asus-wmi: check for temp1 presence

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index d01f767c7b69..e50872632c5a 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -967,7 +967,7 @@ static struct attribute *hwmon_attributes[] = {
 };
 
 static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
-                                    struct attribute *attr, int idx)
+                                          struct attribute *attr, int idx)
 {
         struct device *dev = container_of(kobj, struct device, kobj);
         struct platform_device *pdev = to_platform_device(dev->parent);
@@ -978,6 +978,8 @@ static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
 
         if (attr == &sensor_dev_attr_pwm1.dev_attr.attr)
                 dev_id = ASUS_WMI_DEVID_FAN_CTRL;
+        else if (attr == &sensor_dev_attr_temp1_input.dev_attr.attr)
+                dev_id = ASUS_WMI_DEVID_THERMAL_CTRL;
 
         if (dev_id != -1) {
                 int err = asus_wmi_get_devstate(asus, dev_id, &value);
@@ -998,6 +1000,10 @@ static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
                 if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
                     || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
                         ok = false;
+        } else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) {
+                /* If value is zero, something is clearly wrong */
+                if (value == 0)
+                        ok = false;
         }
 
         return ok ? attr->mode : 0;