Comment 4 for bug 125790

Hi

I still get no sound from the front speakers

Chris

On 7/26/07, obfuscator <email address hidden> wrote:
>
> My theory is that the different models of laptops have channels hooked
> up differently in hardware, and in this model the internal speakers are
> hooked to some normally non-used output. The setup seems pretty similar
> to the benq one, so to enable that just add
>
> options snd-hda-intel model=benq
>
> At the bottom of etc/modprobe.d/alsa-base.
>
> Then do "/etc/init.d/alsasound restart" to restart ALSA and see if you
> get any sound from the speakers.
>
> With this setup, the internal speaker volume can be adjusted with the
> "headphones" volume slider, and the headpone jack can be adjusted
> with the "Front" slider. Both mics work aswell!!
>
> My theory is that since the benq driver thinks that the headphone sink is
> actually a speaker sink, it will not amplify the signal very much, since
> it believes that the speakers have built-in aplifiers.
>
> To get decent volume, just use model=fujitsu again. With this
> configuration, you won't get any sound through the internal speakers
> though...
>
> I'll try to find a way of swapping the channels, if its possible.
>
> Attatching the ALSA-Configuration.txt, where the options for the snd-
> hda-intel module is listed.
>
> ** Attachment added: "File with list of module options"
> http://launchpadlibrarian.net/8573650/ALSA-Configuration.txt
>
> --
> no suitable alsa driver for siemens c1410 laptop
> https://bugs.launchpad.net/bugs/125790
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>