modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/iio/dac/max5821.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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  /*
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   * iio/dac/max5821.c
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   * Copyright (C) 2014 Philippe Reynes
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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 version 2 as
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-  * published by the Free Software Foundation.
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   */
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 #include <linux/kernel.h>
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@@ -270,8 +267,7 @@
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 	}
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 }
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-#ifdef CONFIG_PM_SLEEP
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-static int max5821_suspend(struct device *dev)
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+static int __maybe_unused max5821_suspend(struct device *dev)
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 {
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 	u8 outbuf[2] = { MAX5821_EXTENDED_COMMAND_MODE,
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 			 MAX5821_EXTENDED_DAC_A |
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@@ -281,7 +277,7 @@
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 	return i2c_master_send(to_i2c_client(dev), outbuf, 2);
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 }
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-static int max5821_resume(struct device *dev)
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+static int __maybe_unused max5821_resume(struct device *dev)
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 {
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 	u8 outbuf[2] = { MAX5821_EXTENDED_COMMAND_MODE,
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 			 MAX5821_EXTENDED_DAC_A |
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@@ -292,10 +288,6 @@
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 }
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 static SIMPLE_DEV_PM_OPS(max5821_pm_ops, max5821_suspend, max5821_resume);
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-#define MAX5821_PM_OPS (&max5821_pm_ops)
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-#else
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-#define MAX5821_PM_OPS NULL
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-#endif /* CONFIG_PM_SLEEP */
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 static const struct iio_info max5821_info = {
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 	.read_raw = max5821_read_raw,
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@@ -349,7 +341,6 @@
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 	data->vref_mv = ret / 1000;
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 	indio_dev->name = id->name;
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-	indio_dev->dev.parent = &client->dev;
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 	indio_dev->num_channels = ARRAY_SIZE(max5821_channels);
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 	indio_dev->channels = max5821_channels;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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@@ -392,7 +383,7 @@
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 	.driver = {
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 		.name	= "max5821",
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 		.of_match_table = max5821_of_match,
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-		.pm     = MAX5821_PM_OPS,
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+		.pm     = &max5821_pm_ops,
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 	},
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 	.probe		= max5821_probe,
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 	.remove		= max5821_remove,