#define NOTIFY_KBD_BRTUP 0xc4
#define NOTIFY_KBD_BRTDWN 0xc5
#define NOTIFY_KBD_BRTTOGGLE 0xc7
+#define NOTIFY_KBD_FBM 0x99
#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
#define ASUS_FAN_CTRL_MANUAL 1
#define ASUS_FAN_CTRL_AUTO 2
+#define ASUS_FAN_MODE_NORMAL 0
+#define ASUS_FAN_MODE_OVERBOOST 1
+#define ASUS_FAN_MODE_OVERBOOST_MASK 0x01
+#define ASUS_FAN_MODE_SILENT 2
+#define ASUS_FAN_MODE_SILENT_MASK 0x02
+#define ASUS_FAN_MODES_MASK 0x03
+
#define USB_INTEL_XUSB2PR 0xD0
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
+#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
+#define ASUS_ACPI_UID_ATK "ATK"
+
+#define WMI_EVENT_QUEUE_SIZE 0x10
+#define WMI_EVENT_QUEUE_END 0x1
+#define WMI_EVENT_MASK 0xFFFF
+/* The WMI hotkey event value is always the same. */
+#define WMI_EVENT_VALUE_ATK 0xFF
+
+#define WMI_EVENT_MASK 0xFFFF
+
static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
static bool ashs_present(void)
struct bios_args {
u32 arg0;
u32 arg1;
+ u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
} __packed;
/*
int dsts_id;
int spec;
int sfun;
+ bool wmi_event_queue;
struct input_dev *inputdev;
struct backlight_device *backlight_device;
int asus_hwmon_num_fans;
int asus_hwmon_pwm;
+ bool fan_mode_available;
+ u8 fan_mode_mask;
+ u8 fan_mode;
+
struct hotplug_slot hotplug_slot;
struct mutex hotplug_lock;
struct mutex wmi_lock;
struct asus_wmi_driver *driver;
};
+/* Input **********************************************************************/
+
static int asus_wmi_input_init(struct asus_wmi *asus)
{
int err;
asus->inputdev = NULL;
}
-int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
+/* WMI ************************************************************************/
+
+static int asus_wmi_evaluate_method3(u32 method_id,
+ u32 arg0, u32 arg1, u32 arg2, u32 *retval)
{
struct bios_args args = {
.arg0 = arg0,
.arg1 = arg1,
+ .arg2 = arg2,
};
struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
&input, &output);
if (ACPI_FAILURE(status))
- goto exit;
+ return -EIO;
obj = (union acpi_object *)output.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER)
kfree(obj);
-exit:
- if (ACPI_FAILURE(status))
- return -EIO;
-
if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
return -ENODEV;
return 0;
}
+
+int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
+{
+ return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
+}
EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
ASUS_WMI_DSTS_STATUS_BIT);
}
-/*
- * LEDs
- */
+/* LEDs ***********************************************************************/
+
/*
* These functions actually update the LED's, and are called from a
* workqueue. By doing this as separate work rather than when the LED
static void kbd_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
+ /* Prevent disabling keyboard backlight on module unregister */
+ if (led_cdev->flags & LED_UNREGISTERING)
+ return;
+
do_kbd_led_set(led_cdev, value);
}
goto error;
}
- led_val = kbd_led_read(asus, NULL, NULL);
- if (led_val >= 0) {
+ if (!kbd_led_read(asus, &led_val, NULL)) {
asus->kbd_led_wk = led_val;
asus->kbd_led.name = "asus::kbd_backlight";
asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
return rv;
}
+/* RF *************************************************************************/
/*
* PCI hotplug (for wlan rfkill)
return result;
}
+/* Quirks *********************************************************************/
+
static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
{
struct pci_dev *xhci_pdev;
asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
}
-/*
- * Hwmon device
- */
+/* Hwmon device ***************************************************************/
+
static int asus_hwmon_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
int *speed)
{
struct attribute *attr, int idx)
