Re: Question about "control names"

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Juergen Beisert wrote:> On Friday 23 May 2008 11:36, Clemens Ladisch wrote:> > Juergen Beisert wrote:> > > I'm playing with the control names of my "snd_kcontrol_new" controls.> > > When I'm using "PCM Playback Switch" and "PCM Playback Volume" alsamixer> > > shows me a slider with a switch at its bottom. That's what I expected.> > > But when I'm using a second set ("line in" to "line out" bypass), with> > > "Line Bypass Capture Switch" and "Line Bypass Capture Volume" control> > > names, its confusing (BTW: "Line Bypass Capture Volume" is of type> > > SNDRV_CTL_ELEM_TYPE_ENUMERATED).> >> > This may be caused by the control type.  Why is the volume "enumerated"?>> Its not linear.
The only requirement for volume slider is that they are somewhatmonotonic.
An enumerated control won't be considered a volume slider.
> Its defined in dB and has some "holes" in it.
This doesn't matter; this can described, too.
What is the exact mapping?
> When I change it to SNDRV_CTL_ELEM_TYPE_INTEGER I see the slider in the> [Capture] screen, and also something at its bottom, but I can't switch> anything:>>>    │▒▒│>    │▒▒│>    └──┘>   ------>      7> <Line Byp>
The "------" indicates that this can be enabled for recording.Doesn't the space key work?

Regards,Clemens_______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel

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