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[DragonFlyBSD - Bug #2090] snd_hda does not support headphone automute

From: "Justin C. Sherrill via Redmine" <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 25 Mar 2012 10:20:41 -0700

Issue #2090 has been updated by Justin C. Sherrill.

I could not get it to automute on my machine:

uname -a

DragonFly teeny.shiningsilence.com 3.0-RELEASE DragonFly v3.0.2-RELEASE #3: Sun Mar 25 03:36:29 EDT 2012     root@teeny.shiningsilence.com:/usr/obj/usr/src/sys/NB32  i386

output from 'kldload snd_hda'

pcm0: <Intel 82801G High Definition Audio Controller> mem 0x58340000-0x58343fff irq 16 at device 27.0 on pci0
pcm0: Enabling unsolicited responses for nid 33.pcm0: <HDA Codec: Realtek (Unknown)>
pcm0: <HDA Driver Revision: 20071129_0050>

pcm0@pci0:0:27:0:       class=0x040300 card=0x022f1025 chip=0x27d88086 rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'N10/ICH 7 Family High Definition Audio Controller'
    class      = multimedia
    subclass   = HDA

Sound plays out of the computer speaker, and plays out of headphones when they are plugged in, but the speaker is unaffected by plugging/unplugging the headphones.  The 'nid' showing up at module load is different; perhaps I have a slightly different chip?

Bug #2090: snd_hda does not support headphone automute

Author: Justin C. Sherrill
Status: Feedback
Priority: Normal
Target version: 

The hda sound driver does not notice jack insert/removal events.  Even when
booted verbosely, there's no action, so attaching headphones does not mute
speaker audio.

An update to FreeBSD's sound/pci/hda expressly mentions solving this problem:


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