Re: No sound/mixer with new laptops on board sound - hda_intel ALC883

[Kristoffer Janke <kj@conceptT.com>]

stan schrieb:
> Kristoffer Janke wrote:
>   
>> I have alsa-utils installed, but alsamixer does not run, instead it 
>> gives this:
>>   ALSA lib simple_none.c:1491:(simple_add1) helem (MIXER,'Headphone 
>> Playback Switch',0,2,0) appears twice or more
>>   alsamixer: function snd_mixer_load failed: Invalid argument
>>
>> So i cant modify the volumes...
>>   
>>     
> Two things.
>
> This looks like a bug in alsa lib.  You can get the latest alsa lib hg 
> snapshot at ftp://ftp.suse.com/pub/projects/alsa/snapshot/, compile it, 
> and install it.  The bug might be gone as things move very fast in 
> alsa.  If it isn't, it would be good to post this problem on alsa-devel.
>   
With the newest hg alsa-lib it still does not work, same output.
> You can edit /etc/asound.state directly.  This file resides in /etc or 
> /etc/alsa/ depending on your distro.  Here is a representative entry 
> from mine.
>
>  control.18 {
>                 comment.access 'read write'
>                 comment.type INTEGER
>                 comment.count 2
>                 comment.range '0 - 127'
>                 iface MIXER
>                 name 'PCM Playback Volume'
>                 value.0 103
>                 value.1 103
>         }
>
> What you want is to look for the same name (if you are using PCM), and 
> then set the value.0 and value.1 to be something greater than 0.  Try 
> half at first (of the range) so you won't blow anything out if it is 
> very sensitive.  This at least gets you sound, though it isn't as 
> convenient as using the mixer.  You will have to be root to edit this 
> and if you aren't familiar with unix editors (vim or emacs) you should 
> probably use something like pico.  Or Knotes or Text Editor in the gui.
>   
The problem here is, that alsactl cant save the values, too with the 
same error than alsamixer:
alsactl: set_control:1269: failed to obtain info for control #3 (No such 
file or directory)
alsactl: set_control:1269: failed to obtain info for control #4 (No such 
file or directory)
alsactl: set_control:1269: failed to obtain info for control #15 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #16 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #18 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #27 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #35 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #36 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #37 (No 
such file or directory)
alsactl: set_control:1269: failed to obtain info for control #38 (No 
such file or directory)

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