Re: Acer-WMI disables touchpad and other issues

[joeyli <jlee@suse.com>]

Hi Nathanael

於 三，2012-08-15 於 10:45 -0600，Nathanael D. Noblet 提到：
> Hello,
> 
>    I recently purchased an Acer Aspire One (model A0275-0691). It has an 
> elantech touchpad. As detailed in this bug: 
> https://bugzilla.redhat.com/show_bug.cgi?id=848270 the acer-wmi driver 
> has two issues on this device.
> 
> #1) It is sending TOUCHPAD_TOGGLE and simultaneously changing state
> #2) It disables the touchpad at init
> 
> It should apparently be doing neither of those. If I boot with acer-wmi 
> blacklisted the touchpad works perfectly, all other Fn+key combos work 
> other than brightness control.
> 
> 

Please help to test this testing patch. And, please attach dmidecode on
bugzilla or here. 
If this testing patch can avoid problem on your machine, then I will
write code to parser the dmidecode information for grab the acpi code of
touchpad.


Thanks a lot!
Joey Lee


From 969d1c0bb4fc4b69ef9d037687b4591fbd9df24f Mon Sep 17 00:00:00 2001
From: Lee, Chun-Yi <jlee@suse.com>
Date: Thu, 16 Aug 2012 11:28:20 +0800
Subject: [PATCH] acer-wmi: test patch for remove 0x82 acpi event with KEY_TOUCHPAD_TOGGLE


Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
---
 drivers/platform/x86/acer-wmi.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 3782e1c..db7376b 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -125,7 +125,7 @@ static const struct key_entry acer_wmi_keymap[] = {
 	{KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
 	{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} },	/* Display Switch */
 	{KE_IGNORE, 0x81, {KEY_SLEEP} },
-	{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} },	/* Touch Pad On/Off */
+//	{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} },	/* Touch Pad On/Off */
 	{KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
 	{KE_END, 0}
 };
-- 
1.6.0.2