From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/media/usb/go7007/go7007-v4l2.c | 54 ++++++++++++++++--------------------------------------
1 files changed, 16 insertions(+), 38 deletions(-)
diff --git a/kernel/drivers/media/usb/go7007/go7007-v4l2.c b/kernel/drivers/media/usb/go7007/go7007-v4l2.c
index c55c82f..b2edc4d 100644
--- a/kernel/drivers/media/usb/go7007/go7007-v4l2.c
+++ b/kernel/drivers/media/usb/go7007/go7007-v4l2.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2005-2006 Micronas USA Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/module.h>
@@ -284,51 +276,31 @@
{
struct go7007 *go = video_drvdata(file);
- strlcpy(cap->driver, "go7007", sizeof(cap->driver));
- strlcpy(cap->card, go->name, sizeof(cap->card));
- strlcpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
-
- cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING;
-
- if (go->board_info->num_aud_inputs)
- cap->device_caps |= V4L2_CAP_AUDIO;
- if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
- cap->device_caps |= V4L2_CAP_TUNER;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ strscpy(cap->driver, "go7007", sizeof(cap->driver));
+ strscpy(cap->card, go->name, sizeof(cap->card));
+ strscpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *fmt)
{
- char *desc = NULL;
-
switch (fmt->index) {
case 0:
fmt->pixelformat = V4L2_PIX_FMT_MJPEG;
- desc = "Motion JPEG";
break;
case 1:
fmt->pixelformat = V4L2_PIX_FMT_MPEG1;
- desc = "MPEG-1 ES";
break;
case 2:
fmt->pixelformat = V4L2_PIX_FMT_MPEG2;
- desc = "MPEG-2 ES";
break;
case 3:
fmt->pixelformat = V4L2_PIX_FMT_MPEG4;
- desc = "MPEG-4 ES";
break;
default:
return -EINVAL;
}
- fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- fmt->flags = V4L2_FMT_FLAG_COMPRESSED;
-
- strncpy(fmt->description, desc, sizeof(fmt->description));
-
return 0;
}
@@ -634,8 +606,8 @@
if (inp->index >= go->board_info->num_inputs)
return -EINVAL;
- strlcpy(inp->name, go->board_info->inputs[inp->index].name,
- sizeof(inp->name));
+ strscpy(inp->name, go->board_info->inputs[inp->index].name,
+ sizeof(inp->name));
/* If this board has a tuner, it will be the first input */
if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
@@ -673,7 +645,7 @@
if (a->index >= go->board_info->num_aud_inputs)
return -EINVAL;
- strlcpy(a->name, go->board_info->aud_inputs[a->index].name,
+ strscpy(a->name, go->board_info->aud_inputs[a->index].name,
sizeof(a->name));
a->capability = V4L2_AUDCAP_STEREO;
return 0;
@@ -684,7 +656,7 @@
struct go7007 *go = video_drvdata(file);
a->index = go->aud_input;
- strlcpy(a->name, go->board_info->aud_inputs[go->aud_input].name,
+ strscpy(a->name, go->board_info->aud_inputs[go->aud_input].name,
sizeof(a->name));
a->capability = V4L2_AUDCAP_STEREO;
return 0;
@@ -742,7 +714,7 @@
if (t->index != 0)
return -EINVAL;
- strlcpy(t->name, "Tuner", sizeof(t->name));
+ strscpy(t->name, "Tuner", sizeof(t->name));
return call_all(&go->v4l2_dev, tuner, g_tuner, t);
}
@@ -1122,6 +1094,12 @@
*vdev = go7007_template;
vdev->lock = &go->serialize_lock;
vdev->queue = &go->vidq;
+ vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING;
+ if (go->board_info->num_aud_inputs)
+ vdev->device_caps |= V4L2_CAP_AUDIO;
+ if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
+ vdev->device_caps |= V4L2_CAP_TUNER;
video_set_drvdata(vdev, go);
vdev->v4l2_dev = &go->v4l2_dev;
if (!v4l2_device_has_op(&go->v4l2_dev, 0, video, querystd))
@@ -1160,7 +1138,7 @@
go7007_s_input(go);
if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
go7007_s_std(go);
- rv = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+ rv = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (rv < 0)
return rv;
dev_info(go->dev, "registered device %s [v4l2]\n",
--
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