staging:iio: Remove adt7410 driver
authorLars-Peter Clausen <lars@metafoo.de>
Mon, 18 Feb 2013 13:38:00 +0000 (13:38 +0000)
committerJonathan Cameron <jic23@kernel.org>
Sat, 16 Mar 2013 10:17:57 +0000 (10:17 +0000)
The adt7410 hwmon driver is feature wise more or less on par with the IIO
driver. So we can finally remove the IIO driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/staging/iio/adc/Kconfig
drivers/staging/iio/adc/Makefile
drivers/staging/iio/adc/adt7410.c [deleted file]

index 7b2a01d..d990829 100644 (file)
@@ -90,13 +90,6 @@ config AD7192
          To compile this driver as a module, choose M here: the
          module will be called ad7192.
 
-config ADT7410
-       tristate "Analog Devices ADT7310/ADT7410 temperature sensor driver"
-       depends on I2C || SPI_MASTER
-       help
-         Say yes here to build support for Analog Devices ADT7310/ADT7410
-         temperature sensors.
-
 config AD7280
        tristate "Analog Devices AD7280A Lithium Ion Battery Monitoring System"
        depends on SPI
index d285596..3e9fb14 100644 (file)
@@ -16,7 +16,6 @@ obj-$(CONFIG_AD7291) += ad7291.o
 obj-$(CONFIG_AD7780) += ad7780.o
 obj-$(CONFIG_AD7816) += ad7816.o
 obj-$(CONFIG_AD7192) += ad7192.o
-obj-$(CONFIG_ADT7410) += adt7410.o
 obj-$(CONFIG_AD7280) += ad7280a.o
 obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o
 obj-$(CONFIG_MXS_LRADC) += mxs-lradc.o
diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
deleted file mode 100644 (file)
index 35455e1..0000000
+++ /dev/null
@@ -1,1102 +0,0 @@
-/*
- * ADT7410 digital temperature sensor driver supporting ADT7310/ADT7410
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/interrupt.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/spi/spi.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/events.h>
-
-/*
- * ADT7410 registers definition
- */
-
-#define ADT7410_TEMPERATURE            0
-#define ADT7410_STATUS                 2
-#define ADT7410_CONFIG                 3
-#define ADT7410_T_ALARM_HIGH           4
-#define ADT7410_T_ALARM_LOW            6
-#define ADT7410_T_CRIT                 8
-#define ADT7410_T_HYST                 0xA
-#define ADT7410_ID                     0xB
-#define ADT7410_RESET                  0x2F
-
-/*
- * ADT7310 registers definition
- */
-
-#define ADT7310_STATUS                 0
-#define ADT7310_CONFIG                 1
-#define ADT7310_TEMPERATURE            2
-#define ADT7310_ID                     3
-#define ADT7310_T_CRIT                 4
-#define ADT7310_T_HYST                 5
-#define ADT7310_T_ALARM_HIGH           6
-#define ADT7310_T_ALARM_LOW            7
-
-/*
- * ADT7410 status
- */
-#define ADT7410_STAT_T_LOW             0x10
-#define ADT7410_STAT_T_HIGH            0x20
-#define ADT7410_STAT_T_CRIT            0x40
-#define ADT7410_STAT_NOT_RDY           0x80
-
-/*
- * ADT7410 config
- */
-#define ADT7410_FAULT_QUEUE_MASK       0x3
-#define ADT7410_CT_POLARITY            0x4
-#define ADT7410_INT_POLARITY           0x8
-#define ADT7410_EVENT_MODE             0x10
-#define ADT7410_MODE_MASK              0x60
-#define ADT7410_ONESHOT                        0x20
-#define ADT7410_SPS                    0x40
-#define ADT7410_PD                     0x60
-#define ADT7410_RESOLUTION             0x80
-
-/*
- * ADT7410 masks
- */
-#define ADT7410_T16_VALUE_SIGN                 0x8000
-#define ADT7410_T16_VALUE_FLOAT_OFFSET         7
-#define ADT7410_T16_VALUE_FLOAT_MASK           0x7F
-#define ADT7410_T13_VALUE_SIGN                 0x1000
-#define ADT7410_T13_VALUE_OFFSET               3
-#define ADT7410_T13_VALUE_FLOAT_OFFSET         4
-#define ADT7410_T13_VALUE_FLOAT_MASK           0xF
-#define ADT7410_T_HYST_MASK                    0xF
-#define ADT7410_DEVICE_ID_MASK                 0xF
-#define ADT7410_MANUFACTORY_ID_MASK            0xF0
-#define ADT7410_MANUFACTORY_ID_OFFSET          4
-
-
