The problem was not resolved, but I went back to 11.04
1. Description of the Problem
The speaker works. When I plugin the headphone (tried 2 types), both the speaker and the headphone mute.
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2. I found this. How can I try this on Lubuntu?
"All I needed to do was change the Profile on the Hardware tab of the Sound Setting screen from 'Analog Stereo Duplex' to 'Analog Stereo Output'." Link
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3. Already tried
(I) [HP Pavilion dv6, IDT 92HD75B3] Line out does not mute internal speakers
Didn't work.
(II) HdaIntelSoundHowto
$ cat /proc/asound/card0/codec* | grep Codec
Codec: Conexant CX20549 (Venice)
$ sudo gnome-open /usr/share/doc/alsa-base/driver/HD-Audio-Models.txt.gz
gives me a file, but for conexant, there're only Conexant 5045, Conexant 5047, Conexant 5051, Conexant 5066.
(III) [Bug 876020] Re: [8932CTO, Conexant CX20549 (Venice), Green Headphone Out, Left] No sound at all(Note: I needed rebooting.)
(i) Now when I plug in the headphone, the sound comes out of both the speaker and the headphone.
(ii) automute option in alsamixer is gone.
(iii) I cannot change the volume with Fn+F10/F11 any more.
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4. More Info
$ sudo lshw -c sound
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04)
$ sudo lshw -c sound
*-multimedia
description: Audio device
product: 82801H (ICH8 Family) HD Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=HDA Intel latency=0
resources: irq:45 memory:f0300000-f0303fff
$ sudo leafpad /usr/share/pulseaudio/alsa-mixer/paths/analog-output-speaker.conf
; Path for mixers that have a 'Speaker' control
;
; See analog-output.conf.common for an explanation on the directives
[General]
priority = 100
name = analog-output-speaker
[Element Hardware Master]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Master]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Master Front]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = front-left,front-right
[Element Master Mono]
switch = off
volume = off
; This profile path is intended to control the speaker, not the
; headphones. But it should not hurt if we leave the headphone jack
; enabled nonetheless.
[Element Headphone]
switch = mute
volume = zero
[Element Headphone2]
switch = mute
volume = zero
[Element Speaker]
required = any
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
[Element Desktop Speaker]
switch = off
volume = off
[Element Front]
switch = mute
volume = merge
override-map.1 = all-front
override-map.2 = front-left,front-right
[Element Rear]
switch = mute
volume = merge
override-map.1 = all-rear
override-map.2 = rear-left,rear-right
[Element Surround]
switch = mute
volume = merge
override-map.1 = all-rear
override-map.2 = rear-left,rear-right
[Element Side]
switch = mute
volume = merge
override-map.1 = all-side
override-map.2 = side-left,side-right
[Element Center]
switch = mute
volume = merge
override-map.1 = all-center
override-map.2 = all-center,all-center
[Element LFE]
switch = mute
volume = merge
override-map.1 = lfe
override-map.2 = lfe,lfe
.include analog-output.conf.common
