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-rw-r--r--Documentation/hwmon/it874
-rw-r--r--drivers/hwmon/it87.c11
2 files changed, 10 insertions, 5 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index 3496b7020e7..042c0415140 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -136,10 +136,10 @@ once-only alarms.
The IT87xx only updates its values each 1.5 seconds; reading it more often
will do no harm, but will return 'old' values.
-To change sensor N to a thermistor, 'echo 2 > tempN_type' where N is 1, 2,
+To change sensor N to a thermistor, 'echo 4 > tempN_type' where N is 1, 2,
or 3. To change sensor N to a thermal diode, 'echo 3 > tempN_type'.
Give 0 for unused sensor. Any other value is invalid. To configure this at
-startup, consult lm_sensors's /etc/sensors.conf. (2 = thermistor;
+startup, consult lm_sensors's /etc/sensors.conf. (4 = thermistor;
3 = thermal diode)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index d793cc01199..b74c95735f9 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -477,7 +477,7 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
if (reg & (1 << nr))
return sprintf(buf, "3\n"); /* thermal diode */
if (reg & (8 << nr))
- return sprintf(buf, "2\n"); /* thermistor */
+ return sprintf(buf, "4\n"); /* thermistor */
return sprintf(buf, "0\n"); /* disabled */
}
static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
@@ -493,10 +493,15 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
data->sensor &= ~(1 << nr);
data->sensor &= ~(8 << nr);
- /* 3 = thermal diode; 2 = thermistor; 0 = disabled */
+ if (val == 2) { /* backwards compatibility */
+ dev_warn(dev, "Sensor type 2 is deprecated, please use 4 "
+ "instead\n");
+ val = 4;
+ }
+ /* 3 = thermal diode; 4 = thermistor; 0 = disabled */
if (val == 3)
data->sensor |= 1 << nr;
- else if (val == 2)
+ else if (val == 4)
data->sensor |= 8 << nr;
else if (val != 0) {
mutex_unlock(&data->update_lock);