From 75c93a9cf8142b2bce43aa6033171ad2a7f1c39c Mon Sep 17 00:00:00 2001
From: Duke Fong <duke@dukelec.com>
Date: Thu, 30 Aug 2018 13:17:40 +0800
Subject: fuck lenovo


diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index f26bcbbc..7b6225d5 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -81,6 +81,9 @@ acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags)
  *
  ******************************************************************************/
 
+#include <linux/input/mt.h>
+extern struct input_dev *duke_dev;
+
 acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
 {
 	acpi_status status;
@@ -119,6 +122,20 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
 			  "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
 			  info->node->name.ascii, info->node, info->obj_desc));
 
+	{
+		char code_name[5];
+		memcpy(code_name, info->node->name.ascii, 4);
+		code_name[4] = '\0';
+		//printk(KERN_DEBUG "%s, parse: %s\n", __FUNCTION__, code_name); // _Q4B
+		if (duke_dev != NULL && strcmp(code_name, "_Q4B") == 0) {
+			printk(KERN_DEBUG "report Esc\n");
+			input_event(duke_dev, 1, 1, 1);
+			input_event(duke_dev, 1, 1, 0);
+			input_sync(duke_dev);
+		}
+	}
+
 	/* Create and init a Root Node */
 
 	op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 6365c195..06f35240 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -408,6 +408,8 @@ static void input_handle_event(struct input_dev *dev,
 
 }
 
+struct input_dev *duke_dev = NULL;
+
 /**
  * input_event() - report new input event
  * @dev: device that generated the event
@@ -430,6 +432,14 @@ void input_event(struct input_dev *dev,
 {
 	unsigned long flags;
 
+	if (duke_dev == NULL && dev && dev->name && strcmp(dev->name, "AT Translated Set 2 keyboard") == 0) {
+		printk(KERN_DEBUG "AT pressed.\n");
+		duke_dev = dev;
+	}
+
 	if (is_event_supported(type, dev->evbit, EV_MAX)) {
 
 		spin_lock_irqsave(&dev->event_lock, flags);