// SPDX-License-Identifier: GPL-2.0+
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/*
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* atlas-sensor.c - Support for Atlas Scientific OEM SM sensors
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*
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* Copyright (C) 2015-2019 Konsulko Group
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* Author: Matt Ranostay <matt.ranostay@konsulko.com>
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include <linux/err.h>
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#include <linux/irq.h>
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#include <linux/irq_work.h>
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#include <linux/i2c.h>
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#include <linux/mod_devicetable.h>
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#include <linux/regmap.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/trigger_consumer.h>
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#include <linux/iio/triggered_buffer.h>
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#include <linux/pm_runtime.h>
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#define ATLAS_REGMAP_NAME "atlas_regmap"
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#define ATLAS_DRV_NAME "atlas"
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#define ATLAS_REG_DEV_TYPE 0x00
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#define ATLAS_REG_DEV_VERSION 0x01
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#define ATLAS_REG_INT_CONTROL 0x04
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#define ATLAS_REG_INT_CONTROL_EN BIT(3)
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#define ATLAS_REG_PWR_CONTROL 0x06
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#define ATLAS_REG_PH_CALIB_STATUS 0x0d
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#define ATLAS_REG_PH_CALIB_STATUS_MASK 0x07
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#define ATLAS_REG_PH_CALIB_STATUS_LOW BIT(0)
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#define ATLAS_REG_PH_CALIB_STATUS_MID BIT(1)
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#define ATLAS_REG_PH_CALIB_STATUS_HIGH BIT(2)
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#define ATLAS_REG_EC_CALIB_STATUS 0x0f
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#define ATLAS_REG_EC_CALIB_STATUS_MASK 0x0f
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#define ATLAS_REG_EC_CALIB_STATUS_DRY BIT(0)
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#define ATLAS_REG_EC_CALIB_STATUS_SINGLE BIT(1)
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#define ATLAS_REG_EC_CALIB_STATUS_LOW BIT(2)
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#define ATLAS_REG_EC_CALIB_STATUS_HIGH BIT(3)
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#define ATLAS_REG_DO_CALIB_STATUS 0x09
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#define ATLAS_REG_DO_CALIB_STATUS_MASK 0x03
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#define ATLAS_REG_DO_CALIB_STATUS_PRESSURE BIT(0)
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#define ATLAS_REG_DO_CALIB_STATUS_DO BIT(1)
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#define ATLAS_REG_RTD_DATA 0x0e
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#define ATLAS_REG_PH_TEMP_DATA 0x0e
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#define ATLAS_REG_PH_DATA 0x16
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#define ATLAS_REG_EC_PROBE 0x08
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#define ATLAS_REG_EC_TEMP_DATA 0x10
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#define ATLAS_REG_EC_DATA 0x18
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#define ATLAS_REG_TDS_DATA 0x1c
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#define ATLAS_REG_PSS_DATA 0x20
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#define ATLAS_REG_ORP_CALIB_STATUS 0x0d
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#define ATLAS_REG_ORP_DATA 0x0e
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#define ATLAS_REG_DO_TEMP_DATA 0x12
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#define ATLAS_REG_DO_DATA 0x22
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#define ATLAS_PH_INT_TIME_IN_MS 450
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#define ATLAS_EC_INT_TIME_IN_MS 650
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#define ATLAS_ORP_INT_TIME_IN_MS 450
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#define ATLAS_DO_INT_TIME_IN_MS 450
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#define ATLAS_RTD_INT_TIME_IN_MS 450
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enum {
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ATLAS_PH_SM,
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ATLAS_EC_SM,
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ATLAS_ORP_SM,
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ATLAS_DO_SM,
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ATLAS_RTD_SM,
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};
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struct atlas_data {
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struct i2c_client *client;
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struct iio_trigger *trig;
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struct atlas_device *chip;
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struct regmap *regmap;
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struct irq_work work;
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unsigned int interrupt_enabled;
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/* 96-bit data + 32-bit pad + 64-bit timestamp */
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__be32 buffer[6] __aligned(8);
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};
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static const struct regmap_config atlas_regmap_config = {
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.name = ATLAS_REGMAP_NAME,
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.reg_bits = 8,
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.val_bits = 8,
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};
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static int atlas_buffer_num_channels(const struct iio_chan_spec *spec)
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{
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int idx = 0;
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for (; spec->type != IIO_TIMESTAMP; spec++)
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idx++;
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return idx;
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};
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static const struct iio_chan_spec atlas_ph_channels[] = {
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{
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.type = IIO_PH,
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.address = ATLAS_REG_PH_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.scan_index = 0,
