X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fhwmon%2Flm77.c;h=36d5a8c3ad8c33e3327b62dace2ec684dec57bec;hb=022147242ff6e4b7ab770f00716063f48c088391;hp=cee5c2e8cfad29f3a4c6fc21d9d7abed8910219e;hpb=347c53dca73fca317d57781f510f5ff4f6c0d0d7;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index cee5c2e8cfa..36d5a8c3ad8 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -31,11 +31,13 @@
 #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>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
+						I2C_CLIENT_END };
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_1(lm77);
@@ -113,7 +115,6 @@ show(temp_input);
 show(temp_crit);
 show(temp_min);
 show(temp_max);
-show(alarms);
 
 /* read routines for hysteresis values */
 static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
@@ -186,6 +187,14 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	int bitnr = to_sensor_dev_attr(attr)->index;
+	struct lm77_data *data = lm77_update_device(dev);
+	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
 static DEVICE_ATTR(temp1_input, S_IRUGO,
 		   show_temp_input, NULL);
 static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO,
@@ -202,8 +211,9 @@ static DEVICE_ATTR(temp1_min_hyst, S_IRUGO,
 static DEVICE_ATTR(temp1_max_hyst, S_IRUGO,
 		   show_temp_max_hyst, NULL);
 
-static DEVICE_ATTR(alarms, S_IRUGO,
-		   show_alarms, NULL);
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1);
 
 static int lm77_attach_adapter(struct i2c_adapter *adapter)
 {
@@ -220,8 +230,9 @@ static struct attribute *lm77_attributes[] = {
 	&dev_attr_temp1_crit_hyst.attr,
 	&dev_attr_temp1_min_hyst.attr,
 	&dev_attr_temp1_max_hyst.attr,
-	&dev_attr_alarms.attr,
-
+	&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
 	NULL
 };