From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752044AbaJCJnn (ORCPT ); Fri, 3 Oct 2014 05:43:43 -0400 Received: from mail-wg0-f51.google.com ([74.125.82.51]:38286 "EHLO mail-wg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751962AbaJCJnl (ORCPT ); Fri, 3 Oct 2014 05:43:41 -0400 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Dmitry Torokhov , Hans de Goede , Yunkang Tang , Tommy Will Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Pali=20Roh=C3=A1r?= Subject: [PATCH 1/3] input: alps: Reset mouse before identifying it Date: Fri, 3 Oct 2014 11:43:10 +0200 Message-Id: <1412329392-5580-2-git-send-email-pali.rohar@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1412329392-5580-1-git-send-email-pali.rohar@gmail.com> References: <1412329392-5580-1-git-send-email-pali.rohar@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On some systems after starting computer function alps_identify() does not detect dual ALPS touchpad+trackstick device correctly and detect only touchpad. Resetting ALPS device before identifiying it fixing this problem and both parts touchpad and trackstick are detected. Signed-off-by: Pali Rohár Tested-by: Pali Rohár --- drivers/input/mouse/alps.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 35a49bf..1bd5aa1 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -2403,6 +2403,8 @@ int alps_detect(struct psmouse *psmouse, bool set_properties) { struct alps_data dummy; + psmouse_reset(psmouse); + if (alps_identify(psmouse, &dummy) < 0) return -1; -- 1.7.9.5