linux-kernel - [PATCH 3.16.y-ckt 029/144] Input: synaptics - skip quirks when post-2013 dimensions

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Message-Id: <1429630329-21748-30-git-send-email-luis.henriques@canonical.com>
Date:	Tue, 21 Apr 2015 16:30:14 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 029/144] Input: synaptics - skip quirks when post-2013 dimensions

3.16.7-ckt10 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Benjamin Tissoires <benjamin.tissoires@...hat.com>

commit 02e07492cdfae9c86e3bd21c0beec88dbcc1e9e8 upstream.

Post-2013 Lenovo laptops provide correct min/max dimensions, which are
different with the ones currently quirked.  According to
https://bugzilla.kernel.org/show_bug.cgi?id=91541 the following board ids
are assigned in the post-2013 touchpads:

t440p/t440s: LEN0036 -> 2964/2962
t540p:       LEN0034 -> 2964

Using 2961 as the common minimum makes these 3 laptops OK. We may need
to update those values later if other pnp_ids has a lower board_id.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Acked-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/input/mouse/synaptics.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 8f37989908a8..5d9e1cba62c0 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -142,7 +142,7 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
 		(const char * const []){"LEN0034", "LEN0036", "LEN0037",
 					"LEN0039", "LEN2002", "LEN2004",
 					NULL},
-		{ANY_BOARD_ID, ANY_BOARD_ID},
+		{ANY_BOARD_ID, 2961},
 		1024, 5112, 2024, 4832
 	},
 	{
--
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