diff options
Diffstat (limited to 'drivers/hwmon/lm85.c')
| -rw-r--r-- | drivers/hwmon/lm85.c | 15 |
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) \ |