Date: Tue, 2 Aug 2005 07:13:04 GMT From: Daisuke Orikasa <luxury-acura-3.5rl@nifty.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/84471: [sound][patch] no sound ICH4 (Analog Devices AD1981B AC97 Codec) Message-ID: <200508020713.j727D4pF059119@www.freebsd.org> Resent-Message-ID: <200508020720.j727KG9a075038@freefall.freebsd.org>
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>Number: 84471
>Category: kern
>Synopsis: [sound][patch] no sound ICH4 (Analog Devices AD1981B AC97 Codec)
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Aug 02 07:20:15 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator: Daisuke Orikasa
>Release: FreeBSD 6.0-BETA1
>Organization:
Koriyama Matsushita Electric Works,Ltd.
>Environment:
FreeBSD acura35rl.localhost 6.0-BETA1 FreeBSD 6.0-BETA1 #1: Mon Aug 1 19:48:18 JST 2005 root@acura35rl.localhost:/usr/obj/usr/src/sys/ACURA35RL i386
>Description:
The Laptop uses Intel ICH4 (82801DB) Chipset.
The sound card is recognized by the snd_ich module, and all of the
sound-producing programs work, but no sound ever comes out.
>How-To-Repeat:
Boot a 82852GM/82855GM Laptop
# kldload snd_ich
% mpg123 anything.mp3
>Fix:
--- /sys/dev/sound/pcm/ac97.c~ Sun Apr 10 23:45:27 2005
+++ /sys/dev/sound/pcm/ac97.c Mon Aug 1 19:39:45 2005
@@ -547,6 +547,8 @@
return ENODEV;
}
+ ac97_setflags(codec, AC97_F_EAPD_INV);
+
ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x800
0 : 0x0000);
ac97_reset(codec);
ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x800
0 : 0x0000);
@@ -661,6 +663,8 @@
snd_mtxunlock(codec->lock);
return ENODEV;
}
+
+ ac97_setflags(codec, AC97_F_EAPD_INV);
ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x800
0 : 0x0000);
ac97_reset(codec);
>Release-Note:
>Audit-Trail:
>Unformatted:
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