Hi, I have the same problem with my laptop Toshiba Satellite L645, when
I plug headphones speakers don't mute. alsamixer shows very simple sound
card, Master, PCM, Mic and Mic-1.
The sound works, but PCM slider don't have any effect only master. I
read a lot of solutions and changes to alsa-base.conf to auto and lots
more without success. There are some outputs from CLI
aplay -l
**** Lista de PLAYBACK dispositivos hardware ****
tarjeta 0: SB [HDA ATI SB], dispositivo 0: HDA Generic [HDA Generic]
Subdispositivos: 1/1
Subdispositivo #0: subdevice #0
head -n 1 /proc/asound/card0/codec*
Codec: Conexant ID 5069
lspci | grep Audio
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
cat /proc/asound/cards
0 [SB ]: HDA-Intel - HDA ATI SB
HDA ATI SB at 0xf4300000 irq 16
cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.21
I notice that Conexant ID 5069 isn't in the list of /usr/share/doc/alsa-
base/driver/HD-Audio-Models.txt.gz and ALSA version isn't the latest.
Thanks.
PD: If you need some more informatios don't hesitate for it.
--
internal speakers do not mute if in dockingstation
https://bugs.launchpad.net/bugs/550891
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