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.scan_type = {
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.sign = 'u',
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.realbits = 32,
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.storagebits = 32,
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.endianness = IIO_BE,
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},
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},
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IIO_CHAN_SOFT_TIMESTAMP(1),
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{
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.type = IIO_TEMP,
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.address = ATLAS_REG_PH_TEMP_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.output = 1,
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.scan_index = -1
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},
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};
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#define ATLAS_CONCENTRATION_CHANNEL(_idx, _addr) \
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{\
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.type = IIO_CONCENTRATION, \
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.indexed = 1, \
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.channel = _idx, \
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.address = _addr, \
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.info_mask_separate = \
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
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.scan_index = _idx + 1, \
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.scan_type = { \
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.sign = 'u', \
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.realbits = 32, \
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.storagebits = 32, \
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.endianness = IIO_BE, \
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}, \
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}
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static const struct iio_chan_spec atlas_ec_channels[] = {
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{
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.type = IIO_ELECTRICALCONDUCTIVITY,
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.address = ATLAS_REG_EC_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.scan_index = 0,
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.scan_type = {
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.sign = 'u',
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.realbits = 32,
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.storagebits = 32,
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.endianness = IIO_BE,
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},
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},
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ATLAS_CONCENTRATION_CHANNEL(0, ATLAS_REG_TDS_DATA),
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ATLAS_CONCENTRATION_CHANNEL(1, ATLAS_REG_PSS_DATA),
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IIO_CHAN_SOFT_TIMESTAMP(3),
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{
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.type = IIO_TEMP,
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.address = ATLAS_REG_EC_TEMP_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.output = 1,
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.scan_index = -1
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},
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};
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static const struct iio_chan_spec atlas_orp_channels[] = {
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{
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.type = IIO_VOLTAGE,
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.address = ATLAS_REG_ORP_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.scan_index = 0,
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.scan_type = {
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.sign = 's',
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.realbits = 32,
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.storagebits = 32,
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.endianness = IIO_BE,
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},
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},
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IIO_CHAN_SOFT_TIMESTAMP(1),
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};
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static const struct iio_chan_spec atlas_do_channels[] = {
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{
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.type = IIO_CONCENTRATION,
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.address = ATLAS_REG_DO_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.scan_index = 0,
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.scan_type = {
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.sign = 'u',
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.realbits = 32,
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.storagebits = 32,
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.endianness = IIO_BE,
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},
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},
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IIO_CHAN_SOFT_TIMESTAMP(1),
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{
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.type = IIO_TEMP,
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.address = ATLAS_REG_DO_TEMP_DATA,
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.info_mask_separate =
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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.output = 1,
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.scan_index = -1
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},
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};
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static const struct iio_chan_spec atlas_rtd_channels[] = {
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{
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.type = IIO_TEMP,
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.address = ATLAS_REG_RTD_DATA,
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.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
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.scan_index = 0,
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.scan_type = {
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.sign = 's',
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.realbits = 32,
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.storagebits = 32,
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.endianness = IIO_BE,
