modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/iio/accel/sca3000.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * sca3000_core.c -- support VTI sca3000 series accelerometers via SPI
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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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  * Copyright (c) 2009 Jonathan Cameron <jic23@kernel.org>
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  *
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@@ -114,7 +111,7 @@
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 /* Currently unsupported */
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 #define SCA3000_MD_CTRL_AND_Y				BIT(3)
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 #define SCA3000_MD_CTRL_AND_X				BIT(4)
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-#define SAC3000_MD_CTRL_AND_Z				BIT(5)
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+#define SCA3000_MD_CTRL_AND_Z				BIT(5)
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 /*
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  * Some control registers of complex access methods requiring this register to
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@@ -189,9 +186,9 @@
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  * @option_mode_2_freq:		option mode 2 sampling frequency
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  * @option_mode_2_3db_freq:	3db cutoff frequency of the low pass filter for
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  * the second option mode.
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- * @mod_det_mult_xz:		Bit wise multipliers to calculate the threshold
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+ * @mot_det_mult_xz:		Bit wise multipliers to calculate the threshold
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  * for motion detection in the x and z axis.
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- * @mod_det_mult_y:		Bit wise multipliers to calculate the threshold
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+ * @mot_det_mult_y:		Bit wise multipliers to calculate the threshold
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  * for motion detection in the y axis.
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  *
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  * This structure is used to hold information about the functionality of a given
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@@ -862,9 +859,9 @@
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  */
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 static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(sca3000_read_av_freq);
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-/**
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+/*
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  * sca3000_read_event_value() - query of a threshold or period
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- **/
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+ */
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 static int sca3000_read_event_value(struct iio_dev *indio_dev,
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 				    const struct iio_chan_spec *chan,
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 				    enum iio_event_type type,
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@@ -872,8 +869,9 @@
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 				    enum iio_event_info info,
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 				    int *val, int *val2)
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 {
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-	int ret, i;
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 	struct sca3000_state *st = iio_priv(indio_dev);
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+	long ret;
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+	int i;
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 	switch (info) {
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 	case IIO_EV_INFO_VALUE:
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@@ -885,11 +883,11 @@
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 			return ret;
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 		*val = 0;
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 		if (chan->channel2 == IIO_MOD_Y)
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-			for_each_set_bit(i, (unsigned long *)&ret,
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+			for_each_set_bit(i, &ret,
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 					 ARRAY_SIZE(st->info->mot_det_mult_y))
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 				*val += st->info->mot_det_mult_y[i];
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 		else
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-			for_each_set_bit(i, (unsigned long *)&ret,
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+			for_each_set_bit(i, &ret,
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 					 ARRAY_SIZE(st->info->mot_det_mult_xz))
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 				*val += st->info->mot_det_mult_xz[i];
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@@ -1102,9 +1100,9 @@
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 	return IRQ_HANDLED;
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 }
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-/**
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+/*
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  * sca3000_read_event_config() what events are enabled
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- **/
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+ */
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 static int sca3000_read_event_config(struct iio_dev *indio_dev,
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 				     const struct iio_chan_spec *chan,
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 				     enum iio_event_type type,
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@@ -1469,7 +1467,6 @@
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 	st->info = &sca3000_spi_chip_info_tbl[spi_get_device_id(spi)
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 					      ->driver_data];
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-	indio_dev->dev.parent = &spi->dev;
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 	indio_dev->name = spi_get_device_id(spi)->name;
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 	indio_dev->info = &sca3000_info;
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 	if (st->info->temp_output) {