[PC-BSD Testing] Intel 82801I headphones

Grégoire Welraeds gregoire.welraeds at gmail.com
Mon Apr 12 04:24:18 PDT 2010


I'm using PCBSD 8.0 and the sound is running fine through the speakers. 
Nevertheless, I can't get the headphones to work. I've read the snd_hda(4) man 
page but I still don't know what values to use for my card. 

# sysctl -a dev.hdac.0
dev.hdac.0.%desc: Intel 82801I High Definition Audio Controller
dev.hdac.0.%driver: hdac
dev.hdac.0.%location: slot=27 function=0 handle=\_SB_.PCI0.HDEF
dev.hdac.0.%pnpinfo: vendor=0x8086 device=0x293e subvendor=0x103c 
subdevice=0x30ec class=0x040300
dev.hdac.0.%parent: pci0
dev.hdac.0.polling: 0
dev.hdac.0.polling_interval: 250
dev.hdac.0.pindump: 0

# sysctl dev.hdac.0.pindump=1 
dev.hdac.0.pindump: 0 -> 0                  
# dmesg | grep hdac0
hdac0: Dumping AFG cad=0 nid=1 pins:
hdac0:  nid 17 0x0221201f as  1 seq 15    Headphones  Jack jack  1 loc  2 
color    Grey misc 0 [DISABLED]
hdac0:        Caps:    OUT HP           Sense: 0x80005700 delay 50us
hdac0:  nid 18 0x01014010 as  1 seq  0      Line-out  Jack jack  1 loc  1 
color   Green misc 0 [DISABLED]
hdac0:        Caps:    OUT HP EAPD      Sense: 0x00002900 delay 50us
hdac0:  nid 19 0x413711f0 as 15 seq  0            CD  None jack  7 loc  1 
color   Black misc 1 [DISABLED]
hdac0:        Caps:    OUT    EAPD
hdac0:  nid 20 0x02a12060 as  6 seq  0           Mic  Jack jack  1 loc  2 
color    Grey misc 0
hdac0:        Caps: IN             VREF Sense: 0x00000006 delay 80us
hdac0:  nid 21 0x91a7112e as  2 seq 14           Mic Fixed jack  7 loc 17 
color   Black misc 1
hdac0:        Caps: IN             VREF Sense: 0x00000000 delay 90us
hdac0:  nid 22 0x9217411f as  1 seq 15       Speaker Fixed jack  7 loc 18 
color   Green misc 1 [DISABLED]
hdac0:        Caps: IN OUT    EAPD      Sense: 0x0000d300 delay 50us
hdac0:  nid 23 0x41a6e130 as  3 seq  0           Mic  None jack  6 loc  1 
color   White misc 1 [DISABLED]
hdac0:        Caps: IN
hdac0:  nid 27 0x98561150 as  5 seq  0   Digital-out Fixed jack  6 loc 24 
color   Black misc 1
hdac0:        Caps:    OUT              Sense: 0x0000d300
hdac0:  nid 28 0x01813021 as  2 seq  1       Line-in  Jack jack  1 loc  1 
color    Blue misc 0
hdac0:        Caps: IN OUT         VREF Sense: 0x00001400 delay 60us
hdac0: NumGPIO=3 NumGPO=0 NumGPI=0 GPIWake=0 GPIUnsol=1
hdac0: GPIO: data=0x00000001 enable=0x00000000 direction=0x00000000
hdac0:       wake=0x00000000  unsol=0x00000000    sticky=0x00000000

Initial values for nid 17 were as 4, seq 0 and did changed them in 
/boot/devices.hint following some thread discussions I found on the web. Now 
that nid 17 is as 1 seq 15, the speakers do not work anymore and neither the 

I'm a bit lost as I don't really get how AS and SEQ options actually work. 

Any help would be greatly appreciated. 

Best regards,


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