On Thu, May 20, 2021 at 09:02:49PM +0200, Jaroslav Kysela wrote:
> Dne 20. 05. 21 v 19:50 Dmitry Osipenko napsal(a):
> > Squash all machine drivers into a single-universal one. This reduces
> > code duplication, eases addition of a new drivers and upgrades older
> > code to a modern Linux kernel APIs.
> > +static struct snd_soc_card snd_soc_tegra_wm9712 = {
> > + .dai_link = &tegra_wm9712_dai,
> > + .num_links = 1,
> > + .fully_routed = true,
> > +};
> Please, could you also initialize snd_soc_card->components? It may be useful
> to pass the codec identification to the user space like:
> .components = "codec:wm9712"
Hrm, if this is important to userspace shouldn't the core be doing
something by default given that it already knows all the components
going into the card?
> The passed information should be consistent. You may look into the Intel ASoC
> drivers for the examples (card->components initialization). There are also
> hints about the number of connected microphones ("cfg-mic:2" - configuration
> with 2 microphones) or the codec purpose ("hs:rt711" - headset codec is RT711)
> etc.
This sort of stuff is more something that the card should layer on top.
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