-#define ADT7310_CMD_REG_MASK                   0x28
-#define ADT7310_CMD_REG_OFFSET                 3
-#define ADT7310_CMD_READ                       0x40
-#define ADT7310_CMD_CON_READ                   0x4
-
-#define ADT7410_IRQS                           2
-
-/*
- * struct adt7410_chip_info - chip specifc information
- */
-
-struct adt7410_chip_info;
-
-struct adt7410_ops {
-       int (*read_word)(struct adt7410_chip_info *, u8 reg, u16 *data);
-       int (*write_word)(struct adt7410_chip_info *, u8 reg, u16 data);
-       int (*read_byte)(struct adt7410_chip_info *, u8 reg, u8 *data);
-       int (*write_byte)(struct adt7410_chip_info *, u8 reg, u8 data);
-};
-
-struct adt7410_chip_info {
-       struct device *dev;
-       u8  config;
-
-       const struct adt7410_ops *ops;
-};
-
-static int adt7410_read_word(struct adt7410_chip_info *chip, u8 reg, u16 *data)
-{
-       return chip->ops->read_word(chip, reg, data);
-}
-
-static int adt7410_write_word(struct adt7410_chip_info *chip, u8 reg, u16 data)
-{
-       return chip->ops->write_word(chip, reg, data);
-}
-
-static int adt7410_read_byte(struct adt7410_chip_info *chip, u8 reg, u8 *data)
-{
-       return chip->ops->read_byte(chip, reg, data);
-}
-
-static int adt7410_write_byte(struct adt7410_chip_info *chip, u8 reg, u8 data)
-{
-       return chip->ops->write_byte(chip, reg, data);
-}
-
-static ssize_t adt7410_show_mode(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u8 config;
-
-       config = chip->config & ADT7410_MODE_MASK;
-
-       switch (config) {
-       case ADT7410_PD:
-               return sprintf(buf, "power-down\n");
-       case ADT7410_ONESHOT:
-               return sprintf(buf, "one-shot\n");
-       case ADT7410_SPS:
-               return sprintf(buf, "sps\n");
-       default:
-               return sprintf(buf, "full\n");
-       }
-}
-
-static ssize_t adt7410_store_mode(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u16 config;
-       int ret;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       config = chip->config & (~ADT7410_MODE_MASK);
-       if (strcmp(buf, "power-down"))
-               config |= ADT7410_PD;
-       else if (strcmp(buf, "one-shot"))
-               config |= ADT7410_ONESHOT;
-       else if (strcmp(buf, "sps"))
-               config |= ADT7410_SPS;
-
-       ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
-       if (ret)
-               return -EIO;
-
-       chip->config = config;
-
-       return len;
-}
-
-static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
-               adt7410_show_mode,
-               adt7410_store_mode,
-               0);
-
-static ssize_t adt7410_show_available_modes(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       return sprintf(buf, "full\none-shot\nsps\npower-down\n");
-}
-
-static IIO_DEVICE_ATTR(available_modes, S_IRUGO, adt7410_show_available_modes, NULL, 0);
-
-static ssize_t adt7410_show_resolution(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       int ret;
-       int bits;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       if (chip->config & ADT7410_RESOLUTION)
-               bits = 16;
-       else
-               bits = 13;
-
-       return sprintf(buf, "%d bits\n", bits);
-}
-
-static ssize_t adt7410_store_resolution(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       unsigned long data;
-       u16 config;
-       int ret;
-
-       ret = strict_strtoul(buf, 10, &data);
-       if (ret)
-               return -EINVAL;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       config = chip->config & (~ADT7410_RESOLUTION);
-       if (data)
-               config |= ADT7410_RESOLUTION;
-
-       ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
-       if (ret)
-               return -EIO;
-
-       chip->config = config;
-
-       return len;
-}
-
-static IIO_DEVICE_ATTR(resolution, S_IRUGO | S_IWUSR,
