Re: [RFT/PATCH] Toshiba Satellite, Synaptics & keyboard problems

[Juergen Quade]

On Mon, Nov 08, 2004 at 01:54:52AM -0500, Dmitry Torokhov wrote:
> Hi,
> 
> If anyone experiencing keyboard getting "stuck" when you use Synaptics
> touchpad in native mode on Toshiba Satellite type notebooks it seems that
> lowering rate to 40 pps (which is roughly the same as standard PS/2 rate
> bytewise) helps.
> 
> Please try the patch below (should apply to -mm tree) and see if it helps
> any. If not using -mm tree just use "psmouse.rate=40" or "modprobe psmouse
> rate=40" to check if fix is working for you and let me know.

I have problems with "no keyboard" since Kernel 2.6.9.
I am not using a -mm tree and booting with "psmouse.rate=40" does
_not_ fix the problem :-(   (tested with 2.6.9 and 2.6.10-rc1).

As soon as X is started I have no keyboard.
My box is a Acer Travelmate 290 notebook with synaptics/alps
touchpad.

          Juergen.
> 
> Thanks!
> 
> -- 
> Dmitry
> 
> 
> ===================================================================
> 
> 
> ChangeSet@xxxxxx, 2004-11-08 01:51:37-05:00, dtor_core@xxxxxxxxxxxxx
>   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@xxxxxxx>
> 
> 
>  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	2004-11-08 01:52:54 -05:00
> +++ b/drivers/input/mouse/synaptics.c	2004-11-08 01:52:54 -05:00
> @@ -604,6 +604,20 @@
>  	return 0;
>  }
>  
> +#if defined(__i386__)
> +#include <linux/dmi.h>
> +static struct dmi_system_id synaptics_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 (dmi_check_system(synaptics_dmi_table)) {
> +		printk(KERN_INFO "synaptics: Toshiba Satellite detected, limiting rate to 40pps.\n");
> +		psmouse->rate = 40;
> +	}
> +#endif
>  
>  	return 0;
>  
> -
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