X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fmax1619.c;h=7e7267a045440acea8f359a7ebc9be96fc5b564d;hb=4934ed888e6fe78d9d339471fb870819da911e8b;hp=2f58f651f03a5c7af92d8322c3ff041a83cc12b1;hpb=c972398b7871d9fb58c6a317786065a7cc6ca4be;p=karo-tx-linux.git

diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 2f58f651f03a..7e7267a04544 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -32,14 +32,13 @@
 #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>
 #include <linux/sysfs.h>
 
-static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
-					0x29, 0x2a, 0x2b,
-					0x4c, 0x4d, 0x4e,
-					I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = {
+	0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END };
 
 /*
  * Insmod parameters
@@ -105,7 +104,7 @@ static struct i2c_driver max1619_driver = {
 
 struct max1619_data {
 	struct i2c_client client;
-	struct class_device *class_dev;
+	struct device *hwmon_dev;
 	struct mutex update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
@@ -161,6 +160,14 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
 	return sprintf(buf, "%d\n", data->alarms);
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	int bitnr = to_sensor_dev_attr(attr)->index;
+	struct max1619_data *data = max1619_update_device(dev);
+	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
+}
+
 static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
 static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL);
 static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2,
@@ -172,6 +179,10 @@ static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2,
 static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst2,
 	set_temp_hyst2);
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
 
 static struct attribute *max1619_attributes[] = {
 	&dev_attr_temp1_input.attr,
@@ -182,6 +193,10 @@ static struct attribute *max1619_attributes[] = {
 	&dev_attr_temp2_crit_hyst.attr,
 
 	&dev_attr_alarms.attr,
+	&sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp2_fault.dev_attr.attr,
+	&sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+	&sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
 	NULL
 };
 
@@ -293,9 +308,9 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 	if ((err = sysfs_create_group(&new_client->dev.kobj, &max1619_group)))
 		goto exit_detach;
 
-	data->class_dev = hwmon_device_register(&new_client->dev);
-	if (IS_ERR(data->class_dev)) {
-		err = PTR_ERR(data->class_dev);
+	data->hwmon_dev = hwmon_device_register(&new_client->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		err = PTR_ERR(data->hwmon_dev);
 		goto exit_remove_files;
 	}
 
@@ -331,7 +346,7 @@ static int max1619_detach_client(struct i2c_client *client)
 	struct max1619_data *data = i2c_get_clientdata(client);
 	int err;
 
-	hwmon_device_unregister(data->class_dev);
+	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &max1619_group);
 
 	if ((err = i2c_detach_client(client)))