Re: [PATCH] [RFC] ASoC: Conditional PCM support

[Jaroslav Kysela <perex@xxxxxxxx>]

On 21. 08. 24 12:18, Cezary Rojewski wrote:
> Conditional PCM (condpcm) helps facilitate modern audio usecases such as
> Echo Cancellations and Noise Reduction. These are not invoked by the
> means of userspace application opening an endpoint (FrontEnd) but are a
> "side effect" of selected PCMs running simultaneously e.g.: if both
> Speaker (source) and Microphone Array (sink) are running, reference
> data from the Speaker and take it into account when processing capture
> for better voice command detection ratio.
>
> Which PCMs are needed for given conditional PCM to be spawned is
> determinated by the driver when registering the condpcm.

Perhaps the naming may be changed to "sidepcm" or "monitorpcm"/"monpcm". It 
looks better in my eyes.

					Jaroslav

--
Jaroslav Kysela <perex@xxxxxxxx>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.