asus-wmi: fix hwmon/pwm1

The code was completly broken, and should never had been sent
to the kernel. That's what happens when you write code without
hardware to test it.

Cc: stable@kernel.org
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 65b66aa44c786f64dba15a94d607b292260630e7..bcb9fb41ddc44cd9da9f0fde7487824830dacf34 100644 (file)
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -797,8 +797,8 @@ exit:
  * Hwmon device
  */
 static ssize_t asus_hwmon_pwm1(struct device *dev,
-                           struct device_attribute *attr,
-                           char *buf)
+                              struct device_attribute *attr,
+                              char *buf)
 {
        struct asus_wmi *asus = dev_get_drvdata(dev);
        u32 value;
@@ -809,7 +809,7 @@ static ssize_t asus_hwmon_pwm1(struct device *dev,
        if (err < 0)
                return err;
 
-       value |= 0xFF;
+       value &= 0xFF;
 
        if (value == 1) /* Low Speed */
                value = 85;
@@ -869,7 +869,7 @@ static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
                 * - reverved bits are non-zero
                 * - sfun and presence bit are not set
                 */
-               if (value != ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
+               if (value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
                    || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
                        ok = false;
        }
@@ -904,6 +904,7 @@ static int asus_wmi_hwmon_init(struct asus_wmi *asus)
                pr_err("Could not register asus hwmon device\n");
                return PTR_ERR(hwmon);
        }
+       dev_set_drvdata(hwmon, asus);
        asus->hwmon_device = hwmon;
        result = sysfs_create_group(&hwmon->kobj, &hwmon_attribute_group);
        if (result)