{
struct device *dev = container_of(kobj, struct device, kobj);
- struct platform_device *pdev = to_platform_device(dev->parent);
- struct asus_wmi *asus = platform_get_drvdata(pdev);
+ struct asus_wmi *asus = dev_get_drvdata(dev->parent);
int dev_id = -1;
int fan_attr = -1;
u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
else
ok = fan_attr <= asus->asus_hwmon_num_fans;
} else if (dev_id == ASUS_WMI_DEVID_THERMAL_CTRL) {
- /* If value is zero, something is clearly wrong */
- if (!value)
+ /*
+ * If the temperature value in deci-Kelvin is near the absolute
+ * zero temperature, something is clearly wrong
+ */
+ if (value == 0 || value == 1)
ok = false;
} else if (fan_attr <= asus->asus_hwmon_num_fans && fan_attr != -1) {
ok = true;
static int asus_wmi_hwmon_init(struct asus_wmi *asus)
{
+ struct device *dev = &asus->platform_device->dev;
struct device *hwmon;
- hwmon = hwmon_device_register_with_groups(&asus->platform_device->dev,
- "asus", asus,
- hwmon_attribute_groups);
+ hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
+ hwmon_attribute_groups);
+
if (IS_ERR(hwmon)) {
pr_err("Could not register asus hwmon device\n");
return PTR_ERR(hwmon);
return 0;
}
-/*
- * Backlight
- */
+static int asus_wmi_fan_init(struct asus_wmi *asus)
+{
+ int status;
+
+ asus->asus_hwmon_pwm = -1;
+ asus->asus_hwmon_num_fans = -1;
+ asus->asus_hwmon_fan_manual_mode = false;
+
+ status = asus_hwmon_get_fan_number(asus, &asus->asus_hwmon_num_fans);
+ if (status) {
+ asus->asus_hwmon_num_fans = 0;
+ pr_warn("Could not determine number of fans: %d\n", status);
+ return -ENXIO;
+ }
+
+ pr_info("Number of fans: %d\n", asus->asus_hwmon_num_fans);
+ return 0;
+}
+
+/* Fan mode *******************************************************************/
+
+static int fan_mode_check_present(struct asus_wmi *asus)
+{
+ u32 result;
+ int err;
+
+ asus->fan_mode_available = false;
+
+ err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_MODE, &result);
+ if (err) {
+ if (err == -ENODEV)
+ return 0;
+ else
+ return err;
+ }
+
+ if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
+ (result & ASUS_FAN_MODES_MASK)) {
+ asus->fan_mode_available = true;
+ asus->fan_mode_mask = result & ASUS_FAN_MODES_MASK;
+ }
+
+ return 0;
+}
+
+static int fan_mode_write(struct asus_wmi *asus)
+{
+ int err;
+ u8 value;
+ u32 retval;
+
+ value = asus->fan_mode;
+
+ pr_info("Set fan mode: %u\n", value);
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_MODE, value, &retval);
+
+ if (err) {
+ pr_warn("Failed to set fan mode: %d\n", err);
+ return err;
+ }
+
+ if (retval != 1) {
+ pr_warn("Failed to set fan mode (retval): 0x%x\n", retval);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int fan_mode_switch_next(struct asus_wmi *asus)
+{
+ if (asus->fan_mode == ASUS_FAN_MODE_NORMAL) {
+ if (asus->fan_mode_mask & ASUS_FAN_MODE_OVERBOOST_MASK)
+ asus->fan_mode = ASUS_FAN_MODE_OVERBOOST;
+ else if (asus->fan_mode_mask & ASUS_FAN_MODE_SILENT_MASK)
+ asus->fan_mode = ASUS_FAN_MODE_SILENT;
+ } else if (asus->fan_mode == ASUS_FAN_MODE_OVERBOOST) {
+ if (asus->fan_mode_mask & ASUS_FAN_MODE_SILENT_MASK)
+ asus->fan_mode = ASUS_FAN_MODE_SILENT;
+ else
+ asus->fan_mode = ASUS_FAN_MODE_NORMAL;
+ } else {
+ asus->fan_mode = ASUS_FAN_MODE_NORMAL;
+ }
+
+ return fan_mode_write(asus);
+}
+
+static ssize_t fan_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", asus->fan_mode);
+}
+
+static ssize_t fan_mode_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int result;
+ u8 new_mode;
+
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ result = kstrtou8(buf, 10, &new_mode);
+ if (result < 0) {
+ pr_warn("Trying to store invalid value\n");
+ return result;
+ }
+
+ if (new_mode == ASUS_FAN_MODE_OVERBOOST) {
+ if (!(asus->fan_mode_mask & ASUS_FAN_MODE_OVERBOOST_MASK))
+ return -EINVAL;
