[Resolved & Confirmed] Re: Alsa/Sound/ in 10.04 --> SOLVED

[NoOp]

On 05/04/2010 05:56 PM, NoOp wrote:
> On 05/04/2010 01:17 PM, zongo saiba wrote:
[..]
>> Type this in terminal --> $ cat /proc/asound/card0/codec#* | grep
>> Codec. If the result is as follow: Codec: Conexant CX20582 (Pebble) 
>> Codec: Intel G45 DEVCTG
>> 
>> Modify this file /etc/modprobe.d/alsa-base.conf and add this line at
>> the end: options snd-hda-intel model="olpc-xo-1_5"
>> 
>> Reboot and voila. you should be sorted with external speakers and
>> most of all with headsets and muted internal speakers when the jack
>> is in use.
>> 
>> Ubuntu v10.0.4 Alsa v1.0.23
>> 
>> Hope this help some of you guys because I know sound is just a
>> nightmare in Linux and I have been searching for a long time. I know
>> that going without external speakers or headset is not an option (was
>> not for me).
>> 
>> Kind Regards
>> 
>> zongo
> 
> Zongo, I owe you a drink of whatever it is you drink. Works for me on a
> Conexant CX20583 (Pebble)
> HP G60-530US Notebook
> 
> Thank you... thank you... thank you! I'm now listening to my playlist
> via the headphones. Unplug the headphones & notebook speakers work.
> 
> Where did you find the 'snd-hda-intel model="olpc-xo-1_5"' info? I've
> been searching everywhere & tried just about every model type that I
> came across.
> 
> Note: I did notice a side effect however; internal microphone seems to
> be no longer working. On this system I had to install
> linux-backports-modules-alsa to get the mic working properly & after
> modifying etc/modprobe.d/alsa-base.conf the internal mic is no longer
> working. Sigh... that's OK - one problem at a time :-)
> 
> 

Unfortunately this doesn't seem to work on karmic, only on lucid.
Related bug reports:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/573284
[0x1179ffe0 needs olpc-xo-1_5 model quirk for hp]
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/549289
[[Conexant CX20582 (Pebble)] Playback problem - sound from speakers when
headphones plugged in, or both in headphones and speakers]
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/477226
[Sound simultaneously on headphones and speakers - Lenovo IdeaPad u350]