-               adt7410_show_resolution,
-               adt7410_store_resolution,
-               0);
-
-static ssize_t adt7410_show_id(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u8 id;
-       int ret;
-
-       ret = adt7410_read_byte(chip, ADT7410_ID, &id);
-       if (ret)
-               return -EIO;
-
-       return sprintf(buf, "device id: 0x%x\nmanufactory id: 0x%x\n",
-                       id & ADT7410_DEVICE_ID_MASK,
-                       (id & ADT7410_MANUFACTORY_ID_MASK) >> ADT7410_MANUFACTORY_ID_OFFSET);
-}
-
-static IIO_DEVICE_ATTR(id, S_IRUGO | S_IWUSR,
-               adt7410_show_id,
-               NULL,
-               0);
-
-static ssize_t adt7410_convert_temperature(struct adt7410_chip_info *chip,
-               u16 data, char *buf)
-{
-       char sign = ' ';
-
-       if (!(chip->config & ADT7410_RESOLUTION))
-               data &= ~0x7;
-
-       if (data & ADT7410_T16_VALUE_SIGN) {
-               /* convert supplement to positive value */
-               data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
-               sign = '-';
-       }
-       return sprintf(buf, "%c%d.%.7d\n", sign,
-                       (data >> ADT7410_T16_VALUE_FLOAT_OFFSET),
-                       (data & ADT7410_T16_VALUE_FLOAT_MASK) * 78125);
-}
-
-static ssize_t adt7410_show_value(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u8 status;
-       u16 data;
-       int ret, i = 0;
-
-       do {
-               ret = adt7410_read_byte(chip, ADT7410_STATUS, &status);
-               if (ret)
-                       return -EIO;
-               i++;
-               if (i == 10000)
-                       return -EIO;
-       } while (status & ADT7410_STAT_NOT_RDY);
-
-       ret = adt7410_read_word(chip, ADT7410_TEMPERATURE, &data);
-       if (ret)
-               return -EIO;
-
-       return adt7410_convert_temperature(chip, data, buf);
-}
-
-static IIO_DEVICE_ATTR(value, S_IRUGO, adt7410_show_value, NULL, 0);
-
-static struct attribute *adt7410_attributes[] = {
-       &iio_dev_attr_available_modes.dev_attr.attr,
-       &iio_dev_attr_mode.dev_attr.attr,
-       &iio_dev_attr_resolution.dev_attr.attr,
-       &iio_dev_attr_id.dev_attr.attr,
-       &iio_dev_attr_value.dev_attr.attr,
-       NULL,
-};
-
-static const struct attribute_group adt7410_attribute_group = {
-       .attrs = adt7410_attributes,
-};
-
-static irqreturn_t adt7410_event_handler(int irq, void *private)
-{
-       struct iio_dev *indio_dev = private;
-       struct adt7410_chip_info *chip = iio_priv(indio_dev);
-       s64 timestamp = iio_get_time_ns();
-       u8 status;
-
-       if (adt7410_read_byte(chip, ADT7410_STATUS, &status))
-               return IRQ_HANDLED;
-
-       if (status & ADT7410_STAT_T_HIGH)
-               iio_push_event(indio_dev,
-                              IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
-                                                   IIO_EV_TYPE_THRESH,
-                                                   IIO_EV_DIR_RISING),
-                              timestamp);
-       if (status & ADT7410_STAT_T_LOW)
-               iio_push_event(indio_dev,
-                              IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
-                                                   IIO_EV_TYPE_THRESH,
-                                                   IIO_EV_DIR_FALLING),
-                              timestamp);
-       if (status & ADT7410_STAT_T_CRIT)
-               iio_push_event(indio_dev,
-                              IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
-                                                   IIO_EV_TYPE_THRESH,
-                                                   IIO_EV_DIR_RISING),
-                              timestamp);
-
-       return IRQ_HANDLED;
-}
-
