For the F75387, the register holding the current PWM duty cycle value is
r/o; changing it requires writing to the fan expect register instead.
Signed-off-by: Nikolaus Schulz <mail@xxxxxxxxxxxxxx>
---
drivers/hwmon/f75375s.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 5dae122..1c26652 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -178,6 +178,15 @@ static inline void f75375_write16(struct i2c_client *client, u8 reg,
i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
}
+static void f75375_write_pwm(struct i2c_client *client, int nr, u8 pwm)
+{
+ struct f75375_data *data = i2c_get_clientdata(client);
+ if (data->kind == f75387)
+ f75375_write16(client, F75375_REG_FAN_EXP(nr), pwm);
+ else
+ f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), pwm);
+}
+
static struct f75375_data *f75375_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -309,7 +318,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
mutex_lock(&data->update_lock);
data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
- f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), data->pwm[nr]);
+ f75375_write_pwm(client, nr, data->pwm[nr]);
mutex_unlock(&data->update_lock);
return count;
}
@@ -374,8 +383,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
f75375_write8(client, F75375_REG_FAN_TIMER, fanmode);
data->pwm_enable[nr] = val;
if (val == 0)
- f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
- data->pwm[nr]);
+ f75375_write_pwm(client, nr, data->pwm[nr]);
return 0;
}
@@ -759,8 +767,7 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]);
for (nr = 0; nr < 2; nr++) {
data->pwm[nr] = SENSORS_LIMIT(f75375s_pdata->pwm[nr], 0, 255);
- f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
- data->pwm[nr]);
+ f75375_write_pwm(client, nr, data->pwm[nr]);
}
}
--
1.7.9.1
_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
