Re: How are multiple capture sources confusing alsamixer?

[Lee Revell <rlrevell@joe-job.com>]

On Mon, 2006-01-16 at 11:51 +1030, Jonathan Woithe wrote:
> Hi all
> 
> I've noticed the following comment in a variety of drivers:
> 
>   /* The multiple "Capture Source" controls confuse alsamixer
>    * So call somewhat different..
>    * FIXME: the controls appear in the "playback" view!
>    */
>   /* .name = "Capture Source", */
> 
> I've been working on adding the second capture source to the ALC260 Fujitsu
> configuration and have not really seen any major problems with alsamixer's
> interpretation when two capture sources are declared.  What seems to happen
> for me is that each potential source gets two capture switches; one switches
> to the first capture source and the other switches to the second capture
> source.  Furthermore, all this appears to work fine.
> 
> So, in what way(s) does the presence of multiple capture sources confuse
> alsamixer and give rise to the source-code comment quoted above?

I think the only issue is that alsamixer has a flat namespace for
controls so you can't have two mixer elements called "Capture Source" in
the same driver.  But, I could be wrong.

Lee



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