[lm-sensors] [PATCH] hwmon: w83l785ts converted to dynamic sysfs callbacks

Greg KH gregkh at suse.de
Fri Oct 28 23:07:37 CEST 2005


[PATCH] hwmon: w83l785ts converted to dynamic sysfs callbacks

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 at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>

 drivers/hwmon/w83l785ts.c |   36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

---
commit 709439a284bc5b7d42a70fee7119feb186c1ca99
tree 12b41b5091cac96e2cff9d3ee878944689642616
parent d6072f842a77014220683ee5b781b7cee8f020d1
author Jean Delvare <khali at linux-fr.org> Sun, 25 Sep 2005 16:41:18 +0200
committer Greg Kroah-Hartman <gregkh at suse.de> Fri, 28 Oct 2005 14:02:06 -0700

 drivers/hwmon/w83l785ts.c |   36 ++++++++++++++++++------------------
 1 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 133e34a..fcb2c39 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -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_a
 	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_a
 		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_
 
 	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;





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