1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 91d0c8be63a5..a97aba2ba467 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -57,6 +57,7 @@ MODULE_LICENSE("GPL");
 #define NOTIFY_BRNDOWN_MIN		0x20
 #define NOTIFY_BRNDOWN_MAX		0x2e
 #define NOTIFY_FNLOCK_TOGGLE		0x4e
+#define NOTIFY_KBD_DOCK_CHANGE		0x75
 #define NOTIFY_KBD_BRTUP		0xc4
 #define NOTIFY_KBD_BRTDWN		0xc5
 #define NOTIFY_KBD_BRTTOGGLE		0xc7
@@ -346,7 +347,7 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
 
 static int asus_wmi_input_init(struct asus_wmi *asus)
 {
-	int err;
+	int err, result;
 
 	asus->inputdev = input_allocate_device();
 	if (!asus->inputdev)
@@ -362,6 +363,14 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
 	if (err)
 		goto err_free_dev;
 
+	result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK);
+	if (result >= 0) {
+		input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
+		input_report_switch(asus->inputdev, SW_TABLET_MODE, !result);
+	} else if (result != -ENODEV) {
+		pr_err("Error checking for keyboard-dock: %d\n", result);
+	}
+
 	err = input_register_device(asus->inputdev);
 	if (err)
 		goto err_free_dev;
@@ -2055,9 +2064,9 @@ static int asus_wmi_get_event_code(u32 value)
 
 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
 {
-	int orig_code;
 	unsigned int key_value = 1;
 	bool autorelease = 1;
+	int result, orig_code;
 
 	orig_code = code;
 
@@ -2102,6 +2111,17 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
 		return;
 	}
 
+	if (code == NOTIFY_KBD_DOCK_CHANGE) {
+		result = asus_wmi_get_devstate_simple(asus,
+						      ASUS_WMI_DEVID_KBD_DOCK);
+		if (result >= 0) {
+			input_report_switch(asus->inputdev, SW_TABLET_MODE,
+					    !result);
+			input_sync(asus->inputdev);
+		}
+		return;
+	}
+
 	if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
 		fan_boost_mode_switch_next(asus);
 		return;