add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/input/misc/pwm-vibra.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  PWM vibrator driver
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  *
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@@ -8,11 +9,6 @@
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  *
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  *  Based on PWM beeper driver:
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  *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
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- *
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- *  This program is free software; you can redistribute it and/or modify it
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- *  under  the terms of the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the License, or (at your
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- *  option) any later version.
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  */
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 #include <linux/input.h>
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@@ -194,7 +190,7 @@
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 	default:
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 		dev_err(&pdev->dev, "Failed to request direction pwm: %d", err);
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-		/* Fall through */
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+		fallthrough;
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 	case -EPROBE_DEFER:
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 		return err;