on Mon, Mar 27, 2000 at 03:31:54AM -0500, Brent Verner typed aloud:
sorry... I forgot to say that the patch is against 2.2.14 clean.
b
> hi,
> The following patch reenables the (ps2) mouse after it has
> been unplugged and plugged back in, or when using a KVM switch
> between machines.
>
> note: the scancode==170 that I'm using might not work for all
> cases, but has been tested with 2 logitech and 1 MS mouse.
>
> FWIW, the keyboard (MS Natural) sends the same scancode when it
> is reconnected.
>
> cheers.
> b
>
> ======= patch follows =======
> --- pc_keyb.c Mon Mar 27 03:16:39 2000
> +++ pc_keyb.c.brent Mon Mar 27 03:20:13 2000
> @@ -56,6 +56,7 @@
>
> static void kbd_write_command_w(int data);
> static void kbd_write_output_w(int data);
> +static void aux_write_ack(int val);
>
> spinlock_t kbd_controller_lock = SPIN_LOCK_UNLOCKED;
> static unsigned char handle_kbd_event(void);
> @@ -73,6 +74,9 @@
>
> static int __init psaux_init(void);
>
> +#define AUX_RECONNECT 170
> +/* #define CHECK_RECONNECT_SCANCODE 1 */
> +
> static struct aux_queue *queue; /* Mouse data buffer. */
> static int aux_count = 0;
> /* used when we send commands to the mouse that expect an ACK. */
> @@ -393,6 +397,19 @@
> }
> mouse_reply_expected = 0;
> }
> + else if(scancode == AUX_RECONNECT){
> + queue->head = queue->tail = 0; /* Flush input queue */
> + /*
> + * need this stuff? seems to work fine w/o it for me
> + aux_write_ack(AUX_SET_SAMPLE);
> + aux_write_ack(100);
> + aux_write_ack(AUX_SET_RES);
> + aux_write_ack(3);
> + aux_write_ack(AUX_SET_SCALE21);
> + */
> + aux_write_ack(AUX_ENABLE_DEV); /* ping the mouse :) */
> + return;
> + }
>
> add_mouse_randomness(scancode);
> if (aux_count) {
> @@ -426,6 +443,9 @@
> unsigned char scancode;
>
> scancode = kbd_read_input();
> +# ifdef CHECK_RECONNECT_SCANCODE
> + printk(KERN_INFO "-=db=-: kbd_read_input() : scancode == %d\n",scancode);
> +# endif
> if (status & KBD_STAT_MOUSE_OBF) {
> handle_mouse_event(scancode);
> } else {
--
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This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:19 EST