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Check for missing keyboard.

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PR:		7108
Submitted by:	Hellmuth Michaelis <hm@hcs.de>
This commit is contained in:
jkh 1998-07-03 14:34:28 +00:00
parent d5c31bd690
commit a13582e5d0
1 changed files with 26 additions and 0 deletions
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26
sys/i386/isa/pcvt/pcvt_drv.c
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@ -153,6 +153,13 @@ pcprobe(struct isa_device *dev)
{
#ifdef _I386_ISA_KBDIO_H_
kbdc = kbdc_open(IO_KBD);
if(kbdc == NULL)
{
reset_keyboard = 0;
return 1;
}
reset_keyboard = 1; /* it's now safe to do kbd reset */
#endif /* _I386_ISA_KBDIO_H_ */
@ -852,6 +859,25 @@ pcrint(int unit)
u_char *cp;
#endif /* PCVT_KBD_FIFO */
/*
* in case the keyboard was not plugged in while booting, kbdc
* was set to NULL at that time. When a keyboard IRQ occurs and
* kbdc is NULL, the keyboard was probably reconnected to the
* keyboard controller and we have to initialize the keyboard.
*/
if(kbdc == NULL)
{
kbdc = kbdc_open(IO_KBD);
if(kbdc == NULL)
{
reset_keyboard = 0;
return;
}
reset_keyboard = 1;
kbd_code_init();
}
#if PCVT_SCREENSAVER
pcvt_scrnsv_reset();
#endif /* PCVT_SCREENSAVER */