[alsa-devel] control names

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Sep 9 14:15:36 CEST 2009

On Wed, Sep 09, 2009 at 02:11:34PM +0200, Jaroslav Kysela wrote:
> On Wed, 9 Sep 2009, Harsha, Priya wrote:

> > I am using a control name as "PCM Capture Switch". But the alsa mixer 
> > does not display the mute option for me to mute/unmute the capture path.

> > Same thing for playback works i.e, "PCM Playback Switch" displays a mute 
> > button in alsamixer for me to change....

> Did you press F4 to switch to the capture view?

Also note that alsamixer uses a different display for capture switches
in the UI - you won't see the same format button you'll see


if the switch is off or

   L    R

if it's on under the volume control.

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