[PATCH] hwmon: Fix missing it87 fan div init

[linux-2.6-omap-h63xx.git] / drivers / hwmon / it87.c

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 6c41e25e670be0235c34a9fb0fce027da6df6d72..a61f5d00f10a2abf1cf0211c9f7d1355db0cf28e 100644 (file)
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -522,8 +522,15 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
        struct i2c_client *client = to_i2c_client(dev);
        struct it87_data *data = i2c_get_clientdata(client);
        int val = simple_strtol(buf, NULL, 10);
+       u8 reg = it87_read_value(client, IT87_REG_FAN_DIV);
 
        down(&data->update_lock);
+       switch (nr) {
+       case 0: data->fan_div[nr] = reg & 0x07; break;
+       case 1: data->fan_div[nr] = (reg >> 3) & 0x07; break;
+       case 2: data->fan_div[nr] = (reg & 0x40) ? 3 : 1; break;
+       }
+
        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
        it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
        up(&data->update_lock);