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From: Hans de Goede <hdegoede@redhat.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
	stable@vger.kernel.org
Subject: [PATCH] elantech: Fix detection of touchpad on ASUS s301l
Date: Wed,  3 Sep 2014 16:24:02 +0200	[thread overview]
Message-ID: <1409754242-10196-1-git-send-email-hdegoede@redhat.com> (raw)

http://mariusmonton.com/?p=489

Cc: stable@vger.kernel.org
Reported-and-tested-by: Màrius Monton <marius.monton@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/input/mouse/elantech.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index daaf82f..fad7367 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1331,6 +1331,13 @@ static bool elantech_is_signature_valid(const unsigned char *param)
 	if (param[1] == 0)
 		return true;
 
+	/*
+	 * Some models have a revision higher then 20. Meaning param[2] may
+	 * be 10 or 20, skip the rates check for these.
+	 */
+	if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40)
+		return true;
+
 	for (i = 0; i < ARRAY_SIZE(rates); i++)
 		if (param[2] == rates[i])
 			return false;
-- 
2.1.0

             reply	other threads:[~2014-09-03 14:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-03 14:24 Hans de Goede [this message]
2014-09-08 21:40 ` [PATCH] elantech: Fix detection of touchpad on ASUS s301l Dmitry Torokhov

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