init_node(struct pispb
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goto err_unregister_queue;
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}
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- ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
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+ ret = video_register_device(vdev, VFL_TYPE_VIDEO,
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+ PISPBE_VIDEO_NODE_OFFSET);
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if (ret) {
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dev_err(pispbe->dev,
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"Failed to register video %s device node\n",
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