// SPDX-License-Identifier: GPL-2.0+ /* * ADT7316 digital temperature sensor driver supporting ADT7316/7/8 ADT7516/7/9 * * Copyright 2010 Analog Devices Inc. */ #include <linux/interrupt.h> #include <linux/gpio/consumer.h> #include <linux/irq.h> #include <linux/workqueue.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/sysfs.h> #include <linux/list.h> #include <linux/i2c.h> #include <linux/rtc.h> #include <linux/module.h> #include <linux/iio/iio.h> #include <linux/iio/events.h> #include <linux/iio/sysfs.h> #include "adt7316.h" /* * ADT7316 registers definition */ #define ADT7316_INT_STAT1 … #define ADT7316_INT_STAT2 … #define ADT7316_LSB_IN_TEMP_VDD … #define ADT7316_LSB_IN_TEMP_MASK … #define ADT7316_LSB_VDD_MASK … #define ADT7316_LSB_VDD_OFFSET … #define ADT7316_LSB_EX_TEMP_AIN … #define ADT7316_LSB_EX_TEMP_MASK … #define ADT7516_LSB_AIN_SHIFT … #define ADT7316_AD_MSB_DATA_BASE … #define ADT7316_AD_MSB_DATA_REGS … #define ADT7516_AD_MSB_DATA_REGS … #define ADT7316_MSB_VDD … #define ADT7316_MSB_IN_TEMP … #define ADT7316_MSB_EX_TEMP … #define ADT7516_MSB_AIN1 … #define ADT7516_MSB_AIN2 … #define ADT7516_MSB_AIN3 … #define ADT7516_MSB_AIN4 … #define ADT7316_DA_DATA_BASE … #define ADT7316_DA_10_BIT_LSB_SHIFT … #define ADT7316_DA_12_BIT_LSB_SHIFT … #define ADT7316_DA_MSB_DATA_REGS … #define ADT7316_LSB_DAC_A … #define ADT7316_MSB_DAC_A … #define ADT7316_LSB_DAC_B … #define ADT7316_MSB_DAC_B … #define ADT7316_LSB_DAC_C … #define ADT7316_MSB_DAC_C … #define ADT7316_LSB_DAC_D … #define ADT7316_MSB_DAC_D … #define ADT7316_CONFIG1 … #define ADT7316_CONFIG2 … #define ADT7316_CONFIG3 … #define ADT7316_DAC_CONFIG … #define ADT7316_LDAC_CONFIG … #define ADT7316_INT_MASK1 … #define ADT7316_INT_MASK2 … #define ADT7316_IN_TEMP_OFFSET … #define ADT7316_EX_TEMP_OFFSET … #define ADT7316_IN_ANALOG_TEMP_OFFSET … #define ADT7316_EX_ANALOG_TEMP_OFFSET … #define ADT7316_VDD_HIGH … #define ADT7316_VDD_LOW … #define ADT7316_IN_TEMP_HIGH … #define ADT7316_IN_TEMP_LOW … #define ADT7316_EX_TEMP_HIGH … #define ADT7316_EX_TEMP_LOW … #define ADT7516_AIN2_HIGH … #define ADT7516_AIN2_LOW … #define ADT7516_AIN3_HIGH … #define ADT7516_AIN3_LOW … #define ADT7516_AIN4_HIGH … #define ADT7516_AIN4_LOW … #define ADT7316_DEVICE_ID … #define ADT7316_MANUFACTURE_ID … #define ADT7316_DEVICE_REV … #define ADT7316_SPI_LOCK_STAT … /* * ADT7316 config1 */ #define ADT7316_EN … #define ADT7516_SEL_EX_TEMP … #define ADT7516_SEL_AIN1_2_EX_TEMP_MASK … #define ADT7516_SEL_AIN3 … #define ADT7316_INT_EN … #define ADT7316_INT_POLARITY … #define ADT7316_PD … /* * ADT7316 config2 */ #define ADT7316_AD_SINGLE_CH_MASK … #define ADT7516_AD_SINGLE_CH_MASK … #define ADT7316_AD_SINGLE_CH_VDD … #define ADT7316_AD_SINGLE_CH_IN … #define ADT7316_AD_SINGLE_CH_EX … #define ADT7516_AD_SINGLE_CH_AIN1 … #define ADT7516_AD_SINGLE_CH_AIN2 … #define ADT7516_AD_SINGLE_CH_AIN3 … #define ADT7516_AD_SINGLE_CH_AIN4 … #define ADT7316_AD_SINGLE_CH_MODE … #define ADT7316_DISABLE_AVERAGING … #define ADT7316_EN_SMBUS_TIMEOUT … #define ADT7316_RESET … /* * ADT7316 config3 */ #define ADT7316_ADCLK_22_5 … #define ADT7316_DA_HIGH_RESOLUTION … #define ADT7316_DA_EN_VIA_DAC_LDAC … #define ADT7516_AIN_IN_VREF … #define ADT7316_EN_IN_TEMP_PROP_DACA … #define ADT7316_EN_EX_TEMP_PROP_DACB … /* * ADT7316 DAC config */ #define ADT7316_DA_2VREF_CH_MASK … #define ADT7316_DA_EN_MODE_MASK … #define ADT7316_DA_EN_MODE_SHIFT … #define ADT7316_DA_EN_MODE_SINGLE … #define ADT7316_DA_EN_MODE_AB_CD … #define ADT7316_DA_EN_MODE_ABCD … #define ADT7316_DA_EN_MODE_LDAC … #define ADT7316_VREF_BYPASS_DAC_AB … #define ADT7316_VREF_BYPASS_DAC_CD … /* * ADT7316 LDAC config */ #define ADT7316_LDAC_EN_DA_MASK … #define ADT7316_DAC_IN_VREF … #define ADT7516_DAC_AB_IN_VREF … #define ADT7516_DAC_CD_IN_VREF … #define ADT7516_DAC_IN_VREF_OFFSET … #define ADT7516_DAC_IN_VREF_MASK … /* * ADT7316 INT_MASK2 */ #define ADT7316_INT_MASK2_VDD … /* * ADT7316 value masks */ #define ADT7316_VALUE_MASK … #define ADT7316_T_VALUE_SIGN … #define ADT7316_T_VALUE_FLOAT_OFFSET … #define ADT7316_T_VALUE_FLOAT_MASK … /* * Chip ID */ #define ID_ADT7316 … #define ID_ADT7317 … #define ID_ADT7318 … #define ID_ADT7516 … #define ID_ADT7517 … #define ID_ADT7519 … #define ID_FAMILY_MASK … #define ID_ADT73XX … #define ID_ADT75XX … /* * struct adt7316_chip_info - chip specific information */ struct adt7316_chip_info { … }; /* * Logic interrupt mask for user application to enable * interrupts. */ #define ADT7316_IN_TEMP_HIGH_INT_MASK … #define ADT7316_IN_TEMP_LOW_INT_MASK … #define ADT7316_EX_TEMP_HIGH_INT_MASK … #define ADT7316_EX_TEMP_LOW_INT_MASK … #define ADT7316_EX_TEMP_FAULT_INT_MASK … #define ADT7516_AIN1_INT_MASK … #define ADT7516_AIN2_INT_MASK … #define ADT7516_AIN3_INT_MASK … #define ADT7516_AIN4_INT_MASK … #define ADT7316_VDD_INT_MASK … #define ADT7316_TEMP_INT_MASK … #define ADT7516_AIN_INT_MASK … #define ADT7316_TEMP_AIN_INT_MASK … static ssize_t adt7316_show_enabled(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t _adt7316_store_enabled(struct adt7316_chip_info *chip, int enable) { … } static ssize_t adt7316_store_enabled(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(enabled, 0644, adt7316_show_enabled, adt7316_store_enabled, 0); static ssize_t adt7316_show_select_ex_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_select_ex_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(select_ex_temp, 0644, adt7316_show_select_ex_temp, adt7316_store_select_ex_temp, 0); static ssize_t adt7316_show_mode(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(mode, 0644, adt7316_show_mode, adt7316_store_mode, 0); static ssize_t adt7316_show_all_modes(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(all_modes, 0444, adt7316_show_all_modes, NULL, 0); static ssize_t adt7316_show_ad_channel(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_ad_channel(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(ad_channel, 0644, adt7316_show_ad_channel, adt7316_store_ad_channel, 0); static ssize_t adt7316_show_all_ad_channels(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(all_ad_channels, 0444, adt7316_show_all_ad_channels, NULL, 0); static ssize_t adt7316_show_disable_averaging(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_disable_averaging(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(disable_averaging, 0644, adt7316_show_disable_averaging, adt7316_store_disable_averaging, 0); static ssize_t adt7316_show_enable_smbus_timeout(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_enable_smbus_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(enable_smbus_timeout, 0644, adt7316_show_enable_smbus_timeout, adt7316_store_enable_smbus_timeout, 0); static ssize_t adt7316_show_powerdown(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_powerdown(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(powerdown, 0644, adt7316_show_powerdown, adt7316_store_powerdown, 0); static ssize_t adt7316_show_fast_ad_clock(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_fast_ad_clock(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(fast_ad_clock, 0644, adt7316_show_fast_ad_clock, adt7316_store_fast_ad_clock, 0); static ssize_t adt7316_show_da_high_resolution(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_da_high_resolution(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(da_high_resolution, 0644, adt7316_show_da_high_resolution, adt7316_store_da_high_resolution, 0); static ssize_t adt7316_show_AIN_internal_Vref(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_AIN_internal_Vref(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(AIN_internal_Vref, 0644, adt7316_show_AIN_internal_Vref, adt7316_store_AIN_internal_Vref, 0); static ssize_t adt7316_show_enable_prop_DACA(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_enable_prop_DACA(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(enable_proportion_DACA, 0644, adt7316_show_enable_prop_DACA, adt7316_store_enable_prop_DACA, 0); static ssize_t adt7316_show_enable_prop_DACB(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_enable_prop_DACB(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(enable_proportion_DACB, 0644, adt7316_show_enable_prop_DACB, adt7316_store_enable_prop_DACB, 0); static ssize_t adt7316_show_DAC_2Vref_ch_mask(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_2Vref_ch_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_2Vref_channels_mask, 0644, adt7316_show_DAC_2Vref_ch_mask, adt7316_store_DAC_2Vref_ch_mask, 