-static ssize_t adt7410_show_event_mode(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       int ret;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       if (chip->config & ADT7410_EVENT_MODE)
-               return sprintf(buf, "interrupt\n");
-       else
-               return sprintf(buf, "comparator\n");
-}
-
-static ssize_t adt7410_set_event_mode(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u16 config;
-       int ret;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       config = chip->config &= ~ADT7410_EVENT_MODE;
-       if (strcmp(buf, "comparator") != 0)
-               config |= ADT7410_EVENT_MODE;
-
-       ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
-       if (ret)
-               return -EIO;
-
-       chip->config = config;
-
-       return ret;
-}
-
-static ssize_t adt7410_show_available_event_modes(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       return sprintf(buf, "comparator\ninterrupt\n");
-}
-
-static ssize_t adt7410_show_fault_queue(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       int ret;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       return sprintf(buf, "%d\n", chip->config & ADT7410_FAULT_QUEUE_MASK);
-}
-
-static ssize_t adt7410_set_fault_queue(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       unsigned long data;
-       int ret;
-       u8 config;
-
-       ret = strict_strtoul(buf, 10, &data);
-       if (ret || data > 3)
-               return -EINVAL;
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret)
-               return -EIO;
-
-       config = chip->config & ~ADT7410_FAULT_QUEUE_MASK;
-       config |= data;
-       ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
-       if (ret)
-               return -EIO;
-
-       chip->config = config;
-
-       return ret;
-}
-
-static inline ssize_t adt7410_show_t_bound(struct device *dev,
-               struct device_attribute *attr,
-               u8 bound_reg,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       u16 data;
-       int ret;
-
-       ret = adt7410_read_word(chip, bound_reg, &data);
-       if (ret)
-               return -EIO;
-
-       return adt7410_convert_temperature(chip, data, buf);
-}
-
-static inline ssize_t adt7410_set_t_bound(struct device *dev,
-               struct device_attribute *attr,
-               u8 bound_reg,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       long tmp1, tmp2;
-       u16 data;
-       char *pos;
-       int ret;
-
-       pos = strchr(buf, '.');
-
-       ret = strict_strtol(buf, 10, &tmp1);
-
-       if (ret || tmp1 > 127 || tmp1 < -128)
-               return -EINVAL;
-
-       if (pos) {
-               len = strlen(pos);
-
-               if (chip->config & ADT7410_RESOLUTION) {
-                       if (len > ADT7410_T16_VALUE_FLOAT_OFFSET)
-                               len = ADT7410_T16_VALUE_FLOAT_OFFSET;
-                       pos[len] = 0;
-                       ret = strict_strtol(pos, 10, &tmp2);
-
-                       if (!ret)
-                               tmp2 = (tmp2 / 78125) * 78125;
-               } else {
-                       if (len > ADT7410_T13_VALUE_FLOAT_OFFSET)
-                               len = ADT7410_T13_VALUE_FLOAT_OFFSET;
-                       pos[len] = 0;
-                       ret = strict_strtol(pos, 10, &tmp2);
-
-                       if (!ret)
-                               tmp2 = (tmp2 / 625) * 625;
-               }
-       }
-
-       if (tmp1 < 0)
-               data = (u16)(-tmp1);
-       else
-               data = (u16)tmp1;
-
-       if (chip->config & ADT7410_RESOLUTION) {
-               data = (data << ADT7410_T16_VALUE_FLOAT_OFFSET) |
-                       (tmp2 & ADT7410_T16_VALUE_FLOAT_MASK);
-
-               if (tmp1 < 0)
-                       /* convert positive value to supplyment */
-                       data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
-       } else {
