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Diffstat (limited to 'drivers/hwmon/lm85.c')
-rw-r--r--drivers/hwmon/lm85.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index a02480be65f2..194b8fb52f0e 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -519,10 +519,21 @@ static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- int pwm_zone;
+ int pwm_zone, enable;
pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
- return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) );
+ switch (pwm_zone) {
+ case -1: /* PWM is always at 100% */
+ enable = 0;
+ break;
+ case 0: /* PWM is always at 0% */
+ case -2: /* PWM responds to manual control */
+ enable = 1;
+ break;
+ default: /* PWM in automatic mode */
+ enable = 2;
+ }
+ return sprintf(buf, "%d\n", enable);
}
#define show_pwm_reg(offset) \