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46 lines
1.2 KiB
46 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* STMicroelectronics magnetometers driver |
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* |
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* Copyright 2012-2013 STMicroelectronics Inc. |
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* |
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* Denis Ciocca <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/iio/iio.h> |
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#include <linux/iio/buffer.h> |
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#include <linux/iio/trigger.h> |
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#include <linux/iio/triggered_buffer.h> |
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#include <linux/iio/common/st_sensors.h> |
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#include "st_magn.h" |
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int st_magn_trig_set_state(struct iio_trigger *trig, bool state) |
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{ |
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struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); |
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return st_sensors_set_dataready_irq(indio_dev, state); |
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} |
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static int st_magn_buffer_postenable(struct iio_dev *indio_dev) |
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{ |
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return st_sensors_set_enable(indio_dev, true); |
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} |
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static int st_magn_buffer_predisable(struct iio_dev *indio_dev) |
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{ |
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return st_sensors_set_enable(indio_dev, false); |
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} |
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static const struct iio_buffer_setup_ops st_magn_buffer_setup_ops = { |
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.postenable = &st_magn_buffer_postenable, |
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.predisable = &st_magn_buffer_predisable, |
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}; |
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int st_magn_allocate_ring(struct iio_dev *indio_dev) |
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{ |
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return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev, |
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NULL, &st_sensors_trigger_handler, &st_magn_buffer_setup_ops); |
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} |
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