kern/106104: [PATCH] Turn on inverted external amplifier sense flags for HP Compaq nx 4300

[Kobayashi Shun-ichi]

The following reply was made to PR kern/106104; it has been noted by GNATS.

From: "Kobayashi Shun-ichi" <koba at mbox.kudpc.kyoto-u.ac.jp>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/106104: [PATCH] Turn on inverted external amplifier sense flags for HP Compaq nx 4300
Date: Fri, 1 Dec 2006 11:20:07 +0900

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 >Number:	106104
 >Category:	kern
 >Synopsis:	[PATCH] Turn on inverted external amplifier sense flags for
 HP Compaq nx 4300
 >Severity:	serious
 >Priority:	medium
 >Responsible:	freebsd-bugs at FreeBSD.org
 >State:	open
 >Class:	sw-bug
 >Arrival-Date:	Fri Dec 01 01:50:14 GMT 2006
 >Closed-Date:	
 >Last-Modified:	never
 >Originator:	Shun-ichi Kobayashi
 >Release:	FreeBSD 6.2-PRERELEASE i386
 
 >Description:
 
 It is already known that some machines that uses ich(4) sound driver
 must turn on inverted external amplifier sense flag individually. See:
 Rev. 1.57 and Rev. 1.58 (I also referred an email entitled
 "kern/94056:[PATCH] ..." in freebsd-bugs ML)
 
 My machine HP Compaq nx 4300 also requires this.
 
 [machine]
 HP Compaq nx 4300
 
 [pciconf -vl]
 pcm0 at pci0:30:2: class=0x040100 card=0x309a103c chip=0x266e8086 rev=0x04 hdr=0x00
 vendor = 'Intel Corporation'
 device = '82801FB/FR/FW/FRW AC '97 Audio Controller'
 class = multimedia
 subclass = audio
 
 >How-To-Repeat:
 
 >Fix:
 I attached a simple patch file for this bug to this email.
 
 Original file is
  /usr/src/sys/dev/sound/pci/ich.c,v 1.53.2.8 2006/08/22 02:37:03
 
 Attached patch file is named as ich.c.diff (created by diff -c)
 
 Here is a copied and pasted version for your reference.
 
 *** /usr/src/sys/dev/sound/pci/ich.c.orig       Tue Nov 28 18:48:52 2006
 --- /usr/src/sys/dev/sound/pci/ich.c    Fri Dec  1 10:41:07 2006
 ***************
 *** 851,856 ****
 --- 851,857 ----
         case 0x81c0104d:        /* Sony VAIO type T */
         case 0x81c5104d:        /* Sony VAIO VGN B1VP/B1XP */
         case 0x3089103c:        /* Compaq Presario B3800 */
 +         case 0x309a103c:        /* HP Compaq nx4300 */
                 ac97_setflags(sc->codec, ac97_getflags(sc->codec) |
 AC97_F_EAPD_INV);
                 break;
         default:
 
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