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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.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index ee1fa93708ec..f94691615881 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -66,10 +66,13 @@ MODULE_LICENSE("GPL");
#define NOTIFY_BRNUP_MAX 0x1f
#define NOTIFY_BRNDOWN_MIN 0x20
#define NOTIFY_BRNDOWN_MAX 0x2e
+#define NOTIFY_FNLOCK_TOGGLE 0x4e
#define NOTIFY_KBD_BRTUP 0xc4
#define NOTIFY_KBD_BRTDWN 0xc5
#define NOTIFY_KBD_BRTTOGGLE 0xc7
+#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
+
#define ASUS_FAN_DESC "cpu_fan"
#define ASUS_FAN_MFUN 0x13
#define ASUS_FAN_SFUN_READ 0x06
@@ -177,6 +180,8 @@ struct asus_wmi {
struct workqueue_struct *hotplug_workqueue;
struct work_struct hotplug_work;
+ bool fnlock_locked;
+
struct asus_wmi_debug debug;
struct asus_wmi_driver *driver;
@@ -1619,6 +1624,23 @@ static int is_display_toggle(int code)
return 0;
}
+static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
+{
+ u32 result;
+
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
+
+ return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
+ !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
+}
+
+static void asus_wmi_fnlock_update(struct asus_wmi *asus)
+{
+ int mode = asus->fnlock_locked;
+
+ asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
+}
+
static void asus_wmi_notify(u32 value, void *context)
{
struct asus_wmi *asus = context;
@@ -1680,6 +1702,12 @@ static void asus_wmi_notify(u32 value, void *context)
goto exit;
}
+ if (code == NOTIFY_FNLOCK_TOGGLE) {
+ asus->fnlock_locked = !asus->fnlock_locked;
+ asus_wmi_fnlock_update(asus);
+ goto exit;
+ }
+
if (is_display_toggle(code) &&
asus->driver->quirks->no_display_toggle)
goto exit;
@@ -2134,6 +2162,11 @@ static int asus_wmi_add(struct platform_device *pdev)
} else
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
+ if (asus_wmi_has_fnlock_key(asus)) {
+ asus->fnlock_locked = true;
+ asus_wmi_fnlock_update(asus);
+ }
+
status = wmi_install_notify_handler(asus->driver->event_guid,
asus_wmi_notify, asus);
if (ACPI_FAILURE(status)) {
@@ -2213,6 +2246,8 @@ static int asus_hotk_resume(struct device *device)
if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
kbd_led_update(asus);
+ if (asus_wmi_has_fnlock_key(asus))
+ asus_wmi_fnlock_update(asus);
return 0;
}
@@ -2249,6 +2284,8 @@ static int asus_hotk_restore(struct device *device)
if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
kbd_led_update(asus);
+ if (asus_wmi_has_fnlock_key(asus))
+ asus_wmi_fnlock_update(asus);
return 0;
}