hwmon: (dme1737) No vid attributes for SCH311x

The SCH311x chips do not have VID inputs, so the cpu0_vid and vrm
attributes shouldn't be created for them.

This fixes lm-sensors ticket #2353:
http://www.lm-sensors.org/ticket/2353

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Udo van den Heuvel <udovdh@xs4all.nl>
Cc: Juerg Haefliger <juergh@gmail.com>

1 files changed, 24 insertions, 5 deletions

diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index 2c2cb1ec94c5..27d62574284f 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -572,7 +572,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
         /* Sample register contents every 1 sec */
         if (time_after(jiffies, data->last_update + HZ) || !data->valid) {
-                if (data->type != sch5027) {
+                if (data->type == dme1737) {
                         data->vid = dme1737_read(data, DME1737_REG_VID) &
                                 0x3f;
                 }
@@ -1621,9 +1621,6 @@ static struct attribute *dme1737_misc_attr[] = {
         &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
         &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
         &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr,
-        /* Misc */
-        &dev_attr_vrm.attr,
-        &dev_attr_cpu0_vid.attr,
         NULL
 };
 
@@ -1631,6 +1628,18 @@ static const struct attribute_group dme1737_misc_group = {
         .attrs = dme1737_misc_attr,
 };
 
+/* The following struct holds VID-related attributes. Their creation
+   depends on the chip type which is determined during module load. */
+static struct attribute *dme1737_vid_attr[] = {
+        &dev_attr_vrm.attr,
+        &dev_attr_cpu0_vid.attr,
+        NULL
+};
+
+static const struct attribute_group dme1737_vid_group = {
+        .attrs = dme1737_vid_attr,
+};
+
 /* The following structs hold the PWM attributes, some of which are optional.
  * Their creation depends on the chip configuration which is determined during
  * module load. */
@@ -1902,6 +1911,9 @@ static void dme1737_remove_files(struct device *dev)
         if (data->type != sch5027) {
                 sysfs_remove_group(&dev->kobj, &dme1737_misc_group);
         }
+        if (data->type == dme1737) {
+                sysfs_remove_group(&dev->kobj, &dme1737_vid_group);
+        }
 
         sysfs_remove_group(&dev->kobj, &dme1737_group);
 
@@ -1933,6 +1945,13 @@ static int dme1737_create_files(struct device *dev)
                 goto exit_remove;
         }
 
+        /* Create VID-related sysfs attributes */
+        if ((data->type == dme1737) &&
+            (err = sysfs_create_group(&dev->kobj,
+                                      &dme1737_vid_group))) {
+                goto exit_remove;
+        }
+
         /* Create fan sysfs attributes */
         for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) {
                 if (data->has_fan & (1 << ix)) {
@@ -2127,7 +2146,7 @@ static int dme1737_init_device(struct device *dev)
         data->pwm_acz[2] = 4;   /* pwm3 -> zone3 */
 
         /* Set VRM */
-        if (data->type != sch5027) {
+        if (data->type == dme1737) {
                 data->vrm = vid_which_vrm();
         }