modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/iio/dummy/iio_simple_dummy_events.c
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@@ -1,9 +1,6 @@
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-/**
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+// SPDX-License-Identifier: GPL-2.0-only
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+/*
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  * Copyright (c) 2011 Jonathan Cameron
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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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  * Event handling elements of industrial I/O reference driver.
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  */
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@@ -110,6 +107,7 @@
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  * @dir: direction of the vent whose value is being read
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  * @info: info type of the event whose value is being read
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  * @val: value for the event code.
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+ * @val2: unused
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  *
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  * Many devices provide a large set of events of which only a subset may
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  * be enabled at a time, with value registers whose meaning changes depending
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@@ -139,6 +137,7 @@
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  * @dir: direction of the vent whose value is being set
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  * @info: info type of the event whose value is being set
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  * @val: the value to be set.
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+ * @val2: unused
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  */
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 int iio_simple_dummy_write_event_value(struct iio_dev *indio_dev,
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 				       const struct iio_chan_spec *chan,