-               data = (data << ADT7410_T13_VALUE_FLOAT_OFFSET) |
-                       (tmp2 & ADT7410_T13_VALUE_FLOAT_MASK);
-
-               if (tmp1 < 0)
-                       /* convert positive value to supplyment */
-                       data = (ADT7410_T13_VALUE_SIGN << 1) - data;
-               data <<= ADT7410_T13_VALUE_OFFSET;
-       }
-
-       ret = adt7410_write_word(chip, bound_reg, data);
-       if (ret)
-               return -EIO;
-
-       return ret;
-}
-
-static ssize_t adt7410_show_t_alarm_high(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       return adt7410_show_t_bound(dev, attr,
-                       ADT7410_T_ALARM_HIGH, buf);
-}
-
-static inline ssize_t adt7410_set_t_alarm_high(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       return adt7410_set_t_bound(dev, attr,
-                       ADT7410_T_ALARM_HIGH, buf, len);
-}
-
-static ssize_t adt7410_show_t_alarm_low(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       return adt7410_show_t_bound(dev, attr,
-                       ADT7410_T_ALARM_LOW, buf);
-}
-
-static inline ssize_t adt7410_set_t_alarm_low(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       return adt7410_set_t_bound(dev, attr,
-                       ADT7410_T_ALARM_LOW, buf, len);
-}
-
-static ssize_t adt7410_show_t_crit(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       return adt7410_show_t_bound(dev, attr,
-                       ADT7410_T_CRIT, buf);
-}
-
-static inline ssize_t adt7410_set_t_crit(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       return adt7410_set_t_bound(dev, attr,
-                       ADT7410_T_CRIT, buf, len);
-}
-
-static ssize_t adt7410_show_t_hyst(struct device *dev,
-               struct device_attribute *attr,
-               char *buf)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       int ret;
-       u8 t_hyst;
-
-       ret = adt7410_read_byte(chip, ADT7410_T_HYST, &t_hyst);
-       if (ret)
-               return -EIO;
-
-       return sprintf(buf, "%d\n", t_hyst & ADT7410_T_HYST_MASK);
-}
-
-static inline ssize_t adt7410_set_t_hyst(struct device *dev,
-               struct device_attribute *attr,
-               const char *buf,
-               size_t len)
-{
-       struct iio_dev *dev_info = dev_to_iio_dev(dev);
-       struct adt7410_chip_info *chip = iio_priv(dev_info);
-       int ret;
-       unsigned long data;
-       u8 t_hyst;
-
-       ret = strict_strtol(buf, 10, &data);
-
-       if (ret || data > ADT7410_T_HYST_MASK)
-               return -EINVAL;
-
-       t_hyst = (u8)data;
-
-       ret = adt7410_write_byte(chip, ADT7410_T_HYST, t_hyst);
-       if (ret)
-               return -EIO;
-
-       return ret;
-}
-
-static IIO_DEVICE_ATTR(event_mode,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_event_mode, adt7410_set_event_mode, 0);
-static IIO_DEVICE_ATTR(available_event_modes,
-                      S_IRUGO,
-                      adt7410_show_available_event_modes, NULL, 0);
-static IIO_DEVICE_ATTR(fault_queue,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_fault_queue, adt7410_set_fault_queue, 0);
-static IIO_DEVICE_ATTR(t_alarm_high,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_t_alarm_high, adt7410_set_t_alarm_high, 0);
-static IIO_DEVICE_ATTR(t_alarm_low,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_t_alarm_low, adt7410_set_t_alarm_low, 0);
-static IIO_DEVICE_ATTR(t_crit,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_t_crit, adt7410_set_t_crit, 0);
-static IIO_DEVICE_ATTR(t_hyst,
-                      S_IRUGO | S_IWUSR,
-                      adt7410_show_t_hyst, adt7410_set_t_hyst, 0);
-
-static struct attribute *adt7410_event_int_attributes[] = {
-       &iio_dev_attr_event_mode.dev_attr.attr,
-       &iio_dev_attr_available_event_modes.dev_attr.attr,
-       &iio_dev_attr_fault_queue.dev_attr.attr,
