]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/hwmon/w83792d.c
[PATCH] hwmon: remove deprecated sysfs names of adm1025 and adm1026
[linux-2.6-omap-h63xx.git] / drivers / hwmon / w83792d.c
index 4be59dbb78c472467c507587e9cb47279a557572..1ba072630361959678ef87def072a43755464345 100644 (file)
@@ -193,6 +193,7 @@ static const u8 W83792D_REG_LEVELS[3][4] = {
          0xE2 }        /* (bit3-0) SmartFanII: Fan3 Level 3 */
 };
 
+#define W83792D_REG_GPIO_EN            0x1A
 #define W83792D_REG_CONFIG             0x40
 #define W83792D_REG_VID_FANDIV         0x47
 #define W83792D_REG_CHIPID             0x49
@@ -257,7 +258,7 @@ DIV_TO_REG(long val)
 {
        int i;
        val = SENSORS_LIMIT(val, 1, 128) >> 1;
-       for (i = 0; i < 6; i++) {
+       for (i = 0; i < 7; i++) {
                if (val == 0)
                        break;
                val >>= 1;
@@ -1282,8 +1283,8 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
        w83792d_init_client(new_client);
 
        /* A few vars need to be filled upon startup */
-       for (i = 1; i <= 7; i++) {
-               data->fan_min[i - 1] = w83792d_read_value(new_client,
+       for (i = 0; i < 7; i++) {
+               data->fan_min[i] = w83792d_read_value(new_client,
                                        W83792D_REG_FAN_MIN[i]);
        }
 
@@ -1306,10 +1307,20 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
        device_create_file_fan(new_client, 1);
        device_create_file_fan(new_client, 2);
        device_create_file_fan(new_client, 3);
-       device_create_file_fan(new_client, 4);
-       device_create_file_fan(new_client, 5);
-       device_create_file_fan(new_client, 6);
-       device_create_file_fan(new_client, 7);
+
+       /* Read GPIO enable register to check if pins for fan 4,5 are used as
+          GPIO */
+       val1 = w83792d_read_value(new_client, W83792D_REG_GPIO_EN);
+       if (!(val1 & 0x40))
+               device_create_file_fan(new_client, 4);
+       if (!(val1 & 0x20))
+               device_create_file_fan(new_client, 5);
+
+       val1 = w83792d_read_value(new_client, W83792D_REG_PIN);
+       if (val1 & 0x40)
+               device_create_file_fan(new_client, 6);
+       if (val1 & 0x04)
+               device_create_file_fan(new_client, 7);
 
        device_create_file_temp1(new_client);           /* Temp1 */
        device_create_file_temp_add(new_client, 2);     /* Temp2 */