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[PATCH] hwmon: hwmon vs i2c, second round (11/11)

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Use the common vid_from_reg function in lm78 rather than
reimplementing it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare 2005-07-31 22:12:09 +02:00 committed by Greg Kroah-Hartman
parent d0f282706d
commit 19f673eddb
2 changed files with 3 additions and 8 deletions
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1
drivers/hwmon/Kconfig
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@ -207,6 +207,7 @@ config SENSORS_LM78
tristate "National Semiconductor LM78 and compatibles"
depends on HWMON && I2C && EXPERIMENTAL
select I2C_ISA
select HWMON_VID
help
If you say yes here you get support for National Semiconductor LM78,
LM78-J and LM79.

10
drivers/hwmon/lm78.c
View File

@ -25,6 +25,7 @@
#include <linux/i2c.h>
#include <linux/i2c-isa.h>
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <asm/io.h>
@ -106,13 +107,6 @@ static inline int TEMP_FROM_REG(s8 val)
return val * 1000;
}
/* VID: mV
REG: (see doc/vid) */
static inline int VID_FROM_REG(u8 val)
{
return val==0x1f ? 0 : val>=0x10 ? 5100-val*100 : 2050-val*50;
}
#define DIV_FROM_REG(val) (1 << (val))
/* There are some complications in a module like this. First off, LM78 chips
@ -457,7 +451,7 @@ static DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_3_div, NULL);
static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
struct lm78_data *data = lm78_update_device(dev);
return sprintf(buf, "%d\n", VID_FROM_REG(data->vid));
return sprintf(buf, "%d\n", vid_from_reg(82, data->vid));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);