[PATCH][SRU] UBUNTU: SAUCE: (drop after 2.6.31) input: Add hotkey quirk for Samsung Q210/P210 laptops

[Keng-Yu Lin]

SRU Justification:

Impact:
  Some hotkeys do not produce key release events so not function well.

Fix:
  Add quirks in atkbd.c to force a key release.
  (in 2.6.32, this can be done via /sys from userspace)

Testcase:
  A user reported this patch works well.

-
>From 10cc63dff1ccb95432ddded56786f4ad5dbbde87 Mon Sep 17 00:00:00 2001
From: Keng-Yu Lin <keng-yu.lin at canonical.com>
Date: Fri, 11 Dec 2009 11:24:39 +0800
Subject: [PATCH] UBUNTU: SAUCE: (drop after 2.6.31) input: Add hotkey quirk for Samsung Q210/P210 laptops

Hotkeys do not produce release events. Add the quirk to force a key release.

In 2.6.32, a /sys interface is provided to handle setting from userspace.
It is not necessary to apply this patch to newer version than 2.6.31.

OriginalAuthor: Alexander Huhlaev <sancheolz at gmail.com>
BugLink: http://bugs.launchpad.net/bugs/385683

Signed-off-by: Keng-Yu Lin <keng-yu.lin at canonical.com>
---
 drivers/input/keyboard/atkbd.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 6529fe9..5f32d73 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1625,6 +1625,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
 		.driver_data = atkbd_samsung_forced_release_keys,
 	},
 	{
+		.ident = "Samsung Q210/P210",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Q210/P210"),
+		},
+		.callback = atkbd_setup_forced_release,
+		.driver_data = atkbd_samsung_forced_release_keys,
+	},
+	{
 		.ident = "Fujitsu Amilo PA 1510",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-- 
1.6.3.3