From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759161AbcDANJV (ORCPT ); Fri, 1 Apr 2016 09:09:21 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:32958 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754500AbcDANHM (ORCPT ); Fri, 1 Apr 2016 09:07:12 -0400 From: Gabriele Mazzotta To: dmitry.torokhov@gmail.com, benjamin.tissoires@gmail.com Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, rydberg@bitmath.org, silverhammermba@gmail.com, peter.hutterer@who-t.net, hdegoede@redhat.com, grafi@grafi.jp, oneukum@suse.de, Gabriele Mazzotta Subject: [PATCH v4 1/4] input: synaptics - fix pressure values calculation on image sensors Date: Fri, 1 Apr 2016 15:06:49 +0200 Message-Id: <1459516012-8060-2-git-send-email-gabriele.mzt@gmail.com> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1459516012-8060-1-git-send-email-gabriele.mzt@gmail.com> References: <1459516012-8060-1-git-send-email-gabriele.mzt@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The pressure values retrieved from secondary packets was incorrectly shifted, making them lower than what they actually were. Since this only happened with secondary packets, the values reported when only one finger was present on the touchpad were correct. Signed-off-by: Gabriele Mazzotta --- 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 a41d832..01fccca 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -677,7 +677,7 @@ static void synaptics_parse_agm(const unsigned char buf[], agm->w = hw->w; agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; - agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; + agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 2; break; case 2: -- 2.8.0.rc3