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},
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},
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IIO_CHAN_SOFT_TIMESTAMP(1),
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};
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static int atlas_check_ph_calibration(struct atlas_data *data)
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{
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struct device *dev = &data->client->dev;
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int ret;
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unsigned int val;
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ret = regmap_read(data->regmap, ATLAS_REG_PH_CALIB_STATUS, &val);
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if (ret)
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return ret;
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if (!(val & ATLAS_REG_PH_CALIB_STATUS_MASK)) {
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dev_warn(dev, "device has not been calibrated\n");
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return 0;
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}
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if (!(val & ATLAS_REG_PH_CALIB_STATUS_LOW))
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dev_warn(dev, "device missing low point calibration\n");
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if (!(val & ATLAS_REG_PH_CALIB_STATUS_MID))
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dev_warn(dev, "device missing mid point calibration\n");
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if (!(val & ATLAS_REG_PH_CALIB_STATUS_HIGH))
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dev_warn(dev, "device missing high point calibration\n");
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return 0;
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}
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static int atlas_check_ec_calibration(struct atlas_data *data)
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{
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struct device *dev = &data->client->dev;
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int ret;
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unsigned int val;
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__be16 rval;
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ret = regmap_bulk_read(data->regmap, ATLAS_REG_EC_PROBE, &rval, 2);
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if (ret)
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return ret;
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val = be16_to_cpu(rval);
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dev_info(dev, "probe set to K = %d.%.2d", val / 100, val % 100);
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ret = regmap_read(data->regmap, ATLAS_REG_EC_CALIB_STATUS, &val);
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if (ret)
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return ret;
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if (!(val & ATLAS_REG_EC_CALIB_STATUS_MASK)) {
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dev_warn(dev, "device has not been calibrated\n");
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return 0;
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}
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if (!(val & ATLAS_REG_EC_CALIB_STATUS_DRY))
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dev_warn(dev, "device missing dry point calibration\n");
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if (val & ATLAS_REG_EC_CALIB_STATUS_SINGLE) {
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dev_warn(dev, "device using single point calibration\n");
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} else {
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if (!(val & ATLAS_REG_EC_CALIB_STATUS_LOW))
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dev_warn(dev, "device missing low point calibration\n");
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if (!(val & ATLAS_REG_EC_CALIB_STATUS_HIGH))
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dev_warn(dev, "device missing high point calibration\n");
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}
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return 0;
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}
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static int atlas_check_orp_calibration(struct atlas_data *data)
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{
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struct device *dev = &data->client->dev;
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int ret;
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unsigned int val;
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ret = regmap_read(data->regmap, ATLAS_REG_ORP_CALIB_STATUS, &val);
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if (ret)
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return ret;
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if (!val)
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dev_warn(dev, "device has not been calibrated\n");
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return 0;
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}
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static int atlas_check_do_calibration(struct atlas_data *data)
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{
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struct device *dev = &data->client->dev;
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int ret;
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unsigned int val;
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ret = regmap_read(data->regmap, ATLAS_REG_DO_CALIB_STATUS, &val);
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if (ret)
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return ret;
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if (!(val & ATLAS_REG_DO_CALIB_STATUS_MASK)) {
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dev_warn(dev, "device has not been calibrated\n");
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return 0;
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}
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if (!(val & ATLAS_REG_DO_CALIB_STATUS_PRESSURE))
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dev_warn(dev, "device missing atmospheric pressure calibration\n");
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if (!(val & ATLAS_REG_DO_CALIB_STATUS_DO))
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dev_warn(dev, "device missing dissolved oxygen calibration\n");
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return 0;
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}
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struct atlas_device {
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const struct iio_chan_spec *channels;
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int num_channels;
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int data_reg;
