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[~andy/linux] / drivers / hwmon / w83627hf.c
index 410f10687cc4554dc616cc2320d34a63d14b0bfb..181f4e8590b1cc3eaf5a21dd01fa1b9e9bfa87ae 100644 (file)
@@ -75,6 +75,10 @@ static int init = 1;
 module_param(init, bool, 0);
 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
 
+static unsigned short force_id;
+module_param(force_id, ushort, 0);
+MODULE_PARM_DESC(force_id, "Override the detected device ID");
+
 /* modified from kernel/include/traps.c */
 static int REG;                /* The register to read/write */
 #define        DEV     0x07    /* Register: Logical device select */
@@ -170,8 +174,9 @@ superio_exit(void)
 #define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
                                           (0x550 + (nr) - 7))
 
-#define W83781D_REG_FAN_MIN(nr) (0x3a + (nr))
-#define W83781D_REG_FAN(nr) (0x27 + (nr))
+/* nr:0-2 for fans:1-3 */
+#define W83627HF_REG_FAN_MIN(nr)       (0x3b + (nr))
+#define W83627HF_REG_FAN(nr)           (0x28 + (nr))
 
 #define W83627HF_REG_TEMP2_CONFIG 0x152
 #define W83627HF_REG_TEMP3_CONFIG 0x252
@@ -582,7 +587,7 @@ store_fan_min(struct device *dev, struct device_attribute *devattr,
 
        mutex_lock(&data->update_lock);
        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
-       w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr+1),
+       w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr),
                             data->fan_min[nr]);
 
        mutex_unlock(&data->update_lock);
@@ -814,7 +819,7 @@ store_fan_div(struct device *dev, struct device_attribute *devattr,
 
        /* Restore fan_min */
        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
-       w83627hf_write_value(data, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+       w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]);
 
        mutex_unlock(&data->update_lock);
        return count;
@@ -1013,7 +1018,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr,
        VAL = sioaddr + 1;
 
        superio_enter();
-       val= superio_inb(DEVID);
+       val = force_id ? force_id : superio_inb(DEVID);
        switch (val) {
        case W627_DEVID:
                sio_data->type = w83627hf;
@@ -1140,7 +1145,7 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
        struct w83627hf_sio_data *sio_data = dev->platform_data;
        struct w83627hf_data *data;
        struct resource *res;
-       int err;
+       int err, i;
 
        static const char *names[] = {
                "w83627hf",
@@ -1174,9 +1179,9 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
        w83627hf_init_device(pdev);
 
        /* A few vars need to be filled upon startup */
-       data->fan_min[0] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(1));
-       data->fan_min[1] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(2));
-       data->fan_min[2] = w83627hf_read_value(data, W83781D_REG_FAN_MIN(3));
+       for (i = 0; i <= 2; i++)
+               data->fan_min[i] = w83627hf_read_value(
+                                       data, W83627HF_REG_FAN_MIN(i));
        w83627hf_update_fan_div(data);
 
        /* Register common device attributes */
@@ -1554,12 +1559,12 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
                            w83627hf_read_value(data,
                                               W83781D_REG_IN_MAX(i));
                }
-               for (i = 1; i <= 3; i++) {
-                       data->fan[i - 1] =
-                           w83627hf_read_value(data, W83781D_REG_FAN(i));
-                       data->fan_min[i - 1] =
+               for (i = 0; i <= 2; i++) {
+                       data->fan[i] =
+                           w83627hf_read_value(data, W83627HF_REG_FAN(i));
+                       data->fan_min[i] =
                            w83627hf_read_value(data,
-                                              W83781D_REG_FAN_MIN(i));
+                                              W83627HF_REG_FAN_MIN(i));
                }
                for (i = 0; i <= 2; i++) {
                        u8 tmp = w83627hf_read_value(data,