add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iio/resolver/ad2s1200.c
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@@ -1,21 +1,18 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * ad2s1200.c simple support for the ADI Resolver to Digital Converters:
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  * AD2S1200/1205
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  *
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  * Copyright (c) 2018-2018 David Veenstra <davidjulianveenstra@gmail.com>
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  * Copyright (c) 2010-2010 Analog Devices Inc.
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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/bitops.h>
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 #include <linux/delay.h>
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 #include <linux/device.h>
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-#include <linux/gpio.h>
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 #include <linux/gpio/consumer.h>
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 #include <linux/module.h>
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+#include <linux/mod_devicetable.h>
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 #include <linux/mutex.h>
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 #include <linux/spi/spi.h>
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 #include <linux/sysfs.h>
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@@ -161,7 +158,6 @@
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 		return PTR_ERR(st->rdvel);
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 	}
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-	indio_dev->dev.parent = &spi->dev;
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 	indio_dev->info = &ad2s1200_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = ad2s1200_channels;
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@@ -197,7 +193,7 @@
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 static struct spi_driver ad2s1200_driver = {
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 	.driver = {
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 		.name = DRV_NAME,
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-		.of_match_table = of_match_ptr(ad2s1200_of_match),
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+		.of_match_table = ad2s1200_of_match,
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 	},
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 	.probe = ad2s1200_probe,
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 	.id_table = ad2s1200_id,