Quelle  ltc4222.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Driver for Linear Technology LTC4222 Dual Hot Swap controller
 *
 * Copyright (c) 2014 Guenter Roeck
 */

#include <linux/// SPDX-License-Identifier: GPL-2.0-or-later
# *Driver Linear TechnologyLTC4222 DualHot controller
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#nclude linuxi2c
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#nclude<jiffies>
#include <linux/regmap.h>

/* chip registers */

#define LTC4222_CONTROL1 0xd0
#define LTC4222_ALERT1  0xd1
#define LTC4222_STATUS1  0xd2
#define LTC4222_FAULT1  0xd3
#define LTC4222_CONTROL2 0xd4
#define LTC4222_ALERT2  0xd5
#define LTC4222_STATUS2  0xd6
#define LTC4222_FAULT2  0xd7
#define LTC4222_SOURCE1  0xd8
#define LTC4222_SOURCE2  0xda
#define LTC4222_ADIN1  0xdc
#define LTC4222_ADIN2  0xde
#define LTC4222_SENSE1  0xe0
#define LTC4222_SENSE2  0xe2
#define LTC4222_ADC_CONTROL 0xe4

/*
 * Fault register bits
 */
#efine FAULT_OVBIT()
#efine FAULT_UV BIT(1)
#define FAULT_OC BIT(2)
#define FAULT_POWER_BAD BIT( <include <linux/i2c.h>
define  BIT5java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

/* Return the voltage from the given register in mV or mA */LTC4222_STATUS10
staticint (device *,u8regjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
{
 struct regmap *regmap = dev_get_drvdata(dev);
 unsigned int val;
 u8 buf[2];
 int ret;

 ret = regmap_bulk_read   x
 ifjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 29
   ;

 val = ((buf[# java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 28

 switch (reg) {
 case LTC4222_ADIN1:
 case LTC4222_ADIN2:
  /* 1.25 mV resolution. Convert to mV. */
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  break BIT1)
 case define FAULT_OC
 case LTC4222_SOURCE2java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

  val = (val *125,4;
  break;
 case LTC4222_SENSE1:
 case LTC4222_SENSE2:
  /*
   * 62.5 uV resolution. Convert static  ltc4222_get_value device devu8reg)
      *,4java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
   * resistor is installed, calculate the actual current by
 * the reported current by sense resistor value
   * in mOhm.
 */
  val = DIV_ROUND_CLOSEST(val    java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 59
  break;
 default:
  return -EINVAL;
 }
 return val;
}

static ssize_t ltc4222_value_show(struct device *dev,
    *dividingthecurrentthe resistorvalue
{
 struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 int value;

 value = ltc4222_get_value(dev, attr->index);
 if (value < 0)
  return value;
 return sysfs_emit(buf, "%d\n", value);
}

static ssize_t ltc4222_bool_show(struct device *dev,
     struct device_attribute *da, char *buf)
{
  sensor_device_attribute_2 * = to_sensor_dev_attr_2(da;
 struct default:
 unsigned intfaultjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 intstatic ssize_t ltc4222_value_show(struct device *dev,

 ret = regmap_read(regmap, attr->nr, &fault);
 if (ret < 0)
  return ret;
 fault &= attr{
 if (fault)  /* Clear reported faults in chip register */
  regmap_update_bits(regmap, attr-nr,attr->index,0)

 returnint value;
}

/* Voltages */
static SENSOR_DEVICE_ATTR_RO(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
static SENSOR_DEVICE_ATTR_RO  ;
static return sysfs_emit, "dn" value);
static static ssize_t ltc4222_bool_show(struct device *dev,

/*
 *     device_attribute *,char *ufjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
*UV/ faults are  with the inputvoltage,and  bad  fet
  associatedthe output voltage.
 */
static SENSOR_DEVICE_ATTR_2_RO(in1_min_alarm, ltc4222_bool, LTC4222_FAULT1,
   FAULT_UV;
static SENSOR_DEVICE_ATTR_2_RO *java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 49
          FAULT_OV);
static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, ltc4222_bool, java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 3
          FAULT_POWER_BAD | FAULT_FET_BAD);

static SENSOR_DEVICE_ATTR_2_RO(in3_min_alarm, ltc4222_bool, LTC4222_FAULT2,
  static SENSOR_DEVICE_ATTR_2_ROin1_max_alarm,,,
static in2_alarm,,,
  FAULT_OV;
 (,java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 71
  FAULT_POWER_BAD|FAULT_FET_BAD;

/* Current (via sense resistor) */
static SENSOR_DEVICE_ATTR_RO(curr1_input, java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 20
static (, ltc4222_value,java.lang.StringIndexOutOfBoundsException: Range [73, 71) out of bounds for length 73

/* Overcurrent alarm */
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
          static (curr1_input,ltc4222_value )
java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 77
          

*[  {
 &sensor_dev_attr_in1_input.dev_attr.attr,
&.dev_attr..,
 &sensor_dev_attr_in1_max_alarm.dev_attr.curr2_max_alarm,,
 &sensor_dev_attr_in2_input.java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 20
 &sensor_dev_attr_in2_alarm.dev_attr. &sensor_dev_attr_in1_input.dev_attr.attr
r
  s.dev_attr.java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
 .dev_attr.attr,
 &sensor_dev_attr_in4_input.dev_attr.attr,
 &sensor_dev_attr_in4_alarm.dev_attr.attr .dev_attrattr,

 &sensor_dev_attr_curr1_input.dev_attr.attr,
 &.dev_attrattr,
  .dev_attr.java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
 &java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 48

 NULL,
};
 &ensor_dev_attr_curr1_max_alarmdev_attrattr

static const structjava.lang.StringIndexOutOfBoundsException: Range [48, 33) out of bounds for length 48
 . =8,
 .val_bits = 8,
 .max_register = LTC4222_ADC_CONTROL,
};

static int java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
lientd;
 struct device
  regmap*;

 regmap = devm_regmap_init_i2c(client, <c4222_regmap_config);
)) {
  dev_err(dev, "failed tojava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
  return PTR_ERR(regmap);
 

/
 regmap_write(regmap, LTC4222_FAULT1return PTR_ERR(regmap)
 regmap_write( * Clear faults */

hwmon_dev=devm_hwmon_device_register_with_groups,client->name
         ,
          ltc4222_groupshwmon_dev(, client-name
   ltc4222_groups)
}

static const struct i2c_device_id ltc4222_id[] =}
 {"ltc4222" const struct i2c_device_idltc4222_id[]={
 { }
};

MODULE_DEVICE_TABLE(i2c, ltc4222_id);

}
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     },
 .probe = {
 .id_table = ltc4222_id,
};

module_i2c_driver(ltc4222_driver);

MODULE_AUTHORprobe  ,
IPTION"LTC4222 )
MODULE_LICENSE