0); static ssize_t adt7316_show_DAC_update_mode(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_update_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_update_mode, 0644, adt7316_show_DAC_update_mode, adt7316_store_DAC_update_mode, 0); static ssize_t adt7316_show_all_DAC_update_modes(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(all_DAC_update_modes, 0444, adt7316_show_all_DAC_update_modes, NULL, 0); static ssize_t adt7316_store_update_DAC(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(update_DAC, 0644, NULL, adt7316_store_update_DAC, 0); static ssize_t adt7316_show_DA_AB_Vref_bypass(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DA_AB_Vref_bypass(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DA_AB_Vref_bypass, 0644, adt7316_show_DA_AB_Vref_bypass, adt7316_store_DA_AB_Vref_bypass, 0); static ssize_t adt7316_show_DA_CD_Vref_bypass(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DA_CD_Vref_bypass(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DA_CD_Vref_bypass, 0644, adt7316_show_DA_CD_Vref_bypass, adt7316_store_DA_CD_Vref_bypass, 0); static ssize_t adt7316_show_DAC_internal_Vref(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_internal_Vref(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_internal_Vref, 0644, adt7316_show_DAC_internal_Vref, adt7316_store_DAC_internal_Vref, 0); static ssize_t adt7316_show_ad(struct adt7316_chip_info *chip, int channel, char *buf) { … } static ssize_t adt7316_show_VDD(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(VDD, 0444, adt7316_show_VDD, NULL, 0); static ssize_t adt7316_show_in_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(in_temp, 0444, adt7316_show_in_temp, NULL, 0); static ssize_t adt7316_show_ex_temp_AIN1(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(ex_temp_AIN1, 0444, adt7316_show_ex_temp_AIN1, NULL, 0); static IIO_DEVICE_ATTR(ex_temp, 0444, adt7316_show_ex_temp_AIN1, NULL, 0); static ssize_t adt7316_show_AIN2(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(AIN2, 0444, adt7316_show_AIN2, NULL, 0); static ssize_t adt7316_show_AIN3(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(AIN3, 0444, adt7316_show_AIN3, NULL, 0); static ssize_t adt7316_show_AIN4(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(AIN4, 0444, adt7316_show_AIN4, NULL, 0); static ssize_t adt7316_show_temp_offset(struct adt7316_chip_info *chip, int offset_addr, char *buf) { … } static ssize_t adt7316_store_temp_offset(struct adt7316_chip_info *chip, int offset_addr, const char *buf, size_t len) { … } static ssize_t adt7316_show_in_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_in_temp_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(in_temp_offset, 0644, adt7316_show_in_temp_offset, adt7316_store_in_temp_offset, 0); static ssize_t adt7316_show_ex_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_ex_temp_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(ex_temp_offset, 0644, adt7316_show_ex_temp_offset, adt7316_store_ex_temp_offset, 0); static ssize_t adt7316_show_in_analog_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_in_analog_temp_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(in_analog_temp_offset, 0644, adt7316_show_in_analog_temp_offset, adt7316_store_in_analog_temp_offset, 0); static ssize_t adt7316_show_ex_analog_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_ex_analog_temp_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(ex_analog_temp_offset, 0644, adt7316_show_ex_analog_temp_offset, adt7316_store_ex_analog_temp_offset, 0); static ssize_t adt7316_show_DAC(struct adt7316_chip_info *chip, int channel, char *buf) { … } static ssize_t adt7316_store_DAC(struct adt7316_chip_info *chip, int channel, const char *buf, size_t len) { … } static ssize_t adt7316_show_DAC_A(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_A(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_A, 0644, adt7316_show_DAC_A, adt7316_store_DAC_A, 0); static ssize_t adt7316_show_DAC_B(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_B(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_B, 0644, adt7316_show_DAC_B, adt7316_store_DAC_B, 0); static ssize_t