disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/input/mt.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 #ifndef _INPUT_MT_H
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 #define _INPUT_MT_H
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@@ -5,10 +6,6 @@
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  * Input Multitouch Library
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  *
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  * Copyright (c) 2010 Henrik Rydberg
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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 version 2 as published by
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- * the Free Software Foundation.
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  */
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 #include <linux/input.h>
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@@ -103,6 +100,11 @@
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 bool input_mt_report_slot_state(struct input_dev *dev,
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 				unsigned int tool_type, bool active);
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+static inline void input_mt_report_slot_inactive(struct input_dev *dev)
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+{
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+	input_mt_report_slot_state(dev, 0, false);
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+}
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+
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 void input_mt_report_finger_count(struct input_dev *dev, int count);
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 void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count);
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 void input_mt_drop_unused(struct input_dev *dev);