-       &iio_dev_attr_t_alarm_high.dev_attr.attr,
-       &iio_dev_attr_t_alarm_low.dev_attr.attr,
-       &iio_dev_attr_t_crit.dev_attr.attr,
-       &iio_dev_attr_t_hyst.dev_attr.attr,
-       NULL,
-};
-
-static struct attribute_group adt7410_event_attribute_group = {
-       .attrs = adt7410_event_int_attributes,
-       .name = "events",
-};
-
-static const struct iio_info adt7410_info = {
-       .attrs = &adt7410_attribute_group,
-       .event_attrs = &adt7410_event_attribute_group,
-       .driver_module = THIS_MODULE,
-};
-
-/*
- * device probe and remove
- */
-
-static int adt7410_probe(struct device *dev, int irq,
-       const char *name, const struct adt7410_ops *ops)
-{
-       unsigned long *adt7410_platform_data = dev->platform_data;
-       unsigned long local_pdata[] = {0, 0};
-       struct adt7410_chip_info *chip;
-       struct iio_dev *indio_dev;
-       int ret = 0;
-
-       indio_dev = iio_device_alloc(sizeof(*chip));
-       if (indio_dev == NULL) {
-               ret = -ENOMEM;
-               goto error_ret;
-       }
-       chip = iio_priv(indio_dev);
-       /* this is only used for device removal purposes */
-       dev_set_drvdata(dev, indio_dev);
-
-       chip->dev = dev;
-       chip->ops = ops;
-
-       indio_dev->name = name;
-       indio_dev->dev.parent = dev;
-       indio_dev->info = &adt7410_info;
-       indio_dev->modes = INDIO_DIRECT_MODE;
-
-       if (!adt7410_platform_data)
-               adt7410_platform_data = local_pdata;
-
-       /* CT critcal temperature event. line 0 */
-       if (irq) {
-               ret = request_threaded_irq(irq,
-                                          NULL,
-                                          &adt7410_event_handler,
-                                          IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-                                          name,
-                                          indio_dev);
-               if (ret)
-                       goto error_free_dev;
-       }
-
-       /* INT bound temperature alarm event. line 1 */
-       if (adt7410_platform_data[0]) {
-               ret = request_threaded_irq(adt7410_platform_data[0],
-                                          NULL,
-                                          &adt7410_event_handler,
-                                          adt7410_platform_data[1] |
-                                          IRQF_ONESHOT,
-                                          name,
-                                          indio_dev);
-               if (ret)
-                       goto error_unreg_ct_irq;
-       }
-
-       ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
-       if (ret) {
-               ret = -EIO;
-               goto error_unreg_int_irq;
-       }
-
-       chip->config |= ADT7410_RESOLUTION;
-
-       if (irq && adt7410_platform_data[0]) {
-
-               /* set irq polarity low level */
-               chip->config &= ~ADT7410_CT_POLARITY;
-
-               if (adt7410_platform_data[1] & IRQF_TRIGGER_HIGH)
-                       chip->config |= ADT7410_INT_POLARITY;
-               else
-                       chip->config &= ~ADT7410_INT_POLARITY;
-       }
-
-       ret = adt7410_write_byte(chip, ADT7410_CONFIG, chip->config);
-       if (ret) {
-               ret = -EIO;
-               goto error_unreg_int_irq;
-       }
-       ret = iio_device_register(indio_dev);
-       if (ret)
-               goto error_unreg_int_irq;
-
-       dev_info(dev, "%s temperature sensor registered.\n",
-                        name);
-
-       return 0;
-
-error_unreg_int_irq:
-       free_irq(adt7410_platform_data[0], indio_dev);
-error_unreg_ct_irq:
-       free_irq(irq, indio_dev);
-error_free_dev:
-       iio_device_free(indio_dev);
-error_ret:
-       return ret;
-}
-
-static int adt7410_remove(struct device *dev, int irq)
-{
