audio ok

hc

2023-12-11 223293205a7265c8b02882461ba8996650048ade

 kernel/include/linux/attribute_container.h
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@@ -1,9 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * attribute_container.h - a generic container for all classes
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  *
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  * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
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- *
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- * This file is licensed under GPLv2
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  */
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 #ifndef _ATTRIBUTE_CONTAINER_H_
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@@ -55,6 +54,13 @@
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 					int (*fn)(struct attribute_container *,
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 						  struct device *,
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 						  struct device *));
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+int attribute_container_device_trigger_safe(struct device *dev,
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+					    int (*fn)(struct attribute_container *,
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+						      struct device *,
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+						      struct device *),
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+					    int (*undo)(struct attribute_container *,
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+							struct device *,
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+							struct device *));
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 void attribute_container_trigger(struct device *dev, 
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 				 int (*fn)(struct attribute_container *,
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 					   struct device *));