From 8d04ddb64c7bf62aec1102fddc5336a68bcaebe9 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dtor@insightbb.com>
Date: Thu, 12 Apr 2007 01:32:09 -0400
Subject: [PATCH] Input: i8042 - disable interfaces when switching to legacy
mode
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 | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index ec195a36e8f66e..ff40b5cbbf3f04 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -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.
*/
--
GitLab