-       struct iio_dev *indio_dev = dev_get_drvdata(dev);
-       unsigned long *adt7410_platform_data = dev->platform_data;
-
-       iio_device_unregister(indio_dev);
-       if (adt7410_platform_data[0])
-               free_irq(adt7410_platform_data[0], indio_dev);
-       if (irq)
-               free_irq(irq, indio_dev);
-       iio_device_free(indio_dev);
-
-       return 0;
-}
-
-#if IS_ENABLED(CONFIG_I2C)
-
-static int adt7410_i2c_read_word(struct adt7410_chip_info *chip, u8 reg,
-       u16 *data)
-{
-       struct i2c_client *client = to_i2c_client(chip->dev);
-       int ret = 0;
-
-       ret = i2c_smbus_read_word_data(client, reg);
-       if (ret < 0) {
-               dev_err(&client->dev, "I2C read error\n");
-               return ret;
-       }
-
-       *data = swab16((u16)ret);
-
-       return 0;
-}
-
-static int adt7410_i2c_write_word(struct adt7410_chip_info *chip, u8 reg,
-       u16 data)
-{
-       struct i2c_client *client = to_i2c_client(chip->dev);
-       int ret = 0;
-
-       ret = i2c_smbus_write_word_data(client, reg, swab16(data));
-       if (ret < 0)
-               dev_err(&client->dev, "I2C write error\n");
-
-       return ret;
-}
-
-static int adt7410_i2c_read_byte(struct adt7410_chip_info *chip, u8 reg,
-       u8 *data)
-{
-       struct i2c_client *client = to_i2c_client(chip->dev);
-       int ret = 0;
-
-       ret = i2c_smbus_read_byte_data(client, reg);
-       if (ret < 0) {
-               dev_err(&client->dev, "I2C read error\n");
-               return ret;
-       }
-
-       *data = (u8)ret;
-
-       return 0;
-}
-
-static int adt7410_i2c_write_byte(struct adt7410_chip_info *chip, u8 reg,
-       u8 data)
-{
-       struct i2c_client *client = to_i2c_client(chip->dev);
-       int ret = 0;
-
-       ret = i2c_smbus_write_byte_data(client, reg, data);
-       if (ret < 0)
-               dev_err(&client->dev, "I2C write error\n");
-
-       return ret;
-}
-
-static const struct adt7410_ops adt7410_i2c_ops = {
-       .read_word = adt7410_i2c_read_word,
-       .write_word = adt7410_i2c_write_word,
-       .read_byte = adt7410_i2c_read_byte,
-       .write_byte = adt7410_i2c_write_byte,
-};
-
-static int adt7410_i2c_probe(struct i2c_client *client,
-       const struct i2c_device_id *id)
-{
-       return adt7410_probe(&client->dev, client->irq, id->name,
-               &adt7410_i2c_ops);
-}
-
-static int adt7410_i2c_remove(struct i2c_client *client)
-{
-       return adt7410_remove(&client->dev, client->irq);
-}
-
-static const struct i2c_device_id adt7410_id[] = {
-       { "adt7410", 0 },
-       {}
-};
-
-MODULE_DEVICE_TABLE(i2c, adt7410_id);
-
-static struct i2c_driver adt7410_driver = {
-       .driver = {
-               .name = "adt7410",
-       },
-       .probe = adt7410_i2c_probe,
-       .remove = adt7410_i2c_remove,
-       .id_table = adt7410_id,
-};
-
-static int __init adt7410_i2c_init(void)
-{
-       return i2c_add_driver(&adt7410_driver);
-}
-
-static void __exit adt7410_i2c_exit(void)
-{
-       i2c_del_driver(&adt7410_driver);
-}
-
-#else
-
-static int  __init adt7410_i2c_init(void) { return 0; };
-static void __exit adt7410_i2c_exit(void) {};
-
-#endif
-
-#if IS_ENABLED(CONFIG_SPI_MASTER)
-
-static const u8 adt7371_reg_table[] = {
-       [ADT7410_TEMPERATURE]   = ADT7310_TEMPERATURE,
-       [ADT7410_STATUS]        = ADT7310_STATUS,
-       [ADT7410_CONFIG]        = ADT7310_CONFIG,
-       [ADT7410_T_ALARM_HIGH]  = ADT7310_T_ALARM_HIGH,
-       [ADT7410_T_ALARM_LOW]   = ADT7310_T_ALARM_LOW,
-       [ADT7410_T_CRIT]        = ADT7310_T_CRIT,
-       [ADT7410_T_HYST]        = ADT7310_T_HYST,
-       [ADT7410_ID]            = ADT7310_ID,
-};
-
-#define AD7310_COMMAND(reg) (adt7371_reg_table[(reg)] << ADT7310_CMD_REG_OFFSET)
-
-static int adt7310_spi_read_word(struct adt7410_chip_info *chip,
-       u8 reg, u16 *data)
-{
-       struct spi_device *spi = to_spi_device(chip->dev);
