I need to add the hp_only quirk for my Dell Inspiron 8600 otherwise
master does not control headphone volume when connected.
I have 8.10 installed with the following kernel
Linux Inchoate 2.6.24-19-generic #1 SMP Wed Aug 20 22:56:21 UTC 2008 i686
GNU/Linux
[Inchoate 11:04] ~ >cat /proc/asound/cards
0 [I82801DBICH4 ]: ICH4 - Intel 82801DB-ICH4
Intel 82801DB-ICH4 with STAC9750,51 at irq 5
[Inchoate 11:07] ~ >cat /proc/asound/I82801DBICH4/codec97\#0/ac97\#0-0
0-0/0: SigmaTel STAC9750,51
PCI Subsys Vendor: 0x1028
PCI Subsys Device: 0x016a
Capabilities : -headphone out-
DAC resolution : 20-bit
ADC resolution : 20-bit
3D enhancement : SigmaTel 3D Enhancement
Current setup
Mic gain : +0dB [+0dB]
POP path : pre 3D
Sim. stereo : off
3D enhancement : off
Loudness : off
Mono output : MIX
Mic select : Mic1
ADC/DAC loopback : off
Extended ID : codec=0 rev=1 AMAP DSA=0 SPDIF VRA
Extended status : SPCV SPDIF=3/4 VRA
PCM front DAC : 48000Hz
PCM ADC : 48000Hz
SPDIF Control : Consumer PCM Category=0x2 Generation=1 Rate=48kHz
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[ALSA] Master volume control doesn't control Headphone control
https://bugs.launchpad.net/bugs/41015
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