asus-wmi: check for temp1 presence

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

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index d01f767..e508726 100644 (file)
--- 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;