adt7316_show_DAC_C(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_C(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_C, 0644, adt7316_show_DAC_C, adt7316_store_DAC_C, 0); static ssize_t adt7316_show_DAC_D(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_store_DAC_D(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(DAC_D, 0644, adt7316_show_DAC_D, adt7316_store_DAC_D, 0); static ssize_t adt7316_show_device_id(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(device_id, 0444, adt7316_show_device_id, NULL, 0); static ssize_t adt7316_show_manufactorer_id(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(manufactorer_id, 0444, adt7316_show_manufactorer_id, NULL, 0); static ssize_t adt7316_show_device_rev(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(device_rev, 0444, adt7316_show_device_rev, NULL, 0); static ssize_t adt7316_show_bus_type(struct device *dev, struct device_attribute *attr, char *buf) { … } static IIO_DEVICE_ATTR(bus_type, 0444, adt7316_show_bus_type, NULL, 0); static struct attribute *adt7316_attributes[] = …; static const struct attribute_group adt7316_attribute_group = …; static struct attribute *adt7516_attributes[] = …; static const struct attribute_group adt7516_attribute_group = …; static irqreturn_t adt7316_event_handler(int irq, void *private) { … } static int adt7316_setup_irq(struct iio_dev *indio_dev) { … } /* * Show mask of enabled interrupts in Hex. */ static ssize_t adt7316_show_int_mask(struct device *dev, struct device_attribute *attr, char *buf) { … } /* * Set 1 to the mask in Hex to enabled interrupts. */ static ssize_t adt7316_set_int_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static inline ssize_t adt7316_show_ad_bound(struct device *dev, struct device_attribute *attr, char *buf) { … } static inline ssize_t adt7316_set_ad_bound(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static ssize_t adt7316_show_int_enabled(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t adt7316_set_int_enabled(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static IIO_DEVICE_ATTR(int_mask, 0644, adt7316_show_int_mask, adt7316_set_int_mask, 0); static IIO_DEVICE_ATTR(in_temp_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_IN_TEMP_HIGH); static IIO_DEVICE_ATTR(in_temp_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_IN_TEMP_LOW); static IIO_DEVICE_ATTR(ex_temp_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_EX_TEMP_HIGH); static IIO_DEVICE_ATTR(ex_temp_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_EX_TEMP_LOW); /* NASTY duplication to be fixed */ static IIO_DEVICE_ATTR(ex_temp_ain1_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_EX_TEMP_HIGH); static IIO_DEVICE_ATTR(ex_temp_ain1_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7316_EX_TEMP_LOW); static IIO_DEVICE_ATTR(ain2_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN2_HIGH); static IIO_DEVICE_ATTR(ain2_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN2_LOW); static IIO_DEVICE_ATTR(ain3_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN3_HIGH); static IIO_DEVICE_ATTR(ain3_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN3_LOW); static IIO_DEVICE_ATTR(ain4_high_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN4_HIGH); static IIO_DEVICE_ATTR(ain4_low_value, 0644, adt7316_show_ad_bound, adt7316_set_ad_bound, ADT7516_AIN4_LOW); static IIO_DEVICE_ATTR(int_enabled, 0644, adt7316_show_int_enabled, adt7316_set_int_enabled, 0); static struct attribute *adt7316_event_attributes[] = …; static const struct attribute_group adt7316_event_attribute_group = …; static struct attribute *adt7516_event_attributes[] = …; static const struct attribute_group adt7516_event_attribute_group = …; #ifdef CONFIG_PM_SLEEP static int adt7316_disable(struct device *dev) { … } static int adt7316_enable(struct device *dev) { … } EXPORT_SYMBOL_GPL(…); SIMPLE_DEV_PM_OPS(adt7316_pm_ops, adt7316_disable, adt7316_enable); #endif static const struct iio_info adt7316_info = …; static const struct iio_info adt7516_info = …; /* * device probe and remove */ int adt7316_probe(struct device *dev, struct adt7316_bus *bus, const char *name) { … } EXPORT_SYMBOL(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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