Input: i8042 - disable interfaces when switching to legacy mode
authorDmitry Torokhov <dtor@insightbb.com>
Thu, 12 Apr 2007 05:32:09 +0000 (01:32 -0400)
committerDmitry Torokhov <dtor@insightbb.com>
Thu, 12 Apr 2007 05:32:09 +0000 (01:32 -0400)
Disable both keyboard and auxiliary interfaces before switching
to legacy mode to prevent atkbd from getting "empty" interrupts.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/serio/i8042.c

index ec195a36e8f66ea9f170698d5b6dbb34f6140649..ff40b5cbbf3f042f9329bb51d4a2273a57b9b8f3 100644 (file)
@@ -761,6 +761,13 @@ static void i8042_controller_reset(void)
 {
        i8042_flush();
 
+/*
+ * Disable both KBD and AUX interfaces so they don't get in the way
+ */
+
+       i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS;
+       i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
+
 /*
  * Disable MUX mode if present.
  */