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[PATCH] hwmon: w83l785ts converted to dynamic sysfs callbacks

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Convert the w83l785ts driver to use dynamic sysfs callbacks. This is a
small driver so the benefit is thin, but still worth it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 drivers/hwmon/w83l785ts.c |   36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)
This commit is contained in:
Jean Delvare 2005-09-25 16:41:18 +02:00 committed by Greg Kroah-Hartman
parent d6072f842a
commit 709439a284
1 changed files with 18 additions and 18 deletions
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36
drivers/hwmon/w83l785ts.c
View file

@ -37,6 +37,7 @@
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
/* How many retries on register read error */
@ -111,27 +112,24 @@ struct w83l785ts_data {
unsigned long last_updated; /* in jiffies */
/* registers values */
u8 temp, temp_over;
u8 temp[2]; /* 0: input
1: critical limit */
};
/*
* Sysfs stuff
*/
static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct w83l785ts_data *data = w83l785ts_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
}
static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83l785ts_data *data = w83l785ts_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
}
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_over, NULL);
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, 1);
/*
* Real code
@ -228,7 +226,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
init_MUTEX(&data->update_lock);
/* Default values in case the first read fails (unlikely). */
data->temp_over = data->temp = 0;
data->temp[1] = data->temp[0] = 0;
/* Tell the I2C layer a new client has arrived. */
if ((err = i2c_attach_client(new_client)))
@ -246,8 +244,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_detach;
}
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp1_max);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_input.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
return 0;
@ -305,10 +305,10 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
dev_dbg(&client->dev, "Updating w83l785ts data.\n");
data->temp = w83l785ts_read_value(client,
W83L785TS_REG_TEMP, data->temp);
data->temp_over = w83l785ts_read_value(client,
W83L785TS_REG_TEMP_OVER, data->temp_over);
data->temp[0] = w83l785ts_read_value(client,
W83L785TS_REG_TEMP, data->temp[0]);
data->temp[1] = w83l785ts_read_value(client,
W83L785TS_REG_TEMP_OVER, data->temp[1]);
data->last_updated = jiffies;
data->valid = 1;