-       u8 command = AD7310_COMMAND(reg);
-       int ret = 0;
-
-       command |= ADT7310_CMD_READ;
-       ret = spi_write(spi, &command, sizeof(command));
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI write command error\n");
-               return ret;
-       }
-
-       ret = spi_read(spi, (u8 *)data, sizeof(*data));
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI read word error\n");
-               return ret;
-       }
-
-       *data = be16_to_cpu(*data);
-
-       return 0;
-}
-
-static int adt7310_spi_write_word(struct adt7410_chip_info *chip, u8 reg,
-       u16 data)
-{
-       struct spi_device *spi = to_spi_device(chip->dev);
-       u8 buf[3];
-       int ret = 0;
-
-       buf[0] = AD7310_COMMAND(reg);
-       buf[1] = (u8)(data >> 8);
-       buf[2] = (u8)(data & 0xFF);
-
-       ret = spi_write(spi, buf, 3);
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI write word error\n");
-               return ret;
-       }
-
-       return ret;
-}
-
-static int adt7310_spi_read_byte(struct adt7410_chip_info *chip, u8 reg,
-       u8 *data)
-{
-       struct spi_device *spi = to_spi_device(chip->dev);
-       u8 command = AD7310_COMMAND(reg);
-       int ret = 0;
-
-       command |= ADT7310_CMD_READ;
-       ret = spi_write(spi, &command, sizeof(command));
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI write command error\n");
-               return ret;
-       }
-
-       ret = spi_read(spi, data, sizeof(*data));
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI read byte error\n");
-               return ret;
-       }
-
-       return 0;
-}
-
-static int adt7310_spi_write_byte(struct adt7410_chip_info *chip, u8 reg,
-       u8 data)
-{
-       struct spi_device *spi = to_spi_device(chip->dev);
-       u8 buf[2];
-       int ret = 0;
-
-       buf[0] = AD7310_COMMAND(reg);
-       buf[1] = data;
-
-       ret = spi_write(spi, buf, 2);
-       if (ret < 0) {
-               dev_err(&spi->dev, "SPI write byte error\n");
-               return ret;
-       }
-
-       return ret;
-}
-
-static const struct adt7410_ops adt7310_spi_ops = {
-       .read_word = adt7310_spi_read_word,
-       .write_word = adt7310_spi_write_word,
-       .read_byte = adt7310_spi_read_byte,
-       .write_byte = adt7310_spi_write_byte,
-};
-
-static int adt7310_spi_probe(struct spi_device *spi)
-{
-       return adt7410_probe(&spi->dev, spi->irq,
-               spi_get_device_id(spi)->name, &adt7310_spi_ops);
-}
-
-static int adt7310_spi_remove(struct spi_device *spi)
-{
-       return adt7410_remove(&spi->dev, spi->irq);
-}
-
-static const struct spi_device_id adt7310_id[] = {
-       { "adt7310", 0 },
-       {}
-};
-MODULE_DEVICE_TABLE(spi, adt7310_id);
-
-static struct spi_driver adt7310_driver = {
-       .driver = {
-               .name = "adt7310",
-               .owner = THIS_MODULE,
-       },
-       .probe = adt7310_spi_probe,
-       .remove = adt7310_spi_remove,
-       .id_table = adt7310_id,
-};
-
-static int __init adt7310_spi_init(void)
-{
-       return spi_register_driver(&adt7310_driver);
-}
-
-static void adt7310_spi_exit(void)
-{
-       spi_unregister_driver(&adt7310_driver);
-}
-
-#else
-
-static int __init adt7310_spi_init(void) { return 0; };
-static void adt7310_spi_exit(void) {};
-
-#endif
-
-static int __init adt7410_init(void)
-{
-       int ret;
-
-       ret = adt7310_spi_init();
-       if (ret)
-               return ret;
-
-       ret = adt7410_i2c_init();
-       if (ret)
-               adt7310_spi_exit();
-
-       return ret;
-}
-module_init(adt7410_init);
-
-static void __exit adt7410_exit(void)
-{
-       adt7410_i2c_exit();
-       adt7310_spi_exit();
-}
-module_exit(adt7410_exit);
-
-MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>");
-MODULE_DESCRIPTION("Analog Devices ADT7310/ADT7410 digital temperature sensor driver");
-MODULE_LICENSE("GPL v2");