Re: ASoC: soc-pcm2.c ?

[Takashi Iwai <tiwai@suse.de>]

On Wed, 04 Feb 2026 13:10:41 +0100,
Mark Brown wrote:
> 
> On Wed, Feb 04, 2026 at 09:50:51AM +0100, Takashi Iwai wrote:
> 
> > Basically it should be relatively easy to implement a mechanism to
> > make kcontrols invisible, though; e.g. by introducing a new kcontrol
> > flag like SNDRV_CTL_ELEM_ACCESS_INVISIBLE, and some machine drivers or
> > codec drivers may set it up depending on the demands.
> 
> We already have some support for marking controls as not visible by
> default IIRC (I'm not immediately remembering the term that was used),
> the trick is more finding a sensible way to turn it on - with so few
> custom machine drivers these days it's much harder to enable sensibly.

IIRC, the existing mechanism isn't about visibility but accessibility
via SNDRV_CTL_ELEM_ACCESS_INACTIVE flag.
kcontrols are still exposed to user-space unless they are explicitly
removed.


thanks,

Takashi