[patch] patch to fix keyboard key repeat problem on Toshiba laptops

keyrepeat.patch (text/plain), 959 bytes, created by Andrew Cowie on 2003-04-02 06:40:24 UTC

--- drivers/char/keyboard.c	Sat Mar 30 07:45:50 2002
+++ drivers/char/keyboard.c	Fri Jan 10 08:23:45 2003
@@ -94,6 +95,7 @@
 static struct tty_struct **ttytab;
 static struct kbd_struct * kbd = kbd_table;
 static struct tty_struct * tty;
+static unsigned char prev_scancode;
 
 void compute_shiftstate(void);
 
@@ -213,7 +215,17 @@
 	}
 	kbd = kbd_table + fg_console;
 	if ((raw_mode = (kbd->kbdmode == VC_RAW))) {
-		put_queue(scancode | up_flag);
+		/*
+		 *	The following is a workaround for hardware
+		 *	which sometimes send the key release event twice 
+		 */
+		unsigned char next_scancode = scancode|up_flag;
+		if (up_flag && next_scancode==prev_scancode) {
+			/* unexpected 2nd release event */
+		} else {
+			prev_scancode=next_scancode;
+			put_queue(next_scancode);
+		}
 		/* we do not return yet, because we want to maintain
 		   the key_down array, so that we have the correct
 		   values when finishing RAW mode or when changing VT's */