add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iio/adc/ti-adc12138.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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  * ADC12130/ADC12132/ADC12138 12-bit plus sign ADC driver
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  *
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  * Copyright (c) 2016 Akinobu Mita <akinobu.mita@gmail.com>
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- *
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- * This file is subject to the terms and conditions of version 2 of
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- * the GNU General Public License.  See the file COPYING in the main
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- * directory of this archive for more details.
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  *
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  * Datasheet: http://www.ti.com/lit/ds/symlink/adc12138.pdf
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  */
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@@ -415,7 +412,6 @@
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 	init_completion(&adc->complete);
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 	indio_dev->name = spi_get_device_id(spi)->name;
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-	indio_dev->dev.parent = &spi->dev;
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 	indio_dev->info = &adc12138_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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