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80503b23b2
Based on 1 normalized pattern(s): licensed under the gpl 2 or later extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 82 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* AD714X CapTouch Programmable Controller driver (bus interfaces)
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*
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* Copyright 2009-2011 Analog Devices Inc.
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*/
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#ifndef _AD714X_H_
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#define _AD714X_H_
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#include <linux/types.h>
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#define STAGE_NUM 12
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struct device;
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struct ad714x_platform_data;
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struct ad714x_driver_data;
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struct ad714x_chip;
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typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t);
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typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short);
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struct ad714x_chip {
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unsigned short l_state;
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unsigned short h_state;
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unsigned short c_state;
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unsigned short adc_reg[STAGE_NUM];
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unsigned short amb_reg[STAGE_NUM];
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unsigned short sensor_val[STAGE_NUM];
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struct ad714x_platform_data *hw;
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struct ad714x_driver_data *sw;
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int irq;
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struct device *dev;
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ad714x_read_t read;
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ad714x_write_t write;
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struct mutex mutex;
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unsigned product;
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unsigned version;
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__be16 xfer_buf[16] ____cacheline_aligned;
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};
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int ad714x_disable(struct ad714x_chip *ad714x);
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int ad714x_enable(struct ad714x_chip *ad714x);
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struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
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ad714x_read_t read, ad714x_write_t write);
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#endif
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