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Flush the keyboard buffer before and after the reset. This should now work 

on all machines and keyboards.
This commit is contained in:
mycroft 1994-03-03 19:11:59 +00:00
parent 39abd30929
commit 3bf0631a5e
1 changed files with 7 additions and 1 deletions
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8
sys/arch/i386/isa/pccons.c
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@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)pccons.c 5.11 (Berkeley) 5/21/91
* $Id: pccons.c,v 1.55 1994/03/02 08:03:02 mycroft Exp $
* $Id: pccons.c,v 1.56 1994/03/03 19:11:59 mycroft Exp $
*/
/*
@ -340,6 +340,9 @@ pcprobe(dev)
}
#if 0
/* Flush any garbage. */
while (inb(KBSTATP) & KBS_DIB)
(void) inb(KBDATAP);
/* Reset the keyboard. */
if (!kbd_cmd(KBC_RESET, 1)) {
printf("pcprobe: reset error %d\n", 1);
@ -350,6 +353,9 @@ pcprobe(dev)
printf("pcprobe: reset error %d\n", 2);
goto lose;
}
/* Flush any garbage. */
while (inb(KBSTATP) & KBS_DIB)
(void) inb(KBDATAP);
/* Just to be safe. */
if (!kbd_cmd(KBC_ENABLE, 1)) {
printf("pcprobe: reset error %d\n", 3);