Thank you Jaroslav! This is exactly what I was after.
On Tue, Mar 18, 2025 at 4:14 PM Jaroslav Kysela <perex@xxxxxxxx> wrote:
> On 18. 03. 25 14:57, Giedrius Trainavičius wrote:
> > Hello,
> >
> > I'm writing a UCM2 .conf file, depending on Device Tree options, some
> > kcontrols may or may not exist - how do I handle this in the
> BootSequence,
> > so alsactl does not error out if some controls don't exist?
> >
> > I know there's a possible If condition to check if a control exists, but
> > how do I use that to conditionally append to the BootSequence?
>
> Example (from ucm2/Intel/sof-hda-dsp/sof-hda-dsp.conf):
>
> If.amute {
> Condition {
> Type ControlExists
> Control "name='Auto-Mute Mode'"
> }
> True.BootSequence [
> cset "name='Auto-Mute Mode' off"
> ]
> }
>
> The arrays are merged, thus any additional 'BootSequence []' will be
> handed as
> extension.
>
> Jaroslav
>
> --
> Jaroslav Kysela <perex@xxxxxxxx>
> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
>
