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/dvb-frontends/rtl2832_sdr.c | 42 +++++++++++++-----------------------------
1 files changed, 13 insertions(+), 29 deletions(-)
diff --git a/kernel/drivers/media/dvb-frontends/rtl2832_sdr.c b/kernel/drivers/media/dvb-frontends/rtl2832_sdr.c
index d448d9d..ef6feb2 100644
--- a/kernel/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/kernel/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -1,25 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Realtek RTL2832U SDR driver
*
* Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
*
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* GNU Radio plugin "gr-kernel" for device usage will be on:
- * http://git.linuxtv.org/anttip/gr-kernel.git
- *
+ * https://git.linuxtv.org/anttip/gr-kernel.git
*/
#include "rtl2832_sdr.h"
@@ -95,11 +81,9 @@
static struct rtl2832_sdr_format formats[] = {
{
- .name = "Complex U8",
.pixelformat = V4L2_SDR_FMT_CU8,
.buffersize = BULK_BUFFER_SIZE,
}, {
- .name = "Complex U16LE (emulated)",
.pixelformat = V4L2_SDR_FMT_CU16LE,
.buffersize = BULK_BUFFER_SIZE * 2,
},
@@ -439,12 +423,9 @@
dev_dbg(&pdev->dev, "\n");
- strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
- strlcpy(cap->card, dev->vdev.name, sizeof(cap->card));
+ strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
+ strscpy(cap->card, dev->vdev.name, sizeof(cap->card));
usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -471,7 +452,7 @@
{
struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
- /* Don't allow queing new buffers after device disconnection */
+ /* Don't allow queueing new buffers after device disconnection */
if (!dev->udev)
return -ENODEV;
@@ -976,7 +957,7 @@
dev_dbg(&pdev->dev, "index=%d type=%d\n", v->index, v->type);
if (v->index == 0) {
- strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name));
+ strscpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name));
v->type = V4L2_TUNER_ADC;
v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
v->rangelow = 300000;
@@ -986,7 +967,7 @@
V4L2_SUBDEV_HAS_OP(dev->v4l2_subdev, tuner, g_tuner)) {
ret = v4l2_subdev_call(dev->v4l2_subdev, tuner, g_tuner, v);
} else if (v->index == 1) {
- strlcpy(v->name, "RF: <unknown>", sizeof(v->name));
+ strscpy(v->name, "RF: <unknown>", sizeof(v->name));
v->type = V4L2_TUNER_RF;
v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
v->rangelow = 50000000;
@@ -1133,7 +1114,6 @@
if (f->index >= dev->num_formats)
return -EINVAL;
- strlcpy(f->description, formats[f->index].name, sizeof(f->description));
f->pixelformat = formats[f->index].pixelformat;
return 0;
@@ -1256,6 +1236,8 @@
.release = video_device_release_empty,
.fops = &rtl2832_sdr_fops,
.ioctl_ops = &rtl2832_sdr_ioctl_ops,
+ .device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
+ V4L2_CAP_READWRITE | V4L2_CAP_TUNER,
};
static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl)
@@ -1394,7 +1376,8 @@
case RTL2832_SDR_TUNER_E4000:
v4l2_ctrl_handler_init(&dev->hdl, 9);
if (subdev)
- v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler, NULL);
+ v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler,
+ NULL, true);
break;
case RTL2832_SDR_TUNER_R820T:
case RTL2832_SDR_TUNER_R828D:
@@ -1423,11 +1406,12 @@
v4l2_ctrl_handler_init(&dev->hdl, 2);
if (subdev)
v4l2_ctrl_add_handler(&dev->hdl, subdev->ctrl_handler,
- NULL);
+ NULL, true);
break;
default:
v4l2_ctrl_handler_init(&dev->hdl, 0);
dev_err(&pdev->dev, "Unsupported tuner\n");
+ ret = -ENODEV;
goto err_v4l2_ctrl_handler_free;
}
if (dev->hdl.error) {
--
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