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path: root/drivers/hwmon/w83627ehf.c
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Diffstat (limited to 'drivers/hwmon/w83627ehf.c')
-rw-r--r--drivers/hwmon/w83627ehf.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 0e0af044522..5276d1933db 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1319,6 +1319,7 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
int nr = sensor_attr->index;
unsigned long val;
int err;
@@ -1330,6 +1331,11 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
if (val > 1)
return -EINVAL;
+
+ /* On NCT67766F, DC mode is only supported for pwm1 */
+ if (sio_data->kind == nct6776 && nr && val != 1)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
data->pwm_mode[nr] = val;
@@ -1914,9 +1920,26 @@ w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
fan4min = 0;
fan5pin = 0;
} else if (sio_data->kind == nct6776) {
- fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
- fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
- fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+ bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
+
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+
+ if (regval & 0x80)
+ fan3pin = gpok;
+ else
+ fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+
+ if (regval & 0x40)
+ fan4pin = gpok;
+ else
+ fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
+
+ if (regval & 0x20)
+ fan5pin = gpok;
+ else
+ fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+
fan4min = fan4pin;
} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan3pin = 1;
@@ -2331,11 +2354,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
for (i = 0; i < data->pwm_num; i++)
data->pwm_enable_orig[i] = data->pwm_enable[i];
- /* Read pwm data to save original values */
- w83627ehf_update_pwm_common(dev, data);
- for (i = 0; i < data->pwm_num; i++)
- data->pwm_enable_orig[i] = data->pwm_enable[i];
-
/* Register sysfs hooks */
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);