Re: [RFC][PATCH] "Disable Trackpad while typing" on Notebooks withh a PS/2 Trackpad

[mru@users.sourceforge.net (Måns Rullgård)]

Hans-Georg Thien <1682-600@onlinehome.de> writes:

>  static inline void handle_keyboard_event(unsigned char scancode)
>  {
> +
> +#ifdef CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
> +
> +        /* setup a timer to re-enable the trackpad */
> +        static struct timer_list enable_trackpad_timer;
> +        static int enable_trackpad_timer_initialized=0;
> +
> +        disable_trackpad_while_typing=1; /* disable trackpad */
> +
> +        if(enable_trackpad_timer_initialized)
> +        {
> +                 /* trackpad timer already exists, - just restart it */
> +                 mod_timer(&enable_trackpad_timer, jiffies+trackpad_delay);
> +        }
> +        else
> +        {
> +                 /* no trackpad timer yet. Initialize and start it */
> +                 init_timer(&enable_trackpad_timer);
> +                 enable_trackpad_timer.expires=jiffies+trackpad_delay;
> +                 enable_trackpad_timer.function=enable_trackpad;
> +                 add_timer(&enable_trackpad_timer);
> +                 enable_trackpad_timer_initialized=1;

The else block would probably be better off in some initialization
function.  Maybe the same place that sets up the interrupt handler is
appropriate.

-- 
Måns Rullgård
mru@users.sf.net