lm77.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>

Go to the source code of this file.

Data Structures
struct	lm77_data

Macros
#define	LM77_REG_TEMP   0x00
#define	LM77_REG_CONF   0x01
#define	LM77_REG_TEMP_HYST   0x02
#define	LM77_REG_TEMP_CRIT   0x03
#define	LM77_REG_TEMP_MIN   0x04
#define	LM77_REG_TEMP_MAX   0x05
#define	LM77_TEMP_MIN   (-55000)
#define	LM77_TEMP_MAX   125000
#define	show(value)
#define	set(value, reg)

Functions
	MODULE_DEVICE_TABLE (i2c, lm77_id)
	show (temp_input)
	show (temp_crit)
	show (temp_min)
	show (temp_max)
	set (temp_min, LM77_REG_TEMP_MIN)
	set (temp_max, LM77_REG_TEMP_MAX)
	module_i2c_driver (lm77_driver)
	MODULE_AUTHOR ("Andras BALI <[email protected]>")
	MODULE_DESCRIPTION ("LM77 driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define LM77_REG_CONF   0x01

Definition at line 44 of file lm77.c.

#define LM77_REG_TEMP   0x00

Definition at line 43 of file lm77.c.

#define LM77_REG_TEMP_CRIT   0x03

Definition at line 46 of file lm77.c.

#define LM77_REG_TEMP_HYST   0x02

Definition at line 45 of file lm77.c.

#define LM77_REG_TEMP_MAX   0x05

Definition at line 48 of file lm77.c.

#define LM77_REG_TEMP_MIN   0x04

Definition at line 47 of file lm77.c.

#define LM77_TEMP_MAX   125000

Definition at line 96 of file lm77.c.

#define LM77_TEMP_MIN   (-55000)

Definition at line 95 of file lm77.c.

#define set	(		value,
			reg
	)

Value:

static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
               const char *buf, size_t count)       \
{                                   \
	struct i2c_client *client = to_i2c_client(dev);            \
	struct lm77_data *data = i2c_get_clientdata(client);       \
    long val;                           \
    int err = kstrtol(buf, 10, &val);               \
    if (err)                            \
        return err;                     \
									\
	mutex_lock(&data->update_lock);                    \
	data->value = val;                     \
    lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value));   \
    mutex_unlock(&data->update_lock);               \
    return count;                           \
}

Definition at line 151 of file lm77.c.

#define show

(

value

)

Value:

static ssize_t show_##value(struct device *dev,         \
                struct device_attribute *attr,  \
                char *buf)              \
{                               \
	struct lm77_data *data = lm77_update_device(dev);  \
    return sprintf(buf, "%d\n", data->value);       \
}

Definition at line 116 of file lm77.c.

Function Documentation

MODULE_AUTHOR

(

"Andras BALI <[email protected]>"

)

MODULE_DESCRIPTION

(

"LM77 driver"

)

MODULE_DEVICE_TABLE	(	i2c	,
		lm77_id
	)

module_i2c_driver

(

lm77_driver

)

MODULE_LICENSE

(

"GPL"

)

set	(	temp_min	,
		LM77_REG_TEMP_MIN
	)

set	(	temp_max	,
		LM77_REG_TEMP_MAX
	)

show

(

temp_input

)

show

(

temp_crit

)

show

(

temp_min

)

show

(

temp_max

)