modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/iio/adc/ep93xx_adc.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Driver for ADC module on the Cirrus Logic EP93xx series of SoCs
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  *
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  * Copyright (C) 2015 Alexander Sverdlin
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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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  * The driver uses polling to get the conversion status. According to EP93xx
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  * datasheets, reading ADCResult register starts the conversion, but user is also
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@@ -173,7 +170,6 @@
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 		return PTR_ERR(priv->base);
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 	}
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-	iiodev->dev.parent = &pdev->dev;
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 	iiodev->name = dev_name(&pdev->dev);
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 	iiodev->modes = INDIO_DIRECT_MODE;
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 	iiodev->info = &ep93xx_adc_info;