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In a PC keyboard doesn't accept a "set to scanset 2" command, reset it

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and ignore the error. Scanset 2 should be the default after reset, so
this allows some broken keyboards to work. (Reset is needed because at
least 1 keyboard locks up if the "set scanset" is attempted.)
This commit is contained in:
drochner 1999-03-26 12:39:13 +00:00
parent 632ad8cde6
commit 068cafa92a
1 changed files with 14 additions and 2 deletions
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16
sys/dev/pckbc/pckbd.c
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@ -1,4 +1,4 @@
/* $NetBSD: pckbd.c,v 1.16 1999/01/26 11:07:25 drochner Exp $ */
/* $NetBSD: pckbd.c,v 1.17 1999/03/26 12:39:13 drochner Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -206,10 +206,22 @@ pckbd_set_xtscancode(kbctag, kbcslot)
cmd[0] = KBC_SETTABLE;
cmd[1] = 2;
res = pckbc_poll_cmd(kbctag, kbcslot, cmd, 2, 0, 0, 0);
if (res) {
u_char cmd[1];
#ifdef DEBUG
if (res)
printf("pckbd: error setting scanset 2\n");
#endif
/*
* XXX at least one keyboard is reported to lock up
* if a "set table" is attempted, thus the "reset".
* XXX ignore errors, scanset 2 should be
* default anyway.
*/
cmd[0] = KBC_RESET;
(void)pckbc_poll_cmd(kbctag, kbcslot, cmd, 1, 1, 0, 1);
pckbc_flush(kbctag, kbcslot);
res = 0;
}
} else {
/* Stupid 8042; set keyboard to XT codes. */
cmd[0] = KBC_SETTABLE;