Toshiba keyboard workaroun

From: Pavel Machek (pavel@ucw.cz)
Date: Tue Feb 18 2003 - 16:19:40 EST


Hi!

You said that you'll submit toshiba keyboard fix for 2.4 to
marcelo... Here goes 2.5 version, will you submit it to Linus? ;-).

--- clean/drivers/char/keyboard.c 2003-02-15 18:51:18.000000000 +0100
+++ linux/drivers/char/keyboard.c 2003-02-15 19:19:45.000000000 +0100
@@ -1020,6 +1041,23 @@
         struct tty_struct *tty;
         int shift_final;
 
+ /*
+ * Fix for Toshiba Satellites. Toshiba's like to repeat
+ * "key down" event for A in combinations like shift-A.
+ * Thanx to Andrei Pitis <pink@roedu.net>.
+ */
+ static int prev_scancode = 0;
+ static int stop_jiffies = 0;
+
+ /* new scancode, trigger delay */
+ if (keycode != prev_scancode) stop_jiffies = jiffies;
+ else if (jiffies - stop_jiffies >= 10) stop_jiffies = 0;
+ else {
+ printk( "Keyboard glitch detected, ignoring keypress\n" );
+ return;
+ }
+ prev_scancode = keycode;
+
         if (down != 2)
                 add_keyboard_randomness((keycode << 1) ^ down);
 

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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