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An ICH board needs reading AC97_REG_RESET before reading AC97_VENDOR_ID. 

(why?)
http://mail-index.netbsd.org/current-users/2003/11/22/0007.html
This commit is contained in:
kent 2003-11-24 16:05:10 +00:00
parent c7f488a7ae
commit f2680f731e
1 changed files with 3 additions and 3 deletions
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6
sys/dev/ic/ac97.c
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@ -1,4 +1,4 @@
/* $NetBSD: ac97.c,v 1.51 2003/11/22 06:15:29 kent Exp $ */
/* $NetBSD: ac97.c,v 1.52 2003/11/24 16:05:10 kent Exp $ */
/* $OpenBSD: ac97.c,v 1.8 2000/07/19 09:01:35 csapuntz Exp $ */
/*
@ -63,7 +63,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.51 2003/11/22 06:15:29 kent Exp $");
__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.52 2003/11/24 16:05:10 kent Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -887,9 +887,9 @@ ac97_attach(struct ac97_host_if *host_if)
as->host_flags = host_if->flags(host_if->arg);
ac97_setup_defaults(as);
ac97_read(as, AC97_REG_RESET, &as->caps);
ac97_read(as, AC97_REG_VENDOR_ID1, &id1);
ac97_read(as, AC97_REG_VENDOR_ID2, &id2);
ac97_read(as, AC97_REG_RESET, &as->caps);
id = (id1 << 16) | id2;