[src/trunk]: src/sys/dev/pci Make fixed rate codecs work. From Tsuyoshi Iguc...

[augustss <augustss%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f8909925146a
branches:  trunk
changeset: 522253:f8909925146a
user:      augustss <augustss%NetBSD.org@localhost>
date:      Thu Feb 14 03:22:36 2002 +0000

description:
Make fixed rate codecs work.  From Tsuyoshi Iguchi in kern/15606.

diffstat:

 sys/dev/pci/auich.c |  14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diffs (42 lines):

diff -r 2cd50c252010 -r f8909925146a sys/dev/pci/auich.c
--- a/sys/dev/pci/auich.c       Thu Feb 14 03:21:07 2002 +0000
+++ b/sys/dev/pci/auich.c       Thu Feb 14 03:22:36 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: auich.c,v 1.9 2002/02/02 11:13:44 augustss Exp $       */
+/*     $NetBSD: auich.c,v 1.10 2002/02/14 03:22:36 augustss Exp $      */
 
 /*-
  * Copyright (c) 2000 The NetBSD Foundation, Inc.
@@ -80,7 +80,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.9 2002/02/02 11:13:44 augustss Exp $");
+__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.10 2002/02/14 03:22:36 augustss Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -401,6 +401,7 @@
                sc->sc_fixed_rate = 0;
        } else {
                sc->sc_fixed_rate = 48000;
+               printf("%s: warning, fixed rate codec\n", sc->sc_dev.dv_xname);
        }
 
        audio_attach_mi(&auich_hw_if, sc, &sc->sc_dev);
@@ -669,6 +670,15 @@
                    sc->sc_fixed_rate ? sc->sc_fixed_rate : p->sample_rate);
                auich_read_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE, &rate);
                p->sample_rate = rate;
+               if (sc->sc_fixed_rate) {
+                       p->sample_rate = sc->sc_fixed_rate;
+               } else {
+                       auich_write_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE,
+                           p->sample_rate);
+                       auich_read_codec(sc, AC97_REG_PCM_FRONT_DAC_RATE,
+                           &rate);
+                       p->sample_rate = rate;
+                }
 
                auich_write_codec(sc, AC97_REG_POWER, val);
        }