diff options
| author | Corentin Chary <corentin.chary@gmail.com> | 2011-07-01 11:34:36 +0200 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2011-08-05 14:46:00 -0400 |
| commit | 6118b8adb50c23714d5be089965082bbbb48d831 (patch) | |
| tree | 879b67364770980827d8202b064e1612ef79e816 /drivers/platform/x86/asus-wmi.c | |
| parent | 79ec1172c29ed521f1652b0b44dceb84ba115541 (diff) | |
asus-wmi: add thermal sensor
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index e60385df4af2..d01f767c7b69 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -44,6 +44,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/platform_device.h> +#include <linux/thermal.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> @@ -930,7 +931,26 @@ static ssize_t asus_hwmon_pwm1(struct device *dev, return sprintf(buf, "%d\n", value); } +static ssize_t asus_hwmon_temp1(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + u32 value; + int err; + + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value); + + if (err < 0) + return err; + + value = KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000; + + return sprintf(buf, "%d\n", value); +} + static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL, 0); static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) @@ -941,6 +961,7 @@ static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); static struct attribute *hwmon_attributes[] = { &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_name.dev_attr.attr, NULL }; |