Messages in this thread Patch in this message | | | From | Dmitry Torokhov <> | Subject | [PATCH 7/16] Limit Synaptics rate on Toshiba Satellites | Date | Wed, 29 Dec 2004 02:24:13 -0500 |
| |
===================================================================
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 <dtor@mail.ru>
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 <linux/dmi.h> +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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |