From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/media/radio/si470x/radio-si470x-usb.c | 25 +++++++++----------------
1 files changed, 9 insertions(+), 16 deletions(-)
diff --git a/kernel/drivers/media/radio/si470x/radio-si470x-usb.c b/kernel/drivers/media/radio/si470x/radio-si470x-usb.c
index ba43a72..1365ae7 100644
--- a/kernel/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/kernel/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* drivers/media/radio/si470x/radio-si470x-usb.c
*
* USB driver for radios with Silicon Labs Si470x FM Radio Receivers
*
* Copyright (c) 2009 Tobias Lorenz <tobias.lorenz@gmx.net>
- *
- * 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.
*/
@@ -519,13 +510,10 @@
{
struct si470x_device *radio = video_drvdata(file);
- strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
- strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
+ strscpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
+ strscpy(capability->card, DRIVER_CARD, sizeof(capability->card));
usb_make_path(radio->usbdev, capability->bus_info,
sizeof(capability->bus_info));
- capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
- V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
- capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -679,6 +667,9 @@
radio->videodev.lock = &radio->lock;
radio->videodev.v4l2_dev = &radio->v4l2_dev;
radio->videodev.release = video_device_release_empty;
+ radio->videodev.device_caps =
+ V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE | V4L2_CAP_TUNER |
+ V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
video_set_drvdata(&radio->videodev, radio);
/* get device and chip versions */
@@ -742,8 +733,10 @@
/* start radio */
retval = si470x_start_usb(radio);
- if (retval < 0)
+ if (retval < 0 && !radio->int_in_running)
goto err_buf;
+ else if (retval < 0) /* in case of radio->int_in_running == 1 */
+ goto err_all;
/* set initial frequency */
si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */
--
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