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int (*calibration)(struct atlas_data *data);
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int delay;
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};
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static struct atlas_device atlas_devices[] = {
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[ATLAS_PH_SM] = {
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.channels = atlas_ph_channels,
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.num_channels = 3,
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.data_reg = ATLAS_REG_PH_DATA,
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.calibration = &atlas_check_ph_calibration,
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.delay = ATLAS_PH_INT_TIME_IN_MS,
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},
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[ATLAS_EC_SM] = {
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.channels = atlas_ec_channels,
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.num_channels = 5,
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.data_reg = ATLAS_REG_EC_DATA,
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.calibration = &atlas_check_ec_calibration,
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.delay = ATLAS_EC_INT_TIME_IN_MS,
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},
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[ATLAS_ORP_SM] = {
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.channels = atlas_orp_channels,
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.num_channels = 2,
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.data_reg = ATLAS_REG_ORP_DATA,
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.calibration = &atlas_check_orp_calibration,
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.delay = ATLAS_ORP_INT_TIME_IN_MS,
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},
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[ATLAS_DO_SM] = {
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.channels = atlas_do_channels,
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.num_channels = 3,
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.data_reg = ATLAS_REG_DO_DATA,
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.calibration = &atlas_check_do_calibration,
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.delay = ATLAS_DO_INT_TIME_IN_MS,
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},
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[ATLAS_RTD_SM] = {
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.channels = atlas_rtd_channels,
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.num_channels = 2,
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.data_reg = ATLAS_REG_RTD_DATA,
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.delay = ATLAS_RTD_INT_TIME_IN_MS,
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},
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};
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static int atlas_set_powermode(struct atlas_data *data, int on)
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{
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return regmap_write(data->regmap, ATLAS_REG_PWR_CONTROL, on);
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}
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static int atlas_set_interrupt(struct atlas_data *data, bool state)
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{
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if (!data->interrupt_enabled)
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return 0;
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return regmap_update_bits(data->regmap, ATLAS_REG_INT_CONTROL,
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ATLAS_REG_INT_CONTROL_EN,
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state ? ATLAS_REG_INT_CONTROL_EN : 0);
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}
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static int atlas_buffer_postenable(struct iio_dev *indio_dev)
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{
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struct atlas_data *data = iio_priv(indio_dev);
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int ret;
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ret = pm_runtime_get_sync(&data->client->dev);
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if (ret < 0) {
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pm_runtime_put_noidle(&data->client->dev);
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return ret;
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}
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return atlas_set_interrupt(data, true);
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}
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static int atlas_buffer_predisable(struct iio_dev *indio_dev)
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{
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struct atlas_data *data = iio_priv(indio_dev);
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int ret;
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ret = atlas_set_interrupt(data, false);
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if (ret)
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return ret;
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pm_runtime_mark_last_busy(&data->client->dev);
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ret = pm_runtime_put_autosuspend(&data->client->dev);
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if (ret)
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return ret;
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return 0;
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}
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static const struct iio_trigger_ops atlas_interrupt_trigger_ops = {
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};
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static const struct iio_buffer_setup_ops atlas_buffer_setup_ops = {
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.postenable = atlas_buffer_postenable,
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.predisable = atlas_buffer_predisable,
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};
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static void atlas_work_handler(struct irq_work *work)
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{
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struct atlas_data *data = container_of(work, struct atlas_data, work);
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iio_trigger_poll(data->trig);
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}
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static irqreturn_t atlas_trigger_handler(int irq, void *private)
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{
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struct iio_poll_func *pf = private;