+ } else if (new_mode == ASUS_FAN_MODE_SILENT) {
+ if (!(asus->fan_mode_mask & ASUS_FAN_MODE_SILENT_MASK))
+ return -EINVAL;
+ } else if (new_mode != ASUS_FAN_MODE_NORMAL) {
+ return -EINVAL;
+ }
+
+ asus->fan_mode = new_mode;
+ fan_mode_write(asus);
+
+ return result;
+}
+
+// Fan mode: 0 - normal, 1 - overboost, 2 - silent
+static DEVICE_ATTR_RW(fan_mode);
+
+/* Backlight ******************************************************************/
+
static int read_backlight_power(struct asus_wmi *asus)
{
int ret;
return 0;
}
+/* Fn-lock ********************************************************************/
+
static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
{
u32 result;
asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
}
-static void asus_wmi_notify(u32 value, void *context)
+/* WMI events *****************************************************************/
+
+static int asus_wmi_get_event_code(u32 value)
{
- struct asus_wmi *asus = context;
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
int code;
- int orig_code;
- unsigned int key_value = 1;
- bool autorelease = 1;
status = wmi_get_event_data(value, &response);
- if (status != AE_OK) {
- pr_err("bad event status 0x%x\n", status);
- return;
+ if (ACPI_FAILURE(status)) {
+ pr_warn("Failed to get WMI notify code: %s\n",
+ acpi_format_exception(status));
+ return -EIO;
}
obj = (union acpi_object *)response.pointer;
- if (!obj || obj->type != ACPI_TYPE_INTEGER)
- goto exit;
+ if (obj && obj->type == ACPI_TYPE_INTEGER)
+ code = (int)(obj->integer.value & WMI_EVENT_MASK);
+ else
+ code = -EIO;
+
+ kfree(obj);
+ return code;
+}
+
+static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
+{
+ int orig_code;
+ unsigned int key_value = 1;
+ bool autorelease = 1;
- code = obj->integer.value;
orig_code = code;
if (asus->driver->key_filter) {
asus->driver->key_filter(asus->driver, &code, &key_value,
&autorelease);
if (code == ASUS_WMI_KEY_IGNORE)
- goto exit;
+ return;
}
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
code = ASUS_WMI_BRN_UP;
- else if (code >= NOTIFY_BRNDOWN_MIN &&
- code <= NOTIFY_BRNDOWN_MAX)
+ else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
code = ASUS_WMI_BRN_DOWN;
if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
asus_wmi_backlight_notify(asus, orig_code);
- goto exit;
+ return;
}
}
if (code == NOTIFY_KBD_BRTUP) {
kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
- goto exit;
+ return;
}
if (code == NOTIFY_KBD_BRTDWN) {
kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
- goto exit;
+ return;
}
if (code == NOTIFY_KBD_BRTTOGGLE) {
if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
kbd_led_set_by_kbd(asus, 0);
else
kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
- goto exit;
+ return;
}
if (code == NOTIFY_FNLOCK_TOGGLE) {
asus->fnlock_locked = !asus->fnlock_locked;
asus_wmi_fnlock_update(asus);
- goto exit;
+ return;
}
- if (is_display_toggle(code) &&
- asus->driver->quirks->no_display_toggle)
- goto exit;
+ if (asus->fan_mode_available && code == NOTIFY_KBD_FBM) {
+ fan_mode_switch_next(asus);
+ return;
+ }
+
+ if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
+ return;
if (!sparse_keymap_report_event(asus->inputdev, code,
key_value, autorelease))
pr_info("Unknown key %x pressed\n", code);
+}
-exit:
- kfree(obj);
+static void asus_wmi_notify(u32 value, void *context)
+{
+ struct asus_wmi *asus = context;
+ int code;
+ int i;
+
+ for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
+ code = asus_wmi_get_event_code(value);
+
+ if (code < 0) {
+ pr_warn("Failed to get notify code: %d\n", code);
+ return;
+ }
+
+ if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
+ return;
+
+ asus_wmi_handle_event_code(code, asus);
+
+ /*
+ * Double check that queue is present:
+ * ATK (with queue) uses 0xff, ASUSWMI (without) 0xd2.
