!!Sysfs Files
!!-----------
/sys/class/sound/hwC0D2/init_pin_configs:
0x0a 0x0221101f
0x0b 0x02a11020
0x0c 0x01a19021
0x0d 0x01014010
0x0e 0x01011012
0x0f 0x01016011
0x10 0x0181302e
0x11 0x01012014
0x12 0x40f000f1
0x21 0x014510a0
0x22 0x40f000f0
/sys/class/sound/hwC0D2/driver_pin_configs:
0x0a 0x02211230
0x0b 0x02a11220
0x0c 0x01a19040
0x0d 0x01114210
0x0e 0x01111212
0x0f 0x01116211
0x10 0x01813050
0x11 0x01112214
0x12 0x403003fa
0x21 0x404003fb
0x22 0x40c003fc
Pin Default 0x01014010: [Jack] Line Out at Ext Rear
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0x0
BIOS already setup the lineout jacks correctly
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commitdiff;h=7b2ee291fbd3dbe8079c67fec6382a8ed6c275f7;hp=664389dbd59eba1af2904c4dcbb7af774e6a3324
There are a few special model option values:
+- when 'nofixup' is passed, the device-specific fixups in the codec
+ parser are skipped.
the latest alsa driver allow you to skip the pin fixup
The STAC9227/9228/9229/9230 are a family of Theater Quality 8-channel
audio CODECs that enable systems with 7.1 audio or 5.1 audio playing
simultaneously with VoIP or another stereo audio stream
if pulseaudio must need a headphone volume control, you may try remove
/* Dell 3 stack systems */
- SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01dd, "Dell Dimension E520",
STAC_DELL_3ST),
and disable the grey jack node 0x14 (lost 7.1 support) but you can use
independent HP by specify hint
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https://bugs.launchpad.net/bugs/1104565
Title:
[Regression] No sound through headphone jack since last update of
ubuntu 12.04.1LTS
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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1104565/+subscriptions
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