@@ -2289,6 +2289,54 @@ static ssize_t usb_three_store(struct device *dev,
}
static DEVICE_ATTR_RW(usb_three);
+static ssize_t cooling_method_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ int state;
+ int ret;
+
+ ret = toshiba_cooling_method_get(toshiba, &state);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%d %d\n", state, toshiba->max_cooling_method);
+}
+
+static ssize_t cooling_method_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ int state;
+ int ret;
+
+ ret = kstrtoint(buf, 0, &state);
+ if (ret)
+ return ret;
+
+ /*
+ * Check for supported values
+ * Depending on the laptop model, some only support these two:
+ * 0 - Maximum Performance
+ * 1 - Battery Optimized
+ *
+ * While some others support all three methods:
+ * 0 - Maximum Performance
+ * 1 - Performance
+ * 2 - Battery Optimized
+ */
+ if (state < 0 || state > toshiba->max_cooling_method)
+ return -EINVAL;
+
+ ret = toshiba_cooling_method_set(toshiba, state);
+ if (ret)
+ return ret;
+
+ return count;
+}
+static DEVICE_ATTR_RW(cooling_method);
+
static struct attribute *toshiba_attributes[] = {
&dev_attr_version.attr,
&dev_attr_fan.attr,
@@ -2305,6 +2353,7 @@ static struct attribute *toshiba_attributes[] = {
&dev_attr_kbd_function_keys.attr,
&dev_attr_panel_power_on.attr,
&dev_attr_usb_three.attr,
+ &dev_attr_cooling_method.attr,
NULL,
};
@@ -2339,6 +2388,8 @@ static umode_t toshiba_sysfs_is_visible(struct kobject *kobj,
exists = (drv->panel_power_on_supported) ? true : false;
else if (attr == &dev_attr_usb_three.attr)
exists = (drv->usb_three_supported) ? true : false;
+ else if (attr == &dev_attr_cooling_method.attr)
+ exists = (drv->cooling_method_supported) ? true : false;
return exists ? attr->mode : 0;
}
This patch adds the sysfs entry Signed-off-by: Azael Avalos <coproscefalo@gmail.com> --- drivers/platform/x86/toshiba_acpi.c | 51 +++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+)