+ */
+ if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK)
+ return;
+ }
+
+ pr_warn("Failed to process event queue, last code: 0x%x\n", code);
}
-/*
- * Sys helpers
- */
+static int asus_wmi_notify_queue_flush(struct asus_wmi *asus)
+{
+ int code;
+ int i;
+
+ for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
+ code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK);
+
+ if (code < 0) {
+ pr_warn("Failed to get event during flush: %d\n", code);
+ return code;
+ }
+
+ if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
+ return 0;
+ }
+
+ pr_warn("Failed to flush event queue\n");
+ return -EIO;
+}
+
+/* Sysfs **********************************************************************/
+
static int parse_arg(const char *buf, unsigned long count, int *val)
{
if (!count)
&dev_attr_touchpad.attr,
&dev_attr_lid_resume.attr,
&dev_attr_als_enable.attr,
+ &dev_attr_fan_mode.attr,
NULL
};
devid = ASUS_WMI_DEVID_LID_RESUME;
else if (attr == &dev_attr_als_enable.attr)
devid = ASUS_WMI_DEVID_ALS_ENABLE;
+ else if (attr == &dev_attr_fan_mode.attr)
+ ok = asus->fan_mode_available;
if (devid != -1)
ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
}
-/*
- * Platform device
- */
+/* Platform device ************************************************************/
+
static int asus_wmi_platform_init(struct asus_wmi *asus)
{
+ struct device *dev = &asus->platform_device->dev;
+ char *wmi_uid;
int rv;
/* INIT enable hotkeys on some models */
* Note, on most Eeepc, there is no way to check if a method exist
* or note, while on notebooks, they returns 0xFFFFFFFE on failure,
* but once again, SPEC may probably be used for that kind of things.
+ *
+ * Additionally at least TUF Gaming series laptops return nothing for
+ * unknown methods, so the detection in this way is not possible.
+ *
+ * There is strong indication that only ACPI WMI devices that have _UID
+ * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS.
*/
- if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
+ wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
+ if (!wmi_uid)
+ return -ENODEV;
+
+ if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
+ dev_info(dev, "Detected ASUSWMI, use DCTS\n");
+ asus->dsts_id = ASUS_WMI_METHODID_DCTS;
+ } else {
+ dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
asus->dsts_id = ASUS_WMI_METHODID_DSTS;
- else
- asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
+ }
+
+ /*
+ * Some devices can have multiple event codes stored in a queue before
+ * the module load if it was unloaded intermittently after calling
+ * the INIT method (enables event handling). The WMI notify handler is
+ * expected to retrieve all event codes until a retrieved code equals
+ * queue end marker (One or Ones). Old codes are flushed from the queue
+ * upon module load. Not enabling this when it should be has minimal
+ * visible impact so fall back if anything goes wrong.
