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path: root/drivers/platform/x86/asus-wmi.c
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Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
-rw-r--r--drivers/platform/x86/asus-wmi.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 3c7857c71a2..e1678b90083 100644
--- 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)
@@ -1164,14 +1165,18 @@ ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- int value;
+ int value, rv;
if (!count || sscanf(buf, "%i", &value) != 1)
return -EINVAL;
if (value < 0 || value > 2)
return -EINVAL;
- return asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
+ rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
+ if (rv < 0)
+ return rv;
+
+ return count;
}
static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);