[src/trunk]: src/sys/dev/ic If the codec is fixed-rate, ac97_set_rate() retur...

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

details:   https://anonhg.NetBSD.org/src/rev/7a6007b4bb8c
branches:  trunk
changeset: 537915:7a6007b4bb8c
user:      kent <kent%NetBSD.org@localhost>
date:      Tue Oct 08 12:33:34 2002 +0000

description:
If the codec is fixed-rate, ac97_set_rate() returns 48kHz.

diffstat:

 sys/dev/ic/ac97.c |  15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diffs (36 lines):

diff -r d63e085eba6b -r 7a6007b4bb8c sys/dev/ic/ac97.c
--- a/sys/dev/ic/ac97.c Tue Oct 08 12:31:45 2002 +0000
+++ b/sys/dev/ic/ac97.c Tue Oct 08 12:33:34 2002 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: ac97.c,v 1.28 2002/10/08 09:19:44 kent Exp $ */
+/*      $NetBSD: ac97.c,v 1.29 2002/10/08 12:33:34 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 1.28 2002/10/08 09:19:44 kent Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.29 2002/10/08 12:33:34 kent Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -968,6 +968,17 @@
        u_int16_t power_bit;
 
        as = (struct ac97_softc *)codec_if;
+       if (target == AC97_REG_PCM_MIC_ADC_RATE) {
+               if (!(as->ext_id & AC97_EXT_AUDIO_VRM)) {
+                       *rate = AC97_SINGLE_RATE;
+                       return 0;
+               }
+       } else {
+               if (!(as->ext_id & AC97_EXT_AUDIO_VRA)) {
+                       *rate = AC97_SINGLE_RATE;
+                       return 0;
+               }
+       }
        value = *rate * AC97_STANDARD_CLOCK / as->ac97_clock;
        ext_stat = 0;
        /*