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struct iio_dev *indio_dev = pf->indio_dev;
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struct atlas_data *data = iio_priv(indio_dev);
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int channels = atlas_buffer_num_channels(data->chip->channels);
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int ret;
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ret = regmap_bulk_read(data->regmap, data->chip->data_reg,
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&data->buffer, sizeof(__be32) * channels);
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if (!ret)
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iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
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iio_get_time_ns(indio_dev));
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iio_trigger_notify_done(indio_dev->trig);
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return IRQ_HANDLED;
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}
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static irqreturn_t atlas_interrupt_handler(int irq, void *private)
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{
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struct iio_dev *indio_dev = private;
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struct atlas_data *data = iio_priv(indio_dev);
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irq_work_queue(&data->work);
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return IRQ_HANDLED;
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}
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static int atlas_read_measurement(struct atlas_data *data, int reg, __be32 *val)
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{
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struct device *dev = &data->client->dev;
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int suspended = pm_runtime_suspended(dev);
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int ret;
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ret = pm_runtime_get_sync(dev);
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if (ret < 0) {
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pm_runtime_put_noidle(dev);
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return ret;
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}
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if (suspended)
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msleep(data->chip->delay);
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ret = regmap_bulk_read(data->regmap, reg, val, sizeof(*val));
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pm_runtime_mark_last_busy(dev);
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pm_runtime_put_autosuspend(dev);
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return ret;
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}
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static int atlas_read_raw(struct iio_dev *indio_dev,
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struct iio_chan_spec const *chan,
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int *val, int *val2, long mask)
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{
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struct atlas_data *data = iio_priv(indio_dev);
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switch (mask) {
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case IIO_CHAN_INFO_PROCESSED:
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case IIO_CHAN_INFO_RAW: {
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int ret;
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__be32 reg;
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switch (chan->type) {
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case IIO_TEMP:
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ret = regmap_bulk_read(data->regmap, chan->address,
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®, sizeof(reg));
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break;
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case IIO_PH:
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case IIO_CONCENTRATION:
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case IIO_ELECTRICALCONDUCTIVITY:
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case IIO_VOLTAGE:
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ret = iio_device_claim_direct_mode(indio_dev);
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if (ret)
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return ret;
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ret = atlas_read_measurement(data, chan->address, ®);
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iio_device_release_direct_mode(indio_dev);
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break;
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default:
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ret = -EINVAL;
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}
|
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if (!ret) {
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*val = be32_to_cpu(reg);
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ret = IIO_VAL_INT;
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}
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return ret;
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}
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case IIO_CHAN_INFO_SCALE:
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switch (chan->type) {
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case IIO_TEMP:
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*val = 10;
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return IIO_VAL_INT;
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case IIO_PH:
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*val = 1; /* 0.001 */
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*val2 = 1000;
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break;
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case IIO_ELECTRICALCONDUCTIVITY:
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*val = 1; /* 0.00001 */
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*val2 = 100000;
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break;
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case IIO_CONCENTRATION:
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*val = 0; /* 0.000000001 */
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*val2 = 1000;
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return IIO_VAL_INT_PLUS_NANO;
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case IIO_VOLTAGE:
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*val = 1; /* 0.1 */
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*val2 = 10;
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break;
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default:
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return -EINVAL;
|
}
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return IIO_VAL_FRACTIONAL;
|
}
|
