[Alsa-user] no sound via loudspeakers, but via headphone

[K. P. <qui...@gm...>]

alsa-info.sh:
http://www.alsa-project.org/db/?f=4a749054c500a798742695a2f49587989d2f7ecd

Hi,

I have the following problem and would need help debugging / resolving 
it - I think it should be a bug (and not a feature ;):

- The sound is working fine when I plug a headphone, but I cannot get 
the sound come through the built-in speakers of my notebook.
- The speakers do work though (as the sound works as expected 
(loudspeakers and headphone plug) under Windows).

- The sound also already had previously worked fine under Linux until 
quite some time ago.

I let some time pass, because I thought, I would probably not be the 
only one to notice and complain, but its too long now + not to have my 
speakers under Linux is quite annoying :/

Maybe its me... but I tried all the things I could think of multiple 
times (alsamixer, insmod parameters, plug unplug headphone, 
dmesg+syslog, many different applications to play sound ...).

I included the above link to my alsa-info, please let me know if you 
need anything else.

I hope someone can help me to understand why it is not working (aka 
locate the problem (userland/kernel)) and to possibly fix it (or find 
someone who can fix it ;).

Thanks a lot for any information that might lead to me getting my sound 
back :)


Knuth