+ */
+ wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid);
+ if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) {
+ dev_info(dev, "Detected ATK, enable event queue\n");
+
+ if (!asus_wmi_notify_queue_flush(asus))
+ asus->wmi_event_queue = true;
+ }
/* CWAP allow to define the behavior of the Fn+F2 key,
* this method doesn't seems to be present on Eee PCs */
asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
asus->driver->quirks->wapf, NULL);
- return asus_wmi_sysfs_init(asus->platform_device);
+ return 0;
}
-static void asus_wmi_platform_exit(struct asus_wmi *asus)
-{
- asus_wmi_sysfs_exit(asus->platform_device);
-}
+/* debugfs ********************************************************************/
-/*
- * debugfs
- */
struct asus_wmi_debugfs_node {
struct asus_wmi *asus;
char *name;
debugfs_remove_recursive(asus->debug.root);
}
-static int asus_wmi_debugfs_init(struct asus_wmi *asus)
+static void asus_wmi_debugfs_init(struct asus_wmi *asus)
{
- struct dentry *dent;
int i;
asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
- if (!asus->debug.root) {
- pr_err("failed to create debugfs directory\n");
- goto error_debugfs;
- }
- dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR,
- asus->debug.root, &asus->debug.method_id);
- if (!dent)
- goto error_debugfs;
+ debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
+ &asus->debug.method_id);
- dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR,
- asus->debug.root, &asus->debug.dev_id);
- if (!dent)
- goto error_debugfs;
+ debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
+ &asus->debug.dev_id);
- dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR,
- asus->debug.root, &asus->debug.ctrl_param);
- if (!dent)
- goto error_debugfs;
+ debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
+ &asus->debug.ctrl_param);
for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
node->asus = asus;
- dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO,
- asus->debug.root, node,
- &asus_wmi_debugfs_io_ops);
- if (!dent) {
- pr_err("failed to create debug file: %s\n", node->name);
- goto error_debugfs;
- }
+ debugfs_create_file(node->name, S_IFREG | S_IRUGO,
+ asus->debug.root, node,
+ &asus_wmi_debugfs_io_ops);
}
-
- return 0;
-
-error_debugfs:
- asus_wmi_debugfs_exit(asus);
- return -ENOMEM;
}
-static int asus_wmi_fan_init(struct asus_wmi *asus)
-{
- int status;
-
- asus->asus_hwmon_pwm = -1;
- asus->asus_hwmon_num_fans = -1;
- asus->asus_hwmon_fan_manual_mode = false;
-
- status = asus_hwmon_get_fan_number(asus, &asus->asus_hwmon_num_fans);
- if (status) {
- asus->asus_hwmon_num_fans = 0;
- pr_warn("Could not determine number of fans: %d\n", status);
- return -ENXIO;
- }
-
- pr_info("Number of fans: %d\n", asus->asus_hwmon_num_fans);
- return 0;
-}
+/* Init / exit ****************************************************************/
-/*
- * WMI Driver
- */
static int asus_wmi_add(struct platform_device *pdev)
{
struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
if (err)
goto fail_platform;
+ err = fan_mode_check_present(asus);
+ if (err)
+ goto fail_fan_mode;
+
+ err = asus_wmi_sysfs_init(asus->platform_device);
+ if (err)
+ goto fail_sysfs;
+
err = asus_wmi_input_init(asus);
if (err)
goto fail_input;
goto fail_wmi_handler;
}
- err = asus_wmi_debugfs_init(asus);
- if (err)
- goto fail_debugfs;
+ asus_wmi_debugfs_init(asus);
return 0;
-fail_debugfs:
- wmi_remove_notify_handler(asus->driver->event_guid);
fail_wmi_handler:
asus_wmi_backlight_exit(asus);
fail_backlight:
fail_hwmon:
asus_wmi_input_exit(asus);
fail_input:
- asus_wmi_platform_exit(asus);
+ asus_wmi_sysfs_exit(asus->platform_device);
+fail_sysfs:
+fail_fan_mode:
fail_platform:
kfree(asus);
return err;
asus_wmi_led_exit(asus);
asus_wmi_rfkill_exit(asus);
asus_wmi_debugfs_exit(asus);
- asus_wmi_platform_exit(asus);
+ asus_wmi_sysfs_exit(asus->platform_device);
asus_hwmon_fan_set_auto(asus);
kfree(asus);
return 0;
}
-/*
- * Platform driver - hibernate/resume callbacks
- */
+/* Platform driver - hibernate/resume callbacks *******************************/
+
static int asus_hotk_thaw(struct device *device)
{
struct asus_wmi *asus = dev_get_drvdata(device);
.resume = asus_hotk_resume,
};
+/* Registration ***************************************************************/
+
static int asus_wmi_probe(struct platform_device *pdev)
{
struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
projects / linux-2.6-microblaze.git / blobdiff