From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261520AbUL2H5D (ORCPT ); Wed, 29 Dec 2004 02:57:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261475AbUL2Hku (ORCPT ); Wed, 29 Dec 2004 02:40:50 -0500 Received: from smtp802.mail.sc5.yahoo.com ([66.163.168.181]:15023 "HELO smtp802.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261425AbUL2Hd1 (ORCPT ); Wed, 29 Dec 2004 02:33:27 -0500 From: Dmitry Torokhov To: Vojtech Pavlik Subject: [PATCH 7/16] Limit Synaptics rate on Toshiba Satellites Date: Wed, 29 Dec 2004 02:24:13 -0500 User-Agent: KMail/1.6.2 Cc: linux-input@atrey.karlin.mff.cuni.cz, LKML References: <200412290217.36282.dtor_core@ameritech.net> <200412290222.25300.dtor_core@ameritech.net> <200412290223.24307.dtor_core@ameritech.net> In-Reply-To: <200412290223.24307.dtor_core@ameritech.net> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200412290224.14315.dtor_core@ameritech.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org =================================================================== ChangeSet@1.1957.1.34, 2004-11-12 01:31:15-05:00, dtor_core@ameritech.net Input: synaptics - use DMI to detect Toshiba Satellite notebooks and automatically reduce touchpad reporting rate to 40 pps as they have trouble handling high rate (80 pps). Signed-off-by: Dmitry Torokhov synaptics.c | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+) =================================================================== diff -Nru a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c --- a/drivers/input/mouse/synaptics.c 2004-12-29 01:48:12 -05:00 +++ b/drivers/input/mouse/synaptics.c 2004-12-29 01:48:12 -05:00 @@ -604,6 +604,20 @@ return 0; } +#if defined(__i386__) +#include +static struct dmi_system_id toshiba_dmi_table[] = { + { + .ident = "Toshiba Satellite", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME , "Satellite"), + }, + }, + { } +}; +#endif + int synaptics_init(struct psmouse *psmouse) { struct synaptics_data *priv; @@ -636,6 +650,18 @@ psmouse->disconnect = synaptics_disconnect; psmouse->reconnect = synaptics_reconnect; psmouse->pktsize = 6; + +#if defined(__i386__) + /* + * Toshiba's KBC seems to have trouble handling data from + * Synaptics as full rate, switch to lower rate which is roughly + * thye same as rate of standard PS/2 mouse. + */ + if (psmouse->rate >= 80 && dmi_check_system(toshiba_dmi_table)) { + printk(KERN_INFO "synaptics: Toshiba Satellite detected, limiting rate to 40pps.\n"); + psmouse->rate = 40; + } +#endif return 0;