From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/media/usb/pwc/pwc-v4l.c | 28 +++++-----------------------
1 files changed, 5 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/media/usb/pwc/pwc-v4l.c b/kernel/drivers/media/usb/pwc/pwc-v4l.c
index 043b2b9..71b719d 100644
--- a/kernel/drivers/media/usb/pwc/pwc-v4l.c
+++ b/kernel/drivers/media/usb/pwc/pwc-v4l.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Linux driver for Philips webcam
USB and Video4Linux interface part.
(C) 1999-2004 Nemosoft Unv.
@@ -10,19 +11,6 @@
The decompression routines have been implemented by reverse-engineering the
Nemosoft binary pwcx module. Caveat emptor.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- 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.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
@@ -492,12 +480,9 @@
{
struct pwc_device *pdev = video_drvdata(file);
- strcpy(cap->driver, PWC_NAME);
- strlcpy(cap->card, pdev->vdev.name, sizeof(cap->card));
+ strscpy(cap->driver, PWC_NAME, sizeof(cap->driver));
+ strscpy(cap->card, pdev->vdev.name, sizeof(cap->card));
usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -506,7 +491,7 @@
if (i->index) /* Only one INPUT is supported */
return -EINVAL;
- strlcpy(i->name, "Camera", sizeof(i->name));
+ strscpy(i->name, "Camera", sizeof(i->name));
i->type = V4L2_INPUT_TYPE_CAMERA;
return 0;
}
@@ -569,7 +554,7 @@
if (!DEVICE_USE_CODEC3(pdev->type))
break;
/* For CODEC3 where autogain also controls expo */
- /* fall through */
+ fallthrough;
case V4L2_CID_EXPOSURE_AUTO:
if (pdev->exposure_valid && time_before(jiffies,
pdev->last_exposure_update + HZ / 4)) {
@@ -888,12 +873,9 @@
case 0:
/* RAW format */
f->pixelformat = pdev->type <= 646 ? V4L2_PIX_FMT_PWC1 : V4L2_PIX_FMT_PWC2;
- f->flags = V4L2_FMT_FLAG_COMPRESSED;
- strlcpy(f->description, "Raw Philips Webcam", sizeof(f->description));
break;
case 1:
f->pixelformat = V4L2_PIX_FMT_YUV420;
- strlcpy(f->description, "4:2:0, planar, Y-Cb-Cr", sizeof(f->description));
break;
default:
return -EINVAL;
--
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