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return -EINVAL;
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}
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static int atlas_write_raw(struct iio_dev *indio_dev,
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struct iio_chan_spec const *chan,
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int val, int val2, long mask)
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{
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struct atlas_data *data = iio_priv(indio_dev);
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__be32 reg = cpu_to_be32(val / 10);
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if (val2 != 0 || val < 0 || val > 20000)
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return -EINVAL;
|
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if (mask != IIO_CHAN_INFO_RAW || chan->type != IIO_TEMP)
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return -EINVAL;
|
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return regmap_bulk_write(data->regmap, chan->address,
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®, sizeof(reg));
|
}
|
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static const struct iio_info atlas_info = {
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.read_raw = atlas_read_raw,
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.write_raw = atlas_write_raw,
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};
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static const struct i2c_device_id atlas_id[] = {
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{ "atlas-ph-sm", ATLAS_PH_SM},
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{ "atlas-ec-sm", ATLAS_EC_SM},
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{ "atlas-orp-sm", ATLAS_ORP_SM},
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{ "atlas-do-sm", ATLAS_DO_SM},
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{ "atlas-rtd-sm", ATLAS_RTD_SM},
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{}
|
};
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MODULE_DEVICE_TABLE(i2c, atlas_id);
|
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static const struct of_device_id atlas_dt_ids[] = {
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{ .compatible = "atlas,ph-sm", .data = (void *)ATLAS_PH_SM, },
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{ .compatible = "atlas,ec-sm", .data = (void *)ATLAS_EC_SM, },
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{ .compatible = "atlas,orp-sm", .data = (void *)ATLAS_ORP_SM, },
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{ .compatible = "atlas,do-sm", .data = (void *)ATLAS_DO_SM, },
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{ .compatible = "atlas,rtd-sm", .data = (void *)ATLAS_RTD_SM, },
|
{ }
|
};
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MODULE_DEVICE_TABLE(of, atlas_dt_ids);
|
|
static int atlas_probe(struct i2c_client *client,
|
const struct i2c_device_id *id)
|
{
|
struct atlas_data *data;
|
struct atlas_device *chip;
|
struct iio_trigger *trig;
|
struct iio_dev *indio_dev;
|
int ret;
|
|
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
|
if (!indio_dev)
|
return -ENOMEM;
|
|
if (!dev_fwnode(&client->dev))
|
chip = &atlas_devices[id->driver_data];
|
else
|
chip = &atlas_devices[(unsigned long)device_get_match_data(&client->dev)];
|
|
indio_dev->info = &atlas_info;
|
indio_dev->name = ATLAS_DRV_NAME;
|
indio_dev->channels = chip->channels;
|
indio_dev->num_channels = chip->num_channels;
|
indio_dev->modes = INDIO_BUFFER_SOFTWARE | INDIO_DIRECT_MODE;
|
|
trig = devm_iio_trigger_alloc(&client->dev, "%s-dev%d",
|
indio_dev->name, indio_dev->id);
|
|
if (!trig)
|
return -ENOMEM;
|
|
data = iio_priv(indio_dev);
|
data->client = client;
|
data->trig = trig;
|
data->chip = chip;
|
trig->dev.parent = indio_dev->dev.parent;
|
trig->ops = &atlas_interrupt_trigger_ops;
|
iio_trigger_set_drvdata(trig, indio_dev);
|
|
i2c_set_clientdata(client, indio_dev);
|
|
data->regmap = devm_regmap_init_i2c(client, &atlas_regmap_config);
|
if (IS_ERR(data->regmap)) {
|
dev_err(&client->dev, "regmap initialization failed\n");
|
return PTR_ERR(data->regmap);
|
}
|
|
ret = pm_runtime_set_active(&client->dev);
|
if (ret)
|
return ret;
|
|
ret = chip->calibration(data);
|
if (ret)
|
return ret;
|
|
ret = iio_trigger_register(trig);
|
if (ret) {
|
dev_err(&client->dev, "failed to register trigger\n");
|
return ret;
|
}
|
|
ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
|
&atlas_trigger_handler, &atlas_buffer_setup_ops);
|
if (ret) {
|
dev_err(&client->dev, "cannot setup iio trigger\n");
|
goto unregister_trigger;
|
}
|
|
init_irq_work(&data->work, atlas_work_handler);
|
|
if (client->irq > 0) {
|
/* interrupt pin toggles on new conversion */
|
ret = devm_request_threaded_irq(&client->dev, client->irq,
|
NULL, atlas_interrupt_handler,
|
IRQF_TRIGGER_RISING |
|
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
|
"atlas_irq",
|
indio_dev);
|
|
if (ret)
|
dev_warn(&client->dev,
|
"request irq (%d) failed\n", client->irq);
|
else
|
data->interrupt_enabled = 1;
|
}
|
|
ret = atlas_set_powermode(data, 1);
|
if (ret) {
|
dev_err(&client->dev, "cannot power device on");
|
goto unregister_buffer;
|
}
|
|
pm_runtime_enable(&client->dev);
|
pm_runtime_set_autosuspend_delay(&client->dev, 2500);
|
pm_runtime_use_autosuspend(&client->dev);
|
|
ret = iio_device_register(indio_dev);
|
if (ret) {
|
dev_err(&client->dev, "unable to register device\n");
|
goto unregister_pm;
|
}
|
|
return 0;
|
|
unregister_pm:
|
pm_runtime_disable(&client->dev);
|
atlas_set_powermode(data, 0);
|
|
unregister_buffer:
|
iio_triggered_buffer_cleanup(indio_dev);
|
|
unregister_trigger:
|
iio_trigger_unregister(data->trig);
|
|
return ret;
|
}
|
|
static int atlas_remove(struct i2c_client *client)
|
{
|
struct iio_dev *indio_dev = i2c_get_clientdata(client);
|
struct atlas_data *data = iio_priv(indio_dev);
|
|
iio_device_unregister(indio_dev);
|
iio_triggered_buffer_cleanup(indio_dev);
|
iio_trigger_unregister(data->trig);
|
|
pm_runtime_disable(&client->dev);
|
pm_runtime_set_suspended(&client->dev);
|
pm_runtime_put_noidle(&client->dev);
|
|
return atlas_set_powermode(data, 0);
|
}
|
|
#ifdef CONFIG_PM
|
static int atlas_runtime_suspend(struct device *dev)
|
{
|
struct atlas_data *data =
|
iio_priv(i2c_get_clientdata(to_i2c_client(dev)));
|
|
return atlas_set_powermode(data, 0);
|
}
|
|
static int atlas_runtime_resume(struct device *dev)
|
{
|
struct atlas_data *data =
|
iio_priv(i2c_get_clientdata(to_i2c_client(dev)));
|
|
return atlas_set_powermode(data, 1);
|
}
|
#endif
|
|
static const struct dev_pm_ops atlas_pm_ops = {
|
SET_RUNTIME_PM_OPS(atlas_runtime_suspend,
|
atlas_runtime_resume, NULL)
|
};
|
|
static struct i2c_driver atlas_driver = {
|
.driver = {
|
.name = ATLAS_DRV_NAME,
|
.of_match_table = atlas_dt_ids,
|
.pm = &atlas_pm_ops,
|
},
|
.probe = atlas_probe,
|
.remove = atlas_remove,
|
.id_table = atlas_id,
|
};
|
module_i2c_driver(atlas_driver);
|
|
MODULE_AUTHOR("Matt Ranostay <matt.ranostay@konsulko.com>");
|
MODULE_DESCRIPTION("Atlas Scientific SM sensors");
|
MODULE_LICENSE("GPL");
|
