modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/media/radio/tea575x.c
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@@ -1,19 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *   ALSA driver for TEA5757/5759 Philips AM/FM radio tuner chips
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  *
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  *	Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
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- *
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- *
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- *   This program is free software; you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   the Free Software Foundation; either version 2 of the License, or
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- *   (at your option) any later version.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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  */
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 #include <linux/delay.h>
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@@ -233,14 +222,10 @@
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 {
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 	struct snd_tea575x *tea = video_drvdata(file);
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224
 
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-	strlcpy(v->driver, tea->v4l2_dev->name, sizeof(v->driver));
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-	strlcpy(v->card, tea->card, sizeof(v->card));
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+	strscpy(v->driver, tea->v4l2_dev->name, sizeof(v->driver));
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+	strscpy(v->card, tea->card, sizeof(v->card));
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 	strlcat(v->card, tea->tea5759 ? " TEA5759" : " TEA5757", sizeof(v->card));
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-	strlcpy(v->bus_info, tea->bus_info, sizeof(v->bus_info));
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-	v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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-	if (!tea->cannot_read_data)
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-		v->device_caps |= V4L2_CAP_HW_FREQ_SEEK;
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-	v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS;
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+	strscpy(v->bus_info, tea->bus_info, sizeof(v->bus_info));
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 	return 0;
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 }
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@@ -264,7 +249,7 @@
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 			index = BAND_AM;
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 			break;
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 		}
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-		/* Fall through */
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+		fallthrough;
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 	default:
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 		return -EINVAL;
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 	}
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@@ -296,7 +281,7 @@
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 	snd_tea575x_enum_freq_bands(tea, &band_fm);
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 	memset(v, 0, sizeof(*v));
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-	strlcpy(v->name, tea->has_am ? "FM/AM" : "FM", sizeof(v->name));
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+	strscpy(v->name, tea->has_am ? "FM/AM" : "FM", sizeof(v->name));
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 	v->type = V4L2_TUNER_RADIO;
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 	v->capability = band_fm.capability;
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 	v->rangelow = tea->has_am ? bands[BAND_AM].rangelow : band_fm.rangelow;
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@@ -537,9 +522,12 @@
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 	tea->vd = tea575x_radio;
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 	video_set_drvdata(&tea->vd, tea);
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 	mutex_init(&tea->mutex);
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-	strlcpy(tea->vd.name, tea->v4l2_dev->name, sizeof(tea->vd.name));
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+	strscpy(tea->vd.name, tea->v4l2_dev->name, sizeof(tea->vd.name));
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 	tea->vd.lock = &tea->mutex;
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 	tea->vd.v4l2_dev = tea->v4l2_dev;
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+	tea->vd.device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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+	if (!tea->cannot_read_data)
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+		tea->vd.device_caps |= V4L2_CAP_HW_FREQ_SEEK;
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 	tea->fops = tea575x_fops;
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 	tea->fops.owner = owner;
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 